Jump to a detailed profile or search site with Google Custom Search

Bridge Statistics for Boulder, Colorado (CO)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 126Number of bridges
  • 958ft / 292mTotal length
  • $10,476,000Total costs
  • 1,968,611Total average daily traffic
  • 80,310Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Boulder
  • No street view available for this location

New bridges in Boulder, CO - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 21940-1949
  • 121950-1959
  • 91960-1969
  • 231970-1979
  • 341980-1989
  • 171990-1999
  • 102000-2009
  • 152010-2019
  • 22020-2022
Reconstructed bridges in Boulder, CO - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 21960-1969
  • 41970-1979
  • 31980-1989
  • 21990-1999
  • 52000-2009
  • 22010-2019
Average Bridge Daily Traffic in Boulder, CO
Average Bridge Truck Traffic in Boulder, CO
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 1.6%Very good
  • 34.4%Good
  • 53.1%Satisfactory
  • 9.4%Fair
  • 1.6%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.9%Very good
  • 32.8%Good
  • 45.3%Satisfactory
  • 10.9%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 9.4%Very good
  • 53.1%Good
  • 34.4%Satisfactory
  • 1.6%Fair
  • 1.6%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 45.5%Very good
  • 38.6%Good
  • 14.9%Satisfactory
  • 1.0%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 1.8%Very good
  • 38.2%Good
  • 43.6%Satisfactory
  • 16.4%Fair
Find on map >>   Show street view

Structure Number: BOLD-16-0.08-1A,  Location: 0.08 Mi E of S. Broadway (Lat: 40.014214,  Lng: -105.277697),  Route carried "on" structure: City street ,  Year Built: 1988,  Status: Open,  Structure Length: 2.71m (8.89ft),  Average Daily Traffic: 15,153 (year 2021),  Truck Traffic: 2%,  Average Future Daily Traffic: 18,184 (year 2041),  Design Load: HS 20,  Features Intersected: Boulder Creek,  Facility Carried by Structure: Arapahoe Avenue
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.780,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 25.6m (84.0ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 18.5m (60.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 69.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 0.52m (1.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Bridge Improvement Cost: $564,000,  Roadway Improvement Cost: $56,000,  Total Project Cost: $620,000 ( Estimate for 2019),  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: BOLD-16-1.3-02A,  Location: 50 Ft S of Canyon Blvd (Lat: 40.013042,  Lng: -105.297906),  Route carried "on" structure: City street ,  Year Built: 1990,  Status: Open,  Structure Length: 2.84m (9.32ft),  Average Daily Traffic: 617 (year 2021),  Truck Traffic: 14%,  Average Future Daily Traffic: 740 (year 2041),  Design Load: HS 20,  Features Intersected: Boulder Creek,  Facility Carried by Structure: Arapahoe Avenue
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.039,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 63.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: BOLD-17-0.28-1A,  Location: 0.28 Mi E of Spine Road (Lat: 40.072700,  Lng: -105.197078),  Route carried "on" structure: City street ,  Year Built: 1996,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 14,389 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 17,267 (year 2041),  Design Load: HS 20,  Features Intersected: Boulder Cr. Supply Ditch,  Facility Carried by Structure: Lookout Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.015,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.2m (20.3ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 18.3m (60.0ft)

Condition: Channel: Very good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-17-0.32-2A,  Location: 0.32 Mi Eof Spine Street (Lat: 40.072697,  Lng: -105.196261),  Route carried "on" structure: City street ,  Year Built: 1996,  Status: Open,  Structure Length: 0.63m (2.07ft),  Average Daily Traffic: 14,389 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 17,267 (year 2041),  Design Load: HS 20,  Features Intersected: Whiterock Ditch,  Facility Carried by Structure: Lookout Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.073,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.3m (20.7ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 3.2m (10.5ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 23.9m (78.4ft)

Condition: Channel: Good,  Culverts: Good,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-18-0.1-01,  Location: 0.2 Mi N of Valmont Drive (Lat: 40.031381,  Lng: -105.239522),  Route carried "on" structure: City street ,  Year Built: 1988,  Status: Open,  Structure Length: 2.68m (8.79ft),  Average Daily Traffic: 1,678 (year 2021),  Truck Traffic: 12%,  Average Future Daily Traffic: 2,014 (year 2041),  Design Load: HS 20,  Features Intersected: Wonderland Creek,  Facility Carried by Structure: Kingsridge Blvd.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.552,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 5.0m (16.4ft),  Curb or Sidewalk Widths: Left: 1.3m (4.3ft),  Right: 0.0m,  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 10.3m (33.8ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-18-1.83-01,  Location: At 49th Street (Lat: 40.021814,  Lng: -105.238125),  Route carried "on" structure: City street ,  Year Built: 1986,  Status: Open,  Structure Length: 2.29m (7.51ft),  Average Daily Traffic: 12,291 (year 2021),  Truck Traffic: 8%,  Average Future Daily Traffic: 14,749 (year 2041),  Design Load: HS 20,  Features Intersected: S. Goose Creek Drainage,  Facility Carried by Structure: Pearl Parkway
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.431,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 20.8m (68.2ft),  Skew: 36 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.5m (27.9ft),  Curb or Sidewalk Widths: Left: 1.9m (6.2ft),  Right: 1.7m (5.6ft),  Curb-To-Curb Width: 20.8m (68.2ft),  Out-to-Out Width: 38.6m (126.6ft)

Condition: Channel: Good,  Culverts: Fair,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-18-2.21-02,  Location: 0.6 M E of Foothills Pkwy (Lat: 40.023497,  Lng: -105.231692),  Route carried "on" structure: City street ,  Year Built: 1986,  Status: Open,  Structure Length: 1.33m (4.36ft),  Average Daily Traffic: 12,929 (year 2021),  Truck Traffic: 8%,  Average Future Daily Traffic: 15,515 (year 2041),  Design Load: HS 20,  Features Intersected: North Goose Creek,  Facility Carried by Structure: Pearl Parkway
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.990,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 10.9m (35.8ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.3m (14.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Out-to-Out Width: 31.8m (104.3ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 70.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-19-0.01-01,  Location: 40 Ft N of Pearl Parkway (Lat: 40.022953,  Lng: -105.242375),  Route carried "on" structure: City street ,  Year Built: 1986,  Status: Open,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 4,808 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 5,770 (year 2041),  Design Load: HS 20,  Features Intersected: South Goose Creek,  Facility Carried by Structure: 47th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.022,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 2.9m (9.5ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 2.1m (6.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 16.2m (53.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: BOLD-20-0.01-01,  Location: 30 Ft N of Pearl Parkway (Lat: 40.022381,  Lng: -105.240747),  Route carried "on" structure: City street ,  Year Built: 1986,  Status: Open,  Structure Length: 1.33m (4.36ft),  Average Daily Traffic: 647 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 776 (year 2041),  Design Load: HS 20,  Features Intersected: S. Goose Creek,  Facility Carried by Structure: 48th CT
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.175,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.9m (16.1ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: BOLD-21-1.20-01,  Location: 0.25 Mi No of Baseline Rd (Lat: 40.004581,  Lng: -105.239694),  Route carried "on" structure: City street ,  Year Built: 1996,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,508 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 1,810 (year 2041),  Design Load: HS 20,  Features Intersected: Bear Crk and Bike Path,  Facility Carried by Structure: Mohawk Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.411,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft),  Curb or Sidewalk Widths: Left: 1.4m (4.6ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 17.8m (58.4ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: BOLD-22-0.44-01,  Location: 300 Ft. E of 36th St. (Lat: 39.991608,  Lng: -105.250058),  Route carried "on" structure: City street ,  Year Built: 1995,  Status: Open,  Structure Length: 1.00m (3.28ft),  Average Daily Traffic: 938 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,126 (year 2040),  Design Load: HS 20,  Features Intersected: Bear Crk and Bike Path,  Facility Carried by Structure: Martin Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.024,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 1.9m (6.2ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 14.9m (48.9ft)

Condition: Channel: Very good,  Culverts: Fair,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-33-STERDR,  Location: 100 Ft E of 47th Street (Lat: 40.027253,  Lng: -105.243794),  Route carried "on" structure: City street ,  Year Built: 1975,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 1,558 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 1,870 (year 2041),  Design Load: HS 20,  Features Intersected: Left Hand Ditch,  Facility Carried by Structure: Sterling Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.039,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 2.9m (9.5ft),  Curb or Sidewalk Widths: Left: 2.1m (6.9ft),  Right: 2.1m (6.9ft),  Out-to-Out Width: 16.7m (54.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-34-PEARLPW,  Location: 500 Ft W of Foothills Pky (Lat: 40.023244,  Lng: -105.249753),  Route carried "on" structure: City street ,  Year Built: 1981,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 22,050 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 26,460 (year 2041),  Design Load: HS 20,  Features Intersected: Left Hand Ditch,  Facility Carried by Structure: Pearl Parkway
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.345,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 16.6m (54.5ft),  Skew: 32 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.9m (12.8ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 4.1m (13.5ft),  Out-to-Out Width: 30.9m (101.4ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-35-AURORAA,  Location: 15 Ft. W of 6th Street (Lat: 40.003639,  Lng: -105.286892),  Route carried "on" structure: City street ,  Year Built: 1980,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 296 (year 2021),  Truck Traffic: 5%,  Average Future Daily Traffic: 355 (year 2041),  Features Intersected: Gregory Creek,  Facility Carried by Structure: Aurora Avenue
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.201,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb or Sidewalk Widths: Left: 1.3m (4.3ft),  Right: 1.3m (4.3ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 14.6m (47.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-36-TABMSAD,  Location: Harvard Ln & SB Table (Lat: 39.985028,  Lng: -105.250722),  Route carried "on" structure: City street ,  Year Built: 1980,  Status: Open,  Structure Length: 0.75m (2.46ft),  Average Daily Traffic: 8,569 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 10,283 (year 2041),  Features Intersected: Bear Creek,  Facility Carried by Structure: SB Table Mesa Dr.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.345,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.6m (11.8ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 1.4m (4.6ft),  Curb-To-Curb Width: 23.9m (78.4ft),  Out-to-Out Width: 24.5m (80.4ft)

Condition: Channel: Good,  Culverts: Fair,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-37-COLOAVE,  Location: At 38th Street (Lat: 40.007261,  Lng: -105.245069),  Route carried "on" structure: City street ,  Year Built: 1979,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 6,977 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 8,372 (year 2041),  Features Intersected: Skunk Creek,  Facility Carried by Structure: Colorado Avenue
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.640,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 20.9m (68.6ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.5m (14.8ft),  Curb or Sidewalk Widths: Left: 3.3m (10.8ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 31.9m (104.7ft),  Out-to-Out Width: 32.6m (107.0ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-38-GLENWDR,  Location: 400 Ft W of State Hwy 36 (Lat: 40.032728,  Lng: -105.260328),  Route carried "on" structure: City street ,  Year Built: 1972,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 5,213 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 6,256 (year 2041),  Design Load: HS 20,  Features Intersected: Two Mile Creek,  Facility Carried by Structure: Glenwood Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.240,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 20.2m (66.3ft),  Out-to-Out Width: 20.6m (67.6ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-39-27THST,  Location: 50 ft N of Mapleton Ave (Lat: 40.027558,  Lng: -105.261889),  Route carried "on" structure: City street ,  Year Built: 2001,  Status: Open,  Structure Length: 2.08m (6.82ft),  Average Daily Traffic: 147 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 176 (year 2041),  Design Load: HS 20,  Features Intersected: Goose Creek,  Facility Carried by Structure: 27th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.3m (63.3ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.3m (4.3ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Very good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: BOLD-39-N63RD-A,  Location: 0.4 MI N of SH7 (Lat: 40.019875,  Lng: -105.206631),  Route carried "on" structure: City street ,  Year Built: 2015,  Status: Open,  Structure Length: 1.39m (4.56ft),  Average Daily Traffic: 4,334 (year 2021),  Truck Traffic: 25%,  Average Future Daily Traffic: 5,201 (year 2041),  Design Load: HL 93,  Features Intersected: Leggett Ditch,  Facility Carried by Structure: N. 63rd St (CR39)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.583,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.5m (14.8ft),  Curb or Sidewalk Widths: Left: 2.0m (6.6ft),  Right: 0.0m,  Curb-To-Curb Width: 10.5m (34.4ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 61.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 48.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: Febuary 2021,  Underwater Inspection Date: October 2020
Find on map >>   Show street view

Structure Number: BOLD-40-IRISAVE,  Location: 0.15 Mi W of US36/28th St (Lat: 40.036339,  Lng: -105.261458),  Route carried "on" structure: City street ,  Year Built: 2005,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 27,466 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 32,959 (year 2041),  Design Load: HL 93,  Features Intersected: Elmers Two Mile Ditch,  Facility Carried by Structure: Iris Ave
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.743,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 18.9m (62.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 3.2m (10.5ft),  Curb-To-Curb Width: 16.6m (54.5ft),  Out-to-Out Width: 25.3m (83.0ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 96.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 81.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-41-IRISAVE,  Location: Iris Ave and 34th St. (Lat: 40.036481,  Lng: -105.248947),  Route carried "on" structure: City street ,  Year Built: 2017,  Status: Open,  Structure Length: 1.47m (4.82ft),  Average Daily Traffic: 2,874 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 3,449 (year 2041),  Design Load: HL 93,  Features Intersected: Wonderland Creek,  Facility Carried by Structure: Iris Avenue/34 St
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.610,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 5 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.1m (23.3ft),  Curb or Sidewalk Widths: Left: 3.0m (9.8ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 16.3m (53.5ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 47.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 36.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-42-JUNCTPL,  Location: 0.1 mi N of Pearl Pkwy (Lat: 40.025183,  Lng: -105.251114),  Route carried "on" structure: City street ,  Year Built: 2017,  Status: Open,  Structure Length: 2.42m (7.94ft),  Average Daily Traffic: 1,262 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,514 (year 2041),  Design Load: HL 93,  Features Intersected: Goose Creek,  Facility Carried by Structure: Junction Pl
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.327,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 5 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Single/Spread,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.7m (71.2ft),  Curb or Sidewalk Widths: Left: 4.0m (13.1ft),  Right: 4.0m (13.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 16.6m (54.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: BOLD-43-SPRGCRK,  Location: 570 ft from 34th St. (Lat: 40.035622,  Lng: -105.246850),  Route carried "on" structure: City street ,  Year Built: 2017,  Status: Open,  Structure Length: 2.26m (7.41ft),  Average Daily Traffic: 100 (year 2017),  Average Future Daily Traffic: 100 (year 2037),  Features Intersected: Wonderland Creek,  Facility Carried by Structure: Spring Creek Place
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 6.3m (20.7ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 56.1 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 43.4 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-44-WNDGTRL,  Location: 300 ft W of 28th (Lat: 40.043522,  Lng: -105.259767),  Route carried "on" structure: City street ,  Year Built: 2018,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 920 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 1,104 (year 2041),  Features Intersected: Wonderland Creek,  Facility Carried by Structure: Winding Trail Dr
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.280,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.1m (23.3ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.0m (16.4ft),  Curb or Sidewalk Widths: Left: 1.4m (4.6ft),  Right: 3.8m (12.5ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 18.9m (62.0ft)

Condition: Channel: Very good,  Culverts: Satisfactory,  Operating Rating: 48.9 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: BOLD-46-34THST,  Location: 40 ft S. of Iris Ave (Lat: 40.036303,  Lng: -105.248944),  Route carried "on" structure: City street ,  Year Built: 2018,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 1,839 (year 2021),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,207 (year 2041),  Features Intersected: Wonderland Creek,  Facility Carried by Structure: 34th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.344,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb or Sidewalk Widths: Left: 1.2m (3.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 12.9m (42.3ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-47-GLPNDR,  Location: 350 ft S of Evans Dr (Lat: 40.000564,  Lng: -105.243525),  Route carried "on" structure: City street ,  Year Built: 1997,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 425 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 510 (year 2040),  Features Intersected: Bear Canyon Creek,  Facility Carried by Structure: Gilpin Drive
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.378,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.2m (20.3ft),  Curb or Sidewalk Widths: Left: 1.7m (5.6ft),  Right: 2.6m (8.5ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 13.4m (44.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-48-VALMONT,  Location: 400 ft W of 28th (Lat: 40.029039,  Lng: -105.259847),  Route carried "on" structure: City street ,  Year Built: 2010,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 13,951 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 16,741 (year 2041),  Design Load: H 10,  Features Intersected: Elmers Twomile Creek,  Facility Carried by Structure: Valmont Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.518,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 17.5m (57.4ft),  Skew: 20 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb or Sidewalk Widths: Left: 2.5m (8.2ft),  Right: 2.2m (7.2ft),  Curb-To-Curb Width: 17.5m (57.4ft),  Out-to-Out Width: 29.2m (95.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-49-48THST,  Location: Just N. of Pearl St (Lat: 40.025486,  Lng: -105.241761),  Route carried "on" structure: City street ,  Year Built: 1980,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 796 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 955 (year 2041),  Features Intersected: Goose Creek,  Facility Carried by Structure: 48th Street
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.201,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 4.6m (15.1ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Channel: Very good,  Culverts: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-50-BASELN,  Location: 300 ft E of Meadow Dr (Lat: 39.999992,  Lng: -105.245150),  Route carried "on" structure: City street ,  Year Built: 1980,  Status: Open,  Structure Length: 1.23m (4.04ft),  Average Daily Traffic: 20,271 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 24,325 (year 2041),  Features Intersected: Bear Canyon Creek,  Facility Carried by Structure: Baseline Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.098,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 23.8m (78.1ft),  Skew: 35 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.9m (19.4ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 23.8m (78.1ft),  Out-to-Out Width: 33.9m (111.2ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
Find on map >>   Show street view

Structure Number: BOLD-51-MONROE,  Location: 0.1 Mi S of Colorado Ave. (Lat: 40.006889,  Lng: -105.242972),  Route carried "on" structure: City street ,  Year Built: 2020,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 1,297 (year 2016),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,256 (year 2036),  Design Load: HS 20,  Features Intersected: EMPSON DITCH,  Facility Carried by Structure: MONROE DRIVE
Minimum Vertical Clearance: 30.48m (100.00ft),  Kilometerpoint: 0.362,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.5m (27.9ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 3.0m (9.8ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: BOLD-52-EISEN,  Location: 0.5 MI S OF ARAPAHOE AVE (Lat: 40.007203,  Lng: -105.234886),  Route carried "on" structure: City street ,  Year Built: 1972,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 1,297 (year 2016),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,256 (year 2036),  Design Load: H 20,  Features Intersected: EMPSON DITCH,  Facility Carried by Structure: EISENHOWER DRIVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.044,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb or Sidewalk Widths: Left: 5.5m (18.0ft),  Right: 5.6m (18.4ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 19.4m (63.6ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: BOLD-54-IRIS1,  Location: 0.2 MI East of 30th St (Lat: 40.036567,  Lng: -105.250364),  Route carried "on" structure: City street ,  Year Built: 2020,  Status: Open,  Structure Length: 1.32m (4.33ft),  Average Daily Traffic: 500 (year 2018),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,000 (year 2038),  Design Load: HL 93,  Features Intersected: WONDERLAND CREEK,  Facility Carried by Structure: IRIS AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.557,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 6 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 6.0m (19.7ft),  Curb or Sidewalk Widths: Left: 3.7m (12.1ft),  Right: 1.2m (3.9ft),  Out-to-Out Width: 25.7m (84.3ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 57.0 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 43.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: BOLD-BRDWAY-4MI,  Location: At Rosewood Avenue (Lat: 40.056081,  Lng: -105.282019),  Route carried "on" structure: City street ,  Year Built: 1994,  Status: Open,  Structure Length: 0.62m (2.03ft),  Average Daily Traffic: 16,770 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 20,124 (year 2041),  Design Load: HS 20,  Features Intersected: Four Mile Creek,  Facility Carried by Structure: Broadway
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.497,  Lanes on structure: 3,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.2m (20.3ft),  Curb or Sidewalk Widths: Left: 2.5m (8.2ft),  Right: 2.8m (9.2ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 19.9m (65.3ft)

Condition: Channel: Very good,  Culverts: Satisfactory,  Operating Rating: 36.3 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
Find on map >>   Show street view

Structure Number: D-15-A,  Location: IN LYONS (Lat: 40.222569,  Lng: -105.271597),  Route carried "on" structure: State highway 7A,  Year Built: 1955,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 2,600 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 3,146 (year 2040),  Design Load: HS 20,  Features Intersected: NORTH ST VRAIN CREEK,  Facility Carried by Structure: SH 7 ML
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 53.564,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 0.5m (1.6ft),  Right: 1.2m (3.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 78.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: D-15-AP,  Location: 28th STREET IN BOULDER (Lat: 40.010983,  Lng: -105.258286),  Route carried "on" structure: ServiceUS 36B,  Year Built: 1952,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 2.94m (9.65ft),  Average Daily Traffic: 36,000 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 39,960 (year 2040),  Design Load: H 15,  Features Intersected: BOULDER CREEK SR,  Facility Carried by Structure: US 36 FR RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.148,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 0.0m,  Curb-To-Curb Width: 10.7m (35.1ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 39.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
Find on map >>   Show street view

Structure Number: D-15-AQ,  Location: ARAPAHOE Ave IN BOULDER (Lat: 40.014458,  Lng: -105.245392),  Route carried "on" structure: State highway 7C,  Year Built: 1938,  Status: Open,  Structure Length: 3.13m (10.27ft),  Average Daily Traffic: 15,000 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 16,950 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: SH 7 ML WBND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.127,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 14 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 14.9m (48.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 34.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.17m (10.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $3,122,000,  Roadway Improvement Cost: $312,000,  Total Project Cost: $3,434,000 ( Estimate for 2017),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
Find on map >>   Show street view

Structure Number: D-15-AR,  Location: 28th STREET IN BOULDER (Lat: 40.011039,  Lng: -105.258528),  Route carried "on" structure: US 36B,  Year Built: 1952,  Year Reconstructed: 2005,  Status: Open,  Structure Length: 2.94m (9.65ft),  Average Daily Traffic: 18,000 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 19,980 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: US 36 ML WBND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 59.324,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Very good,  Operating Rating: 70.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 42.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
Find on map >>   Show street view

Structure Number: D-15-AV,  Location: ARAPAHOE AVENUE (Lat: 40.014592,  Lng: -105.245092),  Route carried "on" structure: State highway 7C,  Year Built: 1966,  Year Reconstructed: 1986,  Status: Open,  Structure Length: 4.72m (15.49ft),  Average Daily Traffic: 15,000 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 16,950 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: SH 7 ML EBND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.152,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.9m (39.0ft),  Skew: 14 degrees,  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.4m (37.4ft),  Out-to-Out Width: 13.6m (44.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 45.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.72m (15.49ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Bridge Improvement Cost: $844,000,  Roadway Improvement Cost: $84,000,  Total Project Cost: $928,000 ( Estimate for 2019),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Preformed Fabric
Find on map >>   Show street view

Structure Number: D-15-AX,  Location: IN BOULDER (Lat: 40.011072,  Lng: -105.258689),  Route carried "on" structure: US 36B,  Year Built: 1960,  Status: Open,  Structure Length: 2.94m (9.65ft),  Average Daily Traffic: 18,000 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 19,980 (year 2040),  Design Load: HS 20,  Features Intersected: BOULDER CREEK,  Facility Carried by Structure: US 36 ML EBND
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 59.322,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 10.9m (35.8ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 25.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.94m (9.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $512,000,  Roadway Improvement Cost: $51,000,  Total Project Cost: $563,000 ( Estimate for 2019),  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
Find on map >>   Show street view

Structure Number: D-15-AZ,  Location: IN BOULDER (Lat: 40.000528,  Lng: -105.258642),  Route carried "on" structure: US 36B,  Year Built: 1963,  Year Reconstructed: 1977,  Status: Open,  Structure Length: 5.45m (17.88ft),  Average Daily Traffic: 16,500 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 18,150 (year 2040),  Design Load: HS 20,  Features Intersected: US 36 SPUR/BASELINE RD,  Facility Carried by Structure: EBND US 36 ML
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 60.494,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Skew: 13 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 29.2m (95.8ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Operating Rating: 49.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Superior to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
Find on map >>   Show street view

Structure Number: D-15-B,  Location: 28th ST in BOULDER (Lat: 40.046594,  Lng: -105.258603),  Route carried "on" structure: US 36B,  Year Built: 1957,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 2.83m (9.28ft),  Average Daily Traffic: 16,000 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 18,240 (year 2040),  Design Load: HS 20,  Features Intersected: FOUR MILE CANYON CREEK,  Facility Carried by Structure: US 36 ML
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 55.381,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 38.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
Discuss Boulder, Colorado (CO) on our hugely popular Colorado forum.


City-data.com does not guarantee the accuracy or timeliness of any information on this site.  Use at your own risk.
Some parts © 2024 Advameg, Inc.