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Bridge Statistics for Emerson, Iowa (IA)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 25Number of bridges
  • 308ft / 94.3mTotal length
  • 16,155Total average daily traffic
  • 2,795Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Emerson
  • No street view available for this location

New bridges in Emerson, IA - historical statistics
  • New bridges - historical statistics
  • 21930-1939
  • 21940-1949
  • 41950-1959
  • 61960-1969
  • 31970-1979
  • 61990-1999
  • 22010-2019
Reconstructed bridges in Emerson, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11970-1979
  • 11980-1989
  • 01990-1999
  • 12000-2009
Average Bridge Daily Traffic in Emerson, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 4.8%Excellent
  • 4.8%Very good
  • 19.0%Good
  • 38.1%Satisfactory
  • 23.8%Fair
  • 4.8%Serious
  • 4.8%Failed
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 4.8%Excellent
  • 14.3%Very good
  • 14.3%Good
  • 19.0%Satisfactory
  • 38.1%Fair
  • 4.8%Poor
  • 4.8%Failed
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 4.8%Excellent
  • 4.8%Very good
  • 23.8%Good
  • 19.0%Satisfactory
  • 9.5%Fair
  • 19.0%Poor
  • 9.5%Serious
  • 4.8%Critical
  • 4.8%Failed
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 10.0%Very good
  • 10.0%Good
  • 30.0%Satisfactory
  • 15.0%Fair
  • 35.0%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Satisfactory
  • 50.0%Fair
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Structure Number: 3595,  Location: 0.7 MI. E of W JCT SR H34 (Lat: 41.030661,  Lng: -95.447431),  Route carried "on" structure: US 34,  Year Built: 1964,  Status: Open,  Structure Length: 5.30m (17.39ft),  Average Daily Traffic: 3,870 (year 2020),  Truck Traffic: 21%,  Average Future Daily Traffic: 3,870 (year 2041),  Design Load: HS 20,  Features Intersected: DOUGLAS CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 38.404,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 61.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 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: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 35971,  Location: 1.1 MI. S of Jct. U.S. 34 (Lat: 41.016019,  Lng: -95.396689),  Route carried "on" structure: US 59,  Year Built: 1992,  Status: Open,  Structure Length: 17.89m (58.69ft),  Average Daily Traffic: 1,340 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 1,340 (year 2040),  Design Load: HS 20,  Features Intersected: BNSF RR,ROAD & CK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 48.713,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 32.6m (107.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 69.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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: 3598,  Location: AT JCT. US 34 (Lat: 41.030303,  Lng: -95.403561),  Route carried "on" structure: US 59,  Year Built: 1964,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 970 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 970 (year 2041),  Design Load: HS 20,  Features Intersected: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.435,  Lanes on structure: 2,  Lanes under structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 79.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 3751,  Location: 3.1 MI. E OF US 59 (Lat: 41.030833,  Lng: -95.342297),  Route carried "on" structure: US 34,  Year Built: 1964,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 3,630 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 3,630 (year 2040),  Design Load: HS 20,  Features Intersected: CRABAPPLE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.249,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 54.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.6 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: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 24467,  Location: 071401001 (Lat: 40.973953,  Lng: -95.440703),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2016),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: DEER CREEK,  Facility Carried by Structure: LCL-NOYES AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.188,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 5.7m (18.7ft),  Out-to-Out Width: 6.3m (20.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 19.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 245591,  Location: 072401102 (Lat: 41.053942,  Lng: -95.422878),  Route carried "on" structure: County highway ,  Year Built: 1940,  Year Reconstructed: 1976,  Status: Posted for load,  Structure Length: 2.47m (8.10ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2041),  Design Load: HS 20,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: LCL-400TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.927,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 5.7m (18.7ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Poor,  Channel: Poor,  Operating Rating: 13.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 8.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Critical Feature Inspection Date: March 2021,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 2456,  Location: 072401501 (Lat: 41.045350,  Lng: -95.433881),  Route carried "on" structure: County highway ,  Year Built: 1954,  Status: Posted for load,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 5 (year 2016),  Average Future Daily Traffic: 5 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: LCL-INGRAHAM AV
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.646,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 4.7m (15.4ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Poor,  Operating Rating: 16.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 9.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 2.30m (7.55ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Critical Feature Inspection Date: March 2021,  Bridge Improvement Cost: $125,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 245611,  Location: 072401502 (Lat: 41.041639,  Lng: -95.441722),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 90 (year 2016),  Truck Traffic: 9%,  Average Future Daily Traffic: 90 (year 2041),  Features Intersected: DOUGLAS CREEK,  Facility Carried by Structure: FM-390TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.558,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.4m (21.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 44.4 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: March 2021
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Structure Number: 245641,  Location: 072402107 (Lat: 41.021500,  Lng: -95.446961),  Route carried "on" structure: County highway ,  Year Built: 1993,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 350 (year 2016),  Truck Traffic: 8%,  Average Future Daily Traffic: 350 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE,  Facility Carried by Structure: FA-JAMISON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.197,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Poor,  Culverts: Fair,  Operating Rating: 44.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021
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Structure Number: 24566,  Location: 072402204 (Lat: 41.019519,  Lng: -95.441803),  Route carried "on" structure: County highway ,  Year Built: 1936,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 90 (year 2016),  Average Future Daily Traffic: 90 (year 2041),  Design Load: HS 20,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: FM-390TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.102,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 46.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: 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: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 245681,  Location: 072402405 (Lat: 41.023669,  Lng: -95.387281),  Route carried "on" structure: County highway ,  Year Built: 1940,  Status: Posted for load,  Structure Length: 3.08m (10.10ft),  Average Daily Traffic: 15 (year 2016),  Average Future Daily Traffic: 15 (year 2041),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: LCL-JARRED AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.993,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 5.8m (19.0ft),  Out-to-Out Width: 5.8m (19.0ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Critical,  Channel: Poor,  Operating Rating: 9.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 6.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 13.00m (42.65ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Critical Feature Inspection Date: March 2021,  Other Special Inspection Date: April 2020,  Bridge Improvement Cost: $190,000,  Roadway Improvement Cost: $40,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 245691,  Location: 072402409 (Lat: 41.017006,  Lng: -95.396753),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 4.30m (14.11ft),  Average Daily Traffic: 430 (year 2016),  Average Future Daily Traffic: 430 (year 2039),  Design Load: HS 20,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: FA-JAMISON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.654,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.9m (52.2ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 67.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  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 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24573,  Location: 072402602 (Lat: 41.014281,  Lng: -95.422667),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Posted for load,  Structure Length: 2.65m (8.69ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2041),  Design Load: HS 20,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: LCL-400TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.522,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 5.6m (18.4ft),  Out-to-Out Width: 5.7m (18.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Poor,  Operating Rating: 21.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 15.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 11.00m (36.09ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $160,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 24574,  Location: 072402604 (Lat: 41.012586,  Lng: -95.405781),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2041),  Design Load: H 15,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: LCL-410TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.869,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Poor,  Operating Rating: 53.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.2 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 24579,  Location: 072403606 (Lat: 40.999892,  Lng: -95.402878),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2041),  Design Load: HS 20,  Features Intersected: LOCAL CREEK,  Facility Carried by Structure: LCL-410TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.397,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.5m (24.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Poor,  Operating Rating: 44.4 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: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Other
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Structure Number: 25482,  Location: 071390401 (Lat: 40.987314,  Lng: -95.346328),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Closed,  Structure Length: 3.63m (11.91ft),  Average Daily Traffic: 10 (year 2016),  Average Future Daily Traffic: 10 (year 2037),  Features Intersected: WALNUT CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 4.22m (13.85ft),  Kilometerpoint: 3.278,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 1,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 5.4m (17.7ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Satisfactory,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 15.00m (49.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2017,  Bridge Improvement Cost: $386,000,  Roadway Improvement Cost: $39,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 254851,  Location: 071390801 (Lat: 40.973964,  Lng: -95.359619),  Route carried "on" structure: County highway ,  Year Built: 2019,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 15 (year 2016),  Average Future Daily Traffic: 15 (year 2041),  Design Load: HL 93,  Features Intersected: WALNUT CREEK,  Facility Carried by Structure: 230TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.118,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.0m (68.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable 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: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 255751,  Location: 072390801 (Lat: 41.059800,  Lng: -95.363694),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2039),  Design Load: HS 20,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.769,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 65.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 15.50m (50.85ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 25585,  Location: 072391804 (Lat: 41.044611,  Lng: -95.366383),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 20 (year 2016),  Average Future Daily Traffic: 20 (year 2041),  Design Load: H 15,  Features Intersected: INDIAN CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.510,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 37.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 15.60m (51.18ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 255861,  Location: 072392006 (Lat: 41.018192,  Lng: -95.366039),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Posted for load,  Structure Length: 4.85m (15.91ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2041),  Features Intersected: BNSF RR,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.573,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 8,  Length of Maximum Span: 12.2m (40.0ft),  Curb-To-Curb Width: 6.2m (20.3ft),  Out-to-Out Width: 6.5m (21.3ft)

Condition: Deck: Serious,  Superstructure: Fair,  Substructure: Serious,  Operating Rating: 11.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 7.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 16.00m (52.49ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $422,000,  Roadway Improvement Cost: $42,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 255911,  Location: 072392804 (Lat: 41.010942,  Lng: -95.337028),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 7.22m (23.69ft),  Average Daily Traffic: 250 (year 2016),  Average Future Daily Traffic: 250 (year 2041),  Design Load: HL 93,  Features Intersected: BNSF RR,  Facility Carried by Structure: M37 BOXELDER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.786,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.0m (91.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  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: 255921,  Location: 072392903 (Lat: 41.016303,  Lng: -95.349847),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 430 (year 2016),  Average Future Daily Traffic: 430 (year 2039),  Design Load: HS 20,  Features Intersected: CRABAPPLE CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.963,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 63.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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,  Length Of Structure Improvement: 14.20m (46.59ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 255931,  Location: 072393301 (Lat: 41.001728,  Lng: -95.340475),  Route carried "on" structure: County highway ,  Year Built: 1930,  Year Reconstructed: 1993,  Status: Posted for load,  Structure Length: 3.60m (11.81ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: MINOR DRAINAGE,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.708,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Fair,  Operating Rating: 10.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 14.80m (48.56ft),  Designated Inspection Frequency: Every 12 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $333,000,  Roadway Improvement Cost: $33,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 35971,  Location: 1.1 MI. S of Jct. U.S. 34 (Lat: 41.016019,  Lng: -95.396689),  Route carried "under" structure: County highway ,  Year Built: 1992,  Structure Length: 0. m,  Average Daily Traffic: 440 (year 2016),  Features Intersected: BNSF RR,ROAD & CK,  Facility Carried by Structure: US 59
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.603,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.6m (107.0ft)

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Structure Number: 3598,  Location: AT JCT. US 34 (Lat: 41.030303,  Lng: -95.403561),  Route carried "under" structure: US 34,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 3,870 (year 2020),  Truck Traffic: 21%,  Features Intersected: US 34,  Facility Carried by Structure: US 59
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.089,  Lanes on structure: 2,  Lanes under structure: 3,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.7m (81.0ft)

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