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Bridge Statistics for Independence, Oregon (OR)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 295ft / 89.5mTotal length
  • $11,953,000Total costs
  • 28,163Total average daily traffic
  • 1,397Total average daily truck traffic
  • 33,769Total future (year 2025) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Independence
  • No street view available for this location

New bridges in Independence, OR - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 21960-1969
  • 21970-1979
  • 21980-1989
  • 31990-1999
Average Bridge Daily Traffic in Independence, OR
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 66.7%Good
  • 33.3%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 44.4%Good
  • 55.6%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 11.1%Good
  • 55.6%Satisfactory
  • 33.3%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 18.2%Good
  • 63.6%Satisfactory
  • 18.2%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Satisfactory
  • 50.0%Fair
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Structure Number: 491A043 00186,  Location: In Independence (Lat: 44.851189,  Lng: -123.194783),  Route carried "on" structure: State highway 51,  Year Built: 1950,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 7,522 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 8,500 (year 2040),  Design Load: HS 20,  Features Intersected: South Fork Ash Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.993,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.2m (26.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 80.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 55.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 4599A193 00618,  Location: INDEPENDENCE (Lat: 44.853544,  Lng: -123.184578),  Route carried "on" structure: State highway 51,  Year Built: 1981,  Status: Open,  Structure Length: 3.72m (12.20ft),  Average Daily Traffic: 7,202 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 8,200 (year 2040),  Design Load: HS 20,  Features Intersected: Ash Creek
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.946,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 14.0m (45.9ft),  Out-to-Out Width: 15.8m (51.8ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 67.7 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: 52.2 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: 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: June 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 5789A0053,  Location: S.RIVER RD/WILLAMETTE R (Lat: 44.845611,  Lng: -123.179950),  Route carried "on" structure: County highway A0560,  Year Built: 1951,  Year Reconstructed: 1985,  Status: Posted for load,  Structure Length: 67.97m (223.00ft),  Average Daily Traffic: 6,536 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 7,286 (year 2025),  Design Load: HS 20,  Features Intersected: WILLAMETTE R/RIVER RD S,  Facility Carried by Structure: COUNTY RD 53
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.177,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Navigation Control: Yes ( Vertical Clearance: 16.8m (55.1ft), Horizontal Clearance: 42.7m (140.1ft)),  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 9,  Number Of Approach Spans: 28,  Length of Maximum Span: 46.3m (151.9ft),  Curb or Sidewalk Widths: Left: 1.1m (3.6ft),  Right: 1.1m (3.6ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 20.1 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: 15.6 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: High priority of corrective action,  Deck Geometry: High priority of corrective action,  Underclear: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 67.50m (221.46ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 36 months,  Inspection Date: March 2021,  Critical Feature Inspection Date: March 2021,  Underwater Inspection Date: July 2020,  Bridge Improvement Cost: $7,096,000,  Roadway Improvement Cost: $710,000,  Total Project Cost: $11,353,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete
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Structure Number: 18479,  Location: 001 FROM CITY SEWAGE LAGN (Lat: 44.856361,  Lng: -123.189631),  Route carried "on" structure: City street ,  Year Built: 1998,  Status: Open,  Structure Length: 4.06m (13.32ft),  Average Daily Traffic: 663 (year 2020),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,126 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: NORTH FORK ASH CREEK,  Facility Carried by Structure: ASH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 39.3m (128.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 11.1m (36.4ft),  Out-to-Out Width: 14.8m (48.6ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Fair,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 68.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to 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: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 23887,  Location: Hanna Road (Lat: 44.868097,  Lng: -123.181519),  Route carried "on" structure: County highway ,  Year Built: 1993,  Status: Open,  Structure Length: 1.68m (5.51ft),  Average Daily Traffic: 248 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 338 (year 2040),  Design Load: HL 93,  Features Intersected: Drainage Ditch,  Facility Carried by Structure: Hanna Road
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 2.6m (8.5ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 68.0 metric tons,  Method Used To Determine Operating Rating: No rating analysis performed,  Inventory Rating: 40.8 metric tons,  Method Used To Determine Inventory Rating: No rating analysis performed,  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: August 2020
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Structure Number: 47C75 906,  Location: 02.0SE OF INDEPENDENCE BR (Lat: 44.836019,  Lng: -123.139069),  Route carried "on" structure: County highway A0573,  Year Built: 1971,  Status: Open,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 1,093 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 1,213 (year 2025),  Design Load: H 20,  Features Intersected: OVERFLOW CHANNEL,  Facility Carried by Structure: RIVERSIDE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.830,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 2 degrees,  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 5.5m (18.0ft),  Curb or Sidewalk Widths: Left: 0.2m (0.7ft),  Right: 0.2m (0.7ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 68.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 50.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53B001,  Location: 003 MI N OF STATE HWY 51 (Lat: 44.855189,  Lng: -123.206100),  Route carried "on" structure: City street ,  Year Built: 1983,  Status: Open,  Structure Length: 1.71m (5.61ft),  Average Daily Traffic: 2,247 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,278 (year 2040),  Design Load: HS 20,  Features Intersected: NORTH FORK ASH CREEK,  Facility Carried by Structure: GUN CLUB ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.322,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.3m (4.3ft),  Curb-To-Curb Width: 7.7m (25.3ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 68.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Waterway Adequacy: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.70m (5.58ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Bridge Improvement Cost: $179,000,  Roadway Improvement Cost: $18,000,  Total Project Cost: $287,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53B003,  Location: 001 MI N OF MTN FIR LBR (Lat: 44.848450,  Lng: -123.195169),  Route carried "on" structure: City street ,  Year Built: 1968,  Status: Posted for load,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 572 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 874 (year 2041),  Design Load: HS 20,  Features Intersected: SOUTH FORK ASH CREEK,  Facility Carried by Structure: F STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.000,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.5m (27.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.5m (1.6ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 9.7m (31.8ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 7.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 0.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 1.90m (6.23ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: August 2021,  Bridge Improvement Cost: $195,000,  Roadway Improvement Cost: $20,000,  Total Project Cost: $313,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53C030001800179,  Location: 006 N STATE HWY 51 (Lat: 44.903731,  Lng: -123.177461),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 1.49m (4.89ft),  Average Daily Traffic: 428 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 600 (year 2040),  Design Load: HS 20,  Features Intersected: OAK POINT CREEK,  Facility Carried by Structure: GREENWOOD ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.881,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 6.9m (22.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 20.7 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: 15.9 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: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53C03100170001,  Location: 001 E MARKET ROAD 9 (Lat: 44.830489,  Lng: -123.182119),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 1,404 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 2,016 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL CREEK,  Facility Carried by Structure: BUENA VISTA RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 53C096,  Location: 02 E OF STATE HWY 51 (Lat: 44.887200,  Lng: -123.177600),  Route carried "on" structure: County highway ,  Year Built: 1993,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 248 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 338 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: HAYDEN SLOUGH-WILL R O/F,  Facility Carried by Structure: HALLS FERRY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.354,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft),  Curb-To-Curb Width: 8.4m (27.6ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 89.7 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: 69.0 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020
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