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


  • National Bridge Inventory (NBI) Statistics
  • 27Number of bridges
  • 384ft / 117mTotal length
  • 98,400Total average daily traffic
  • 30,652Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Dows
  • No street view available for this location

New bridges in Dows, IA - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 11950-1959
  • 31960-1969
  • 161970-1979
  • 11980-1989
  • 11990-1999
  • 12000-2009
  • 32010-2019
Average Bridge Daily Traffic in Dows, IA
Average Bridge Truck Traffic in Dows, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 5.9%Very good
  • 35.3%Good
  • 29.4%Satisfactory
  • 23.5%Fair
  • 5.9%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 11.8%Very good
  • 52.9%Good
  • 23.5%Satisfactory
  • 11.8%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 11.8%Very good
  • 47.1%Good
  • 29.4%Satisfactory
  • 5.9%Fair
  • 5.9%Serious
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 11.8%Very good
  • 47.1%Good
  • 35.3%Satisfactory
  • 5.9%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 50.0%Very good
  • 33.3%Good
  • 16.7%Poor
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Structure Number: 15722,  Location: 091221902 (Lat: 42.674289,  Lng: -93.499178),  Route carried "on" structure: County highway ,  Year Built: 1959,  Status: Open,  Structure Length: 5.91m (19.39ft),  Average Daily Traffic: 320 (year 2021),  Truck Traffic: 35%,  Average Future Daily Traffic: 320 (year 2041),  Design Load: H 15,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.873,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 51.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 20.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 19.40m (63.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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: 15723,  Location: 091222001 (Lat: 42.688161,  Lng: -93.473439),  Route carried "on" structure: County highway ,  Year Built: 1936,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 20 (year 2021),  Truck Traffic: 40%,  Average Future Daily Traffic: 20 (year 2040),  Design Load: H 15,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 110TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.099,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Channel: Poor,  Culverts: Poor,  Operating Rating: 23.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 17.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 3.70m (12.14ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $20,000
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Structure Number: 15726,  Location: 091222901 (Lat: 42.673686,  Lng: -93.476931),  Route carried "on" structure: County highway ,  Year Built: 1961,  Year Reconstructed: 2011,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 570 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 570 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM 100TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.028,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.1m (43.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 51.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $175,000,  Roadway Improvement Cost: $75,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 15727,  Location: 091222902 (Lat: 42.665764,  Lng: -93.478483),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 45 (year 2021),  Average Future Daily Traffic: 45 (year 2040),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH #32,  Facility Carried by Structure: BALSAM AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.118,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 46.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $305,000,  Roadway Improvement Cost: $35,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 157281,  Location: 0.5 miles east of S13 (Lat: 42.667758,  Lng: -93.491847),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 7.41m (24.31ft),  Average Daily Traffic: 570 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 570 (year 2041),  Design Load: HL 93,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: C 47 (95TH ST)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.676,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.8m (81.4ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Inventory Rating: 42.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable 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 48 months,  Inspection Date: June 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: 157291,  Location: 091223103 (Lat: 42.653683,  Lng: -93.488261),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 580 (year 2021),  Truck Traffic: 24%,  Average Future Daily Traffic: 580 (year 2041),  Design Load: H 20,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: FM S13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.798,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 77.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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: 24.30m (79.72ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2021,  Underwater Inspection Date: September 2017,  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: 35656,  Location: 090230203 (Lat: 42.633803,  Lng: -93.537272),  Route carried "on" structure: County highway ,  Year Built: 1963,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 70 (year 2015),  Average Future Daily Traffic: 70 (year 2041),  Design Load: H 15,  Features Intersected: DRAINAGE DITCH 7,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.124,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  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: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 31.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  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: 0.1 - 9.9% below),  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $108,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 356591,  Location: 090231103 (Lat: 42.623003,  Lng: -93.536386),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 10 (year 2015),  Average Future Daily Traffic: 10 (year 2039),  Design Load: HL 93,  Features Intersected: DRAINAGE DITCH #7,  Facility Carried by Structure: 295TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.389,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 5.2m (17.1ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 43.7 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2019
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Structure Number: 356601,  Location: 090231206 (Lat: 42.620444,  Lng: -93.514408),  Route carried "on" structure: County highway ,  Year Built: 2002,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 390 (year 2019),  Truck Traffic: 15%,  Average Future Daily Traffic: 390 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.297,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 1.00m (3.28ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 356611,  Location: 090231309 (Lat: 42.608517,  Lng: -93.502172),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 45 (year 2015),  Average Future Daily Traffic: 45 (year 2040),  Design Load: H 20,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.862,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 77.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 24.60m (80.71ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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: 356621,  Location: 090232305 (Lat: 42.593981,  Lng: -93.519578),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 1.55m (5.09ft),  Average Daily Traffic: 35 (year 2015),  Average Future Daily Traffic: 35 (year 2040),  Design Load: H 20,  Features Intersected: DD #29,  Facility Carried by Structure: YANKEE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.831,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 8.6m (28.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 69.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.0 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 minimum criteria,  Length Of Structure Improvement: 5.10m (16.73ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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: 356641,  Location: 090232404 (Lat: 42.597350,  Lng: -93.509364),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 40 (year 2015),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HL 93,  Features Intersected: DD #29,  Facility Carried by Structure: YOUNGBLOOD AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.390,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020
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Structure Number: 357361,  Location: 091232402 (Lat: 42.682603,  Lng: -93.517231),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 7.50m (24.61ft),  Average Daily Traffic: 20 (year 2015),  Average Future Daily Traffic: 20 (year 2040),  Design Load: HS 20,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.043,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 83.6 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 desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 24.60m (80.71ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 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: 362595,  Location: 091221702 (Lat: 42.692956,  Lng: -93.478631),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 35 (year 2013),  Average Future Daily Traffic: 35 (year 2040),  Design Load: HS 20,  Features Intersected: DD#32,  Facility Carried by Structure: BALSAM AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.137,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: 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: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Bridge Improvement Cost: $100,000,  Roadway Improvement Cost: $25,000
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Structure Number: 60236,  Location: 2.9 mi. S of C47 (Lat: 42.635767,  Lng: -93.479539),  Route carried "on" structure: Interstate 35,  Year Built: 1974,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 6,850 (year 2020),  Truck Traffic: 32%,  Average Future Daily Traffic: 6,850 (year 2041),  Design Load: HS 20,  Features Intersected: ABAND RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 252.638,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 61.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 42.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60237,  Location: 2.9 MI. S OF SR C47 (Lat: 42.636436,  Lng: -93.479581),  Route carried "on" structure: Interstate 35,  Year Built: 1974,  Status: Open,  Structure Length: 5.49m (18.01ft),  Average Daily Traffic: 6,850 (year 2020),  Truck Traffic: 32%,  Average Future Daily Traffic: 6,850 (year 2041),  Design Load: HS 20,  Features Intersected: ABAND RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 98.976,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.8m (65.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 61.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 41.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 602425,  Location: 5.2 mi. N of Jct. SR C70 (Lat: 42.630189,  Lng: -93.483342),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 9.57m (31.40ft),  Average Daily Traffic: 400 (year 2021),  Truck Traffic: 25%,  Average Future Daily Traffic: 400 (year 2040),  Design Load: H 20,  Features Intersected: I-35,  Facility Carried by Structure: CO S-13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.414,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 43.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.9 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than 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
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Structure Number: 602435,  Location: 7.3 mi. N of Jct. SR C70 (Lat: 42.651933,  Lng: -93.470764),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 9.91m (32.51ft),  Average Daily Traffic: 90 (year 2013),  Average Future Daily Traffic: 90 (year 2041),  Design Load: H 20,  Features Intersected: I-35,  Facility Carried by Structure: 85TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.465,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.7m (104.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 45.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.0 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 602445,  Location: 0.3 MI S OF SR C47 (Lat: 42.669781,  Lng: -93.458217),  Route carried "on" structure: Interstate 35,  Year Built: 1974,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 12,700 (year 2020),  Truck Traffic: 31%,  Average Future Daily Traffic: 12,700 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH NO.48
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 256.801,  Lanes on structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 20 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: Satisfactory,  Culverts: Good,  Operating Rating: 38.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: 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: November 2020
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Structure Number: 602455,  Location: AT JCT. I-35 & SR C47 (Lat: 42.673658,  Lng: -93.456417),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 9.91m (32.51ft),  Average Daily Traffic: 1,180 (year 2021),  Truck Traffic: 22%,  Average Future Daily Traffic: 1,180 (year 2040),  Design Load: HS 20,  Features Intersected: I-35,  Facility Carried by Structure: C 47
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.710,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 31.7m (104.0ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.8m (35.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 49.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  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: Low Slump Concrete
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Structure Number: 602605,  Location: 3.3 mi. N of Jct. SR R75 (Lat: 42.608517,  Lng: -93.506553),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Open,  Structure Length: 11.92m (39.11ft),  Average Daily Traffic: 80 (year 2015),  Average Future Daily Traffic: 80 (year 2040),  Design Load: H 20,  Features Intersected: I-35,  Facility Carried by Structure: 305TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.503,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 38.1m (125.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 42.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.2 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,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum 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
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Structure Number: 60261,  Location: 4.0 mi. N of SR C-70 (Lat: 42.610536,  Lng: -93.503206),  Route carried "on" structure: Interstate 35,  Year Built: 1974,  Status: Open,  Structure Length: 8.96m (29.40ft),  Average Daily Traffic: 6,850 (year 2020),  Truck Traffic: 32%,  Average Future Daily Traffic: 6,850 (year 2042),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 249.197,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.6m (97.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 77.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.7 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: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 60262,  Location: 4.0 mi. N of SR C 70 (Lat: 42.611319,  Lng: -93.502803),  Route carried "on" structure: Interstate 35,  Year Built: 1974,  Status: Open,  Structure Length: 8.96m (29.40ft),  Average Daily Traffic: 6,850 (year 2020),  Truck Traffic: 32%,  Average Future Daily Traffic: 6,850 (year 2042),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 102.386,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 29.6m (97.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 75.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 27.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable 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: 602425,  Location: 5.2 mi. N of Jct. SR C70 (Lat: 42.630189,  Lng: -93.483342),  Route carried "under" structure: Interstate 35,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 13,700 (year 2020),  Truck Traffic: 32%,  Features Intersected: I-35,  Facility Carried by Structure: CO S-13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 251.972,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.5m (100.1ft)

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Structure Number: 602435,  Location: 7.3 mi. N of Jct. SR C70 (Lat: 42.651933,  Lng: -93.470764),  Route carried "under" structure: Interstate 35,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 13,700 (year 2020),  Truck Traffic: 32%,  Features Intersected: I-35,  Facility Carried by Structure: 85TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 254.597,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 31.7m (104.0ft)

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Structure Number: 602455,  Location: AT JCT. I-35 & SR C47 (Lat: 42.673658,  Lng: -93.456417),  Route carried "under" structure: Interstate 35,  Year Built: 1972,  Structure Length: 0. m,  Average Daily Traffic: 12,700 (year 2020),  Truck Traffic: 31%,  Features Intersected: I-35,  Facility Carried by Structure: C 47
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 257.271,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 31.7m (104.0ft)

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Structure Number: 602605,  Location: 3.3 mi. N of Jct. SR R75 (Lat: 42.608517,  Lng: -93.506553),  Route carried "under" structure: Interstate 35,  Year Built: 1974,  Structure Length: 0. m,  Average Daily Traffic: 13,700 (year 2020),  Truck Traffic: 32%,  Features Intersected: I-35,  Facility Carried by Structure: 305TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 248.893,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 38.1m (125.0ft)

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