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


  • National Bridge Inventory (NBI) Statistics
  • 28Number of bridges
  • 230ft / 69.7mTotal length
  • 32,900Total average daily traffic
  • 4,833Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Colo
  • No street view available for this location

New bridges in Colo, IA - historical statistics
  • New bridges - historical statistics
  • 21900-1909
  • 11920-1929
  • 51930-1939
  • 21950-1959
  • 81960-1969
  • 21970-1979
  • 21980-1989
  • 21990-1999
  • 22000-2009
  • 22010-2019
Reconstructed bridges in Colo, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 11950-1959
  • 51960-1969
  • 21970-1979
  • 01980-1989
  • 21990-1999
Average Bridge Daily Traffic in Colo, IA
Average Bridge Truck Traffic in Colo, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 11.8%Very good
  • 23.5%Good
  • 52.9%Satisfactory
  • 11.8%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 5.9%Very good
  • 23.5%Good
  • 47.1%Satisfactory
  • 11.8%Fair
  • 11.8%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 17.6%Very good
  • 23.5%Good
  • 29.4%Satisfactory
  • 17.6%Fair
  • 5.9%Poor
  • 5.9%Imminent failure
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 4.2%Excellent
  • 12.5%Very good
  • 29.2%Good
  • 41.7%Satisfactory
  • 12.5%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 11.1%Very good
  • 33.3%Good
  • 33.3%Satisfactory
  • 22.2%Fair
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Structure Number: 4883,  Location: 3.4 MI. W OF JCT. 65 (Lat: 42.007492,  Lng: -93.376008),  Route carried "on" structure: US 30,  Year Built: 1963,  Status: Open,  Structure Length: 9.33m (30.61ft),  Average Daily Traffic: 4,250 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 4,250 (year 2041),  Design Load: HS 20,  Features Intersected: EAST INDIAN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 258.502,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  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: 9.0m (29.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 41.5 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: High priority of corrective action,  Waterway Adequacy: Better than 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 23 months,  Inspection Date: August 2021,  Critical Feature Inspection Date: August 2021,  Other Special Inspection Date: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 4884,  Location: 2.1 MILES W OF JCT US 65 (Lat: 42.008275,  Lng: -93.350000),  Route carried "on" structure: US 30,  Year Built: 1963,  Year Reconstructed: 2002,  Status: Open,  Structure Length: 6.83m (22.41ft),  Average Daily Traffic: 8,500 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 8,500 (year 2042),  Design Load: HS 20,  Features Intersected: DYE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 260.657,  Lanes on structure: 4,  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: 3,  Length of Maximum Span: 4.9m (16.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 44.0 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: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2022
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Structure Number: 4887,  Location: AT JUNCTION WITH US 30 (Lat: 42.007392,  Lng: -93.309372),  Route carried "on" structure: US 65,  Year Built: 1963,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 6.92m (22.70ft),  Average Daily Traffic: 1,880 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 1,880 (year 2041),  Design Load: HS 20,  Features Intersected: US 30
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 181.045,  Lanes on structure: 2,  Lanes under structure: 5,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 22.3m (73.2ft),  Curb-To-Curb Width: 9.2m (30.2ft),  Out-to-Out Width: 10.2m (33.5ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.6 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: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 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: 48901,  Location: 1.8 MI. N OF US 30 (Lat: 42.034275,  Lng: -93.309486),  Route carried "on" structure: US 65,  Year Built: 1979,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 1,900 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,900 (year 2041),  Design Load: HS 20,  Features Intersected: DYE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 184.030,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 3 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: 45.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 35.3 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021
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Structure Number: 48906,  Location: 2.9 MILES N OF JCT US 30 (Lat: 42.050086,  Lng: -93.309603),  Route carried "on" structure: US 65,  Year Built: 1987,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 1,900 (year 2020),  Truck Traffic: 20%,  Average Future Daily Traffic: 1,900 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 185.786,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 38.9 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: 30.1 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021
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Structure Number: 49441,  Location: 083210701 (Lat: 42.022522,  Lng: -93.330589),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 1,050 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 1,050 (year 2040),  Design Load: HS 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: E41 LINCOLN HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.211,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 73.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 4945,  Location: 1.0 MILE N OF JCT US 30 (Lat: 42.022478,  Lng: -93.309594),  Route carried "on" structure: City street ,  Year Built: 1938,  Year Reconstructed: 1976,  Status: Open,  Structure Length: 3.02m (9.91ft),  Average Daily Traffic: 380 (year 2019),  Average Future Daily Traffic: 380 (year 2041),  Design Load: HS 20,  Features Intersected: US 65,  Facility Carried by Structure: LINCOLN HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.582,  Lanes on structure: 2,  Lanes under 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: 11.3m (37.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 43.1 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: Better than present minimum criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Galvanized Reinforcing
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Structure Number: 314381,  Location: 083210502 (Lat: 42.025242,  Lng: -93.328919),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 45 (year 2019),  Average Future Daily Traffic: 45 (year 2040),  Design Load: HS 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 690TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.777,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 45.4 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020
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Structure Number: 3144,  Location: 083211802 (Lat: 42.001853,  Lng: -93.347569),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 320 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 320 (year 2040),  Design Load: HS 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 680TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.405,  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: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Good,  Culverts: Fair,  Operating Rating: 45.4 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020
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Structure Number: 31441,  Location: 083211802 (Lat: 42.005994,  Lng: -93.347514),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 320 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 320 (year 2040),  Design Load: HS 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 680TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.865,  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: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 45.4 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020
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Structure Number: 314415,  Location: 083211902 (Lat: 41.985939,  Lng: -93.347597),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 100 (year 2019),  Truck Traffic: 29%,  Average Future Daily Traffic: 100 (year 2040),  Features Intersected: HICKORY GROVE LAKE,  Facility Carried by Structure: 680TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.638,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.9m (16.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 34.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $107,000,  Roadway Improvement Cost: $21,000
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Structure Number: 31444,  Location: 083212402 (Lat: 41.991283,  Lng: -93.251194),  Route carried "on" structure: County highway ,  Year Built: 1931,  Year Reconstructed: 1954,  Status: Posted for load,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 40 (year 2019),  Average Future Daily Traffic: 40 (year 2040),  Features Intersected: CLEAR CREEK,  Facility Carried by Structure: 730TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.270,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 26.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 15.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $88,000,  Roadway Improvement Cost: $13,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 314491,  Location: 083213501 (Lat: 41.964450,  Lng: -93.267486),  Route carried "on" structure: County highway ,  Year Built: 1951,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 1.46m (4.79ft),  Average Daily Traffic: 20 (year 2019),  Average Future Daily Traffic: 20 (year 2040),  Features Intersected: DRAINAGE DITCH 2,  Facility Carried by Structure: 270TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.258,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Fair,  Channel: Fair,  Operating Rating: 17.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 7.10m (23.29ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $114,000,  Roadway Improvement Cost: $17,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 3145,  Location: 083220201 (Lat: 42.034297,  Lng: -93.374319),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 35 (year 2019),  Average Future Daily Traffic: 35 (year 2041),  Features Intersected: EAST BR INDIAN CREEK,  Facility Carried by Structure: 220TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.596,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 5.8m (19.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 19.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 8.5 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 11.20m (36.75ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Critical Feature Inspection Date: January 2021,  Bridge Improvement Cost: $183,000,  Roadway Improvement Cost: $27,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 31454,  Location: 083221204 (Lat: 42.012769,  Lng: -93.352414),  Route carried "on" structure: County highway ,  Year Built: 1900,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 25 (year 2019),  Average Future Daily Traffic: 25 (year 2041),  Features Intersected: DYE CREEK,  Facility Carried by Structure: 680TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 16.948,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 28.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 19.7 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: Equal to present minimum criteria,  Approach Roadway Alignment: High priority of replacement,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 8.60m (28.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $21,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 31456,  Location: 083221303 (Lat: 41.997958,  Lng: -93.355503),  Route carried "on" structure: County highway ,  Year Built: 1939,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 15 (year 2019),  Average Future Daily Traffic: 15 (year 2040),  Features Intersected: DYE CREEK,  Facility Carried by Structure: 248TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.653,  Lanes on structure: 1,  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: 2,  Number Of Approach Spans: 1,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 22.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 15.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 10.80m (35.43ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $176,000,  Roadway Improvement Cost: $26,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 31457,  Location: 083221403 (Lat: 42.000878,  Lng: -93.372297),  Route carried "on" structure: County highway ,  Year Built: 1936,  Year Reconstructed: 1975,  Status: Closed,  Structure Length: 2.96m (9.71ft),  Average Daily Traffic: 40 (year 2019),  Average Future Daily Traffic: 40 (year 2040),  Features Intersected: EAST BR INDIAN CREEK,  Facility Carried by Structure: 248TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.142,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 5.9m (19.4ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Imminent failure,  Channel: Satisfactory,  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: > 39.9% below),  Length Of Structure Improvement: 12.70m (41.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $207,000,  Roadway Improvement Cost: $31,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 314581,  Location: 083221408 (Lat: 41.996247,  Lng: -93.367636),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 2.44m (8.01ft),  Average Daily Traffic: 70 (year 2019),  Average Future Daily Traffic: 70 (year 2040),  Design Load: H 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 248TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.333,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 35.7 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: High priority of corrective action,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 314611,  Location: W of INT w/ 670th Ave (Lat: 41.993694,  Lng: -93.369153),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 4.44m (14.57ft),  Average Daily Traffic: 80 (year 2019),  Average Future Daily Traffic: 80 (year 2040),  Design Load: HS 20,  Features Intersected: EAST INDIAN CREEK,  Facility Carried by Structure: 250TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.434,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 16.7m (54.8ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 75.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.2 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: Superior to present desirable 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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 31462,  Location: 083222402 (Lat: 41.992567,  Lng: -93.367119),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 110 (year 2019),  Average Future Daily Traffic: 110 (year 2040),  Design Load: H 20,  Features Intersected: HICKORY GROVE LAKE OUTLE,  Facility Carried by Structure: 670TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.910,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 46.3 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: 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: Monolithic Concrete
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Structure Number: 315031,  Location: 084212001 (Lat: 42.077975,  Lng: -93.317953),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 670 (year 2019),  Truck Traffic: 11%,  Average Future Daily Traffic: 670 (year 2040),  Design Load: HS 20,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 190TH ST/E29
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.172,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: Fair,  Operating Rating: 45.4 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020
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Structure Number: 31506,  Location: 084212901 (Lat: 42.063408,  Lng: -93.315931),  Route carried "on" structure: County highway ,  Year Built: 1950,  Year Reconstructed: 1974,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 40 (year 2019),  Average Future Daily Traffic: 40 (year 2040),  Features Intersected: DYE CREEK,  Facility Carried by Structure: 200TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.135,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 7.4m (24.3ft),  Out-to-Out Width: 7.4m (24.3ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 33.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 23.5 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: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 4.60m (15.09ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Bridge Improvement Cost: $75,000,  Roadway Improvement Cost: $11,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 315071,  Location: 0.15 mi E. of US Hwy 65 (Lat: 42.048789,  Lng: -93.306800),  Route carried "on" structure: County highway ,  Year Built: 2019,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 25 (year 2019),  Average Future Daily Traffic: 25 (year 2040),  Design Load: HL 93,  Features Intersected: DYE CREEK,  Facility Carried by Structure: 210TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.927,  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: 3.7m (12.1ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 42.4 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: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020
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Structure Number: 315211,  Location: 084222603 (Lat: 42.063294,  Lng: -93.373333),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 2.74m (8.99ft),  Average Daily Traffic: 40 (year 2019),  Average Future Daily Traffic: 40 (year 2040),  Design Load: HS 20,  Features Intersected: EAST BR INDIAN CREEK,  Facility Carried by Structure: 200TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.386,  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: 10.4m (34.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 62.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 36.4 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: Equal to present desirable 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: Monolithic Concrete
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Structure Number: 31522,  Location: 084223603 (Lat: 42.046458,  Lng: -93.365253),  Route carried "on" structure: County highway ,  Year Built: 1925,  Year Reconstructed: 1963,  Status: Posted for load,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 25 (year 2019),  Average Future Daily Traffic: 25 (year 2040),  Features Intersected: EAST BR INDIAN CREEK,  Facility Carried by Structure: 213TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.416,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 7.0m (23.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 16.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: High priority of replacement,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Length Of Structure Improvement: 8.60m (28.22ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Critical Feature Inspection Date: December 2020,  Bridge Improvement Cost: $140,000,  Roadway Improvement Cost: $21,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 607795,  Location: 3.4 MILES WEST OF JCT. 65 (Lat: 42.007742,  Lng: -93.374897),  Route carried "on" structure: US 30,  Year Built: 1997,  Status: Open,  Structure Length: 9.42m (30.91ft),  Average Daily Traffic: 4,250 (year 2020),  Truck Traffic: 15%,  Average Future Daily Traffic: 4,250 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: EAST INDIAN CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 273.719,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.8m (101.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Channel: Excellent,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.3 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 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: 4887,  Location: AT JUNCTION WITH US 30 (Lat: 42.007392,  Lng: -93.309372),  Route carried "under" structure: US 30,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 5,300 (year 2020),  Truck Traffic: 11%,  Features Intersected: US 30,  Facility Carried by Structure: US 65
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 264.023,  Lanes on structure: 2,  Lanes under structure: 5,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.3m (73.2ft)

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Structure Number: 4945,  Location: 1.0 MILE N OF JCT US 30 (Lat: 42.022478,  Lng: -93.309594),  Route carried "under" structure: US 65,  Year Built: 1938,  Structure Length: 0. m,  Average Daily Traffic: 1,470 (year 2020),  Truck Traffic: 17%,  Features Intersected: US 65,  Facility Carried by Structure: LINCOLN HWY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 182.720,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 11.3m (37.1ft)

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