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


  • National Bridge Inventory (NBI) Statistics
  • 22Number of bridges
  • 325ft / 99.0mTotal length
  • 14,635Total average daily traffic
  • 2,608Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Villisca
  • No street view available for this location

New bridges in Villisca, IA - historical statistics
  • New bridges - historical statistics
  • 11910-1919
  • 11920-1929
  • 11930-1939
  • 11950-1959
  • 61960-1969
  • 51970-1979
  • 21980-1989
  • 11990-1999
  • 42010-2019
Reconstructed bridges in Villisca, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 01970-1979
  • 01980-1989
  • 01990-1999
  • 12000-2009
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 11.1%Very good
  • 22.2%Good
  • 16.7%Satisfactory
  • 27.8%Fair
  • 5.6%Poor
  • 16.7%Serious
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 11.1%Very good
  • 22.2%Good
  • 27.8%Satisfactory
  • 16.7%Fair
  • 22.2%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 16.7%Very good
  • 11.1%Good
  • 16.7%Satisfactory
  • 33.3%Fair
  • 5.6%Poor
  • 16.7%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 35.3%Very good
  • 17.6%Good
  • 23.5%Satisfactory
  • 23.5%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 33.3%Excellent
  • 33.3%Very good
  • 33.3%Satisfactory
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Structure Number: 1152,  Location: 071362601 (Lat: 40.929583,  Lng: -94.964542),  Route carried "on" structure: City street ,  Year Built: 1939,  Year Reconstructed: 1948,  Status: Posted for load,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 440 (year 2016),  Average Future Daily Traffic: 440 (year 2040),  Design Load: H 15,  Features Intersected: MIDDLE NODAWAY,  Facility Carried by Structure: THIRD ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.310,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Poor,  Channel: Fair,  Operating Rating: 18.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.8 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: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 27.20m (89.24ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Bridge Improvement Cost: $740,000,  Roadway Improvement Cost: $74,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 11525,  Location: 071362702 (Lat: 40.927108,  Lng: -94.985489),  Route carried "on" structure: City street ,  Year Built: 1929,  Status: Posted for load,  Structure Length: 5.73m (18.80ft),  Average Daily Traffic: 1,260 (year 2016),  Average Future Daily Traffic: 1,260 (year 2041),  Design Load: H 15,  Features Intersected: BNSF RR,  Facility Carried by Structure: OLD US 71
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.513,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 2 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.4m (27.6ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Serious,  Operating Rating: 12.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 5.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 22.60m (74.15ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $610,000,  Roadway Improvement Cost: $61,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 3757,  Location: 0.3 MI. W OF JCT. US 71 (Lat: 40.979625,  Lng: -94.991103),  Route carried "on" structure: US 34,  Year Built: 1964,  Status: Open,  Structure Length: 8.35m (27.40ft),  Average Daily Traffic: 1,195 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,195 (year 2041),  Design Load: HS 20,  Features Intersected: WEST NODAWAY RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 78.021,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.0m (105.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 41.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.9 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 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: Low Slump Concrete
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Structure Number: 37573,  Location: 0.3 MI. W OF JCT. US 71 (Lat: 40.979733,  Lng: -94.990067),  Route carried "on" structure: US 34,  Year Built: 1970,  Status: Open,  Structure Length: 8.38m (27.49ft),  Average Daily Traffic: 1,195 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,195 (year 2041),  Design Load: HS 20,  Features Intersected: WEST NODAWAY RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 354.489,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.0m (105.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 48.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than 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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 37575,  Location: AT JCT. OF US 34 (Lat: 40.978567,  Lng: -94.985322),  Route carried "on" structure: US 71,  Year Built: 1971,  Status: Open,  Structure Length: 9.27m (30.41ft),  Average Daily Traffic: 1,840 (year 2020),  Truck Traffic: 16%,  Average Future Daily Traffic: 1,840 (year 2041),  Design Load: HS 20,  Features Intersected: US 34
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.501,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 29.6m (97.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 82.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 3758,  Location: 3.0 MI. E JCT. US 71 (Lat: 40.980281,  Lng: -94.940219),  Route carried "on" structure: US 34,  Year Built: 1964,  Status: Open,  Structure Length: 9.33m (30.61ft),  Average Daily Traffic: 2,020 (year 2020),  Truck Traffic: 28%,  Average Future Daily Traffic: 2,020 (year 2041),  Design Load: HS 20,  Features Intersected: MIDDLE NODAWAY RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 82.332,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Girder and Floorbeam System,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.7m (117.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 47.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.1 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Critical Feature Inspection Date: June 2021,  Other Special Inspection Date: May 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 37601,  Location: 2.2 MI. S OF SR H-46 (Lat: 40.908989,  Lng: -94.986036),  Route carried "on" structure: US 71,  Year Built: 1972,  Status: Open,  Structure Length: 7.96m (26.12ft),  Average Daily Traffic: 1,880 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,880 (year 2041),  Design Load: HS 20,  Features Intersected: MIDDLE NODAWAY RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.743,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 47.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present desirable criteria,  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: Low Slump Concrete
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Structure Number: 37621,  Location: 0.9 MI. South OF SR N-46 (Lat: 40.927661,  Lng: -94.987711),  Route carried "on" structure: US 71,  Year Built: 1972,  Status: Open,  Structure Length: 8.66m (28.41ft),  Average Daily Traffic: 1,490 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 1,490 (year 2042),  Design Load: HS 20,  Features Intersected: BNSF RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 41.830,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 70.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Underclear: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 254162,  Location: 071360406 (Lat: 40.977317,  Lng: -95.004381),  Route carried "on" structure: County highway ,  Year Built: 2011,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 40 (year 2016),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HS 20,  Features Intersected: TRIB W NODAWAY RIVER,  Facility Carried by Structure: SR N18 (T AVE)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.324,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2020
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Structure Number: 25419,  Location: 071361206 (Lat: 40.969025,  Lng: -94.937650),  Route carried "on" structure: County highway ,  Year Built: 1961,  Year Reconstructed: 2014,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 25 (year 2041),  Design Load: H 15,  Features Intersected: NODAWAY TRIB,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.034,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Very good,  Channel: Good,  Operating Rating: 33.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 5.10m (16.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $110,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 2542,  Location: 071361405 (Lat: 40.955000,  Lng: -94.961481),  Route carried "on" structure: County highway ,  Year Built: 1952,  Status: Posted for load,  Structure Length: 4.33m (14.21ft),  Average Daily Traffic: 100 (year 2016),  Average Future Daily Traffic: 100 (year 2040),  Features Intersected: M NODAWAY RIVER,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 4.27m (14.01ft),  Kilometerpoint: 1.213,  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: 1,  Length of Maximum Span: 42.7m (140.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.0m (16.4ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 25.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  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: 10.0 - 19.9% below),  Length Of Structure Improvement: 17.60m (57.74ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  Critical Feature Inspection Date: July 2020,  Bridge Improvement Cost: $380,000,  Roadway Improvement Cost: $38,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 25421,  Location: 071361804 (Lat: 40.956342,  Lng: -95.038128),  Route carried "on" structure: County highway ,  Year Built: 1913,  Status: Posted for load,  Structure Length: 4.15m (13.62ft),  Average Daily Traffic: 15 (year 2016),  Average Future Daily Traffic: 15 (year 2041),  Features Intersected: BNSF RR,  Facility Carried by Structure: REDWOOD AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.547,  Lanes on structure: 2,  Owner: Railroad,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 6,  Length of Maximum Span: 10.4m (34.1ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.3m (17.4ft)

Condition: Deck: Serious,  Superstructure: Poor,  Substructure: Serious,  Operating Rating: 26.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: High priority of corrective action,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 17.60m (57.74ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $380,000,  Roadway Improvement Cost: $38,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 254231,  Location: 071362102 (Lat: 40.943633,  Lng: -95.004475),  Route carried "on" structure: County highway ,  Year Built: 2010,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 80 (year 2016),  Average Future Daily Traffic: 80 (year 2041),  Design Load: HS 20,  Features Intersected: TRIBUTARY TO NODAWAY,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.583,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 46.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.8 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 254251,  Location: 071362104 (Lat: 40.933250,  Lng: -95.004519),  Route carried "on" structure: County highway ,  Year Built: 1993,  Status: Open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HS 20,  Features Intersected: NODAWAY RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.423,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.4m (21.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.5m (18.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 48.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2020,  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: 254331,  Location: 071362803 (Lat: 40.922497,  Lng: -94.995436),  Route carried "on" structure: County highway ,  Year Built: 2017,  Status: Open,  Structure Length: 8.90m (29.20ft),  Average Daily Traffic: 300 (year 2016),  Truck Traffic: 20%,  Average Future Daily Traffic: 300 (year 2040),  Design Load: HL 93,  Features Intersected: WEST NODAWAY,  Facility Carried by Structure: H54 265TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.514,  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: 41.8m (137.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  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 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: 25436,  Location: 071363302 (Lat: 40.915144,  Lng: -95.004656),  Route carried "on" structure: County highway ,  Year Built: 1961,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 120 (year 2016),  Average Future Daily Traffic: 120 (year 2041),  Design Load: H 15,  Features Intersected: DRAINAGE,  Facility Carried by Structure: T AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.622,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 4.4 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: Equal to 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: 4.40m (14.44ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $93,000,  Roadway Improvement Cost: $9,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 25452,  Location: 071372504 (Lat: 40.918078,  Lng: -95.061003),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2040),  Design Load: H 20,  Features Intersected: EAST TARKIO CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.910,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 49.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 10.30m (33.79ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2020,  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: 267521,  Location: 070360502 (Lat: 40.898914,  Lng: -95.023778),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Posted for load,  Structure Length: 3.17m (10.40ft),  Average Daily Traffic: 20 (year 2016),  Average Future Daily Traffic: 20 (year 2040),  Design Load: H 15,  Features Intersected: STREAM,  Facility Carried by Structure: S AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.406,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 13.00m (42.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Bridge Improvement Cost: $260,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 267541,  Location: 070360503 (Lat: 40.897044,  Lng: -95.021631),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 50 (year 2039),  Design Load: HL 93,  Features Intersected: STREAM,  Facility Carried by Structure: J14 102ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.712,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Excellent,  Operating Rating: 82.9 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: 63.8 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: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2019
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Structure Number: 26755,  Location: 070360504 (Lat: 40.895506,  Lng: -95.016772),  Route carried "on" structure: County highway ,  Year Built: 1961,  Status: Posted for load,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 45 (year 2016),  Average Future Daily Traffic: 45 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: SYCAMORE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.488,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 5.7m (18.7ft),  Out-to-Out Width: 6.2m (20.3ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Channel: Fair,  Operating Rating: 26.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 15.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: November 2020,  Critical Feature Inspection Date: June 2021,  Bridge Improvement Cost: $250,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 36295,  Location: 070361102 (Lat: 40.880928,  Lng: -94.966581),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 20 (year 2016),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: V AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 29.398,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2020
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Structure Number: 37575,  Location: AT JCT. OF US 34 (Lat: 40.978567,  Lng: -94.985322),  Route carried "under" structure: US 34,  Year Built: 1971,  Structure Length: 0. m,  Average Daily Traffic: 2,390 (year 2020),  Truck Traffic: 20%,  Features Intersected: US 34,  Facility Carried by Structure: US 71
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 78.505,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 29.6m (97.1ft)

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