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

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Structure Number: 6251,  Location: 000000000 (Lat: 41.650650,  Lng: -91.538933),  Route carried "on" structure: City street ,  Year Built: 1990,  Status: Open,  Structure Length: 14.60m (47.90ft),  Average Daily Traffic: 15,100 (year 2018),  Average Future Daily Traffic: 15,100 (year 2041),  Design Load: HS 20,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: BENTON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.717,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 36.6m (120.1ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 17.1m (56.1ft),  Out-to-Out Width: 23.4m (76.8ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 63.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 47.90m (157.15ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 63,  Location: 000000000 (Lat: 41.653925,  Lng: -91.514683),  Route carried "on" structure: City street ,  Year Built: 1957,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 350 (year 1975),  Average Future Daily Traffic: 350 (year 2041),  Design Load: HS 20,  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: CENTER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.153,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 12.6m (41.3ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 37.9 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.20m (7.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $25,000,  Roadway Improvement Cost: $3,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 631,  Location: 000000000 (Lat: 41.656908,  Lng: -91.552933),  Route carried "on" structure: City street ,  Year Built: 1997,  Status: Open,  Structure Length: 6.28m (20.60ft),  Average Daily Traffic: 12,600 (year 2018),  Average Future Daily Traffic: 12,600 (year 2039),  Features Intersected: IAIS RR,  Facility Carried by Structure: MELROSE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.866,  Lanes on structure: 3,  Owner: City or Municipal 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: 3,  Length of Maximum Span: 22.3m (73.2ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 13.1m (43.0ft),  Out-to-Out Width: 19.4m (63.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 55.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 20.60m (67.59ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 632,  Location: 000000000 (Lat: 41.661836,  Lng: -91.515108),  Route carried "on" structure: City street ,  Year Built: 1958,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 2,270 (year 2002),  Average Future Daily Traffic: 2,270 (year 2041),  Design Load: HS 20,  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: JEFFERSON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.373,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 9.4m (30.8ft),  Out-to-Out Width: 13.0m (42.7ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 40.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 31.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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 minimum criteria,  Length Of Structure Improvement: 2.20m (7.22ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $25,000,  Roadway Improvement Cost: $3,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 6331,  Location: 0790611 (Lat: 41.663903,  Lng: -91.513714),  Route carried "on" structure: City street ,  Year Built: 2014,  Status: Open,  Structure Length: 1.77m (5.81ft),  Average Daily Traffic: 7,000 (year 2018),  Average Future Daily Traffic: 7,000 (year 2041),  Design Load: HL 93,  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: ROCHESTER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.475,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.8m (55.1ft),  Curb or Sidewalk Widths: Left: 2.7m (8.9ft),  Right: 2.7m (8.9ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 52.5 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: 39.5 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,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable 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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 6351,  Location: 079060300 (Lat: 41.671278,  Lng: -91.534769),  Route carried "on" structure: City street ,  Year Built: 2018,  Status: Open,  Structure Length: 13.52m (44.36ft),  Average Daily Traffic: 6,900 (year 2018),  Average Future Daily Traffic: 6,900 (year 2041),  Design Load: HL 93,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: PARK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.455,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 27.4m (89.9ft),  Material/Design: Concrete,  Design/Construction: Arch - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 76.2m (250.0ft),  Curb or Sidewalk Widths: Left: 3.1m (10.2ft),  Right: 3.1m (10.2ft),  Curb-To-Curb Width: 19.5m (64.0ft),  Out-to-Out Width: 29.6m (97.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 48.6 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: 33.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: June 2021,  Underwater Inspection Date: November 2018,  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: 639,  Location: 000000000 (Lat: 41.649436,  Lng: -91.533164),  Route carried "on" structure: City street ,  Year Built: 1935,  Year Reconstructed: 1982,  Status: Open,  Structure Length: 1.89m (6.20ft),  Average Daily Traffic: 5,300 (year 2010),  Average Future Daily Traffic: 5,300 (year 2041),  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: KIRKWOOD AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.124,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 18.9m (62.0ft),  Skew: 23 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 4.0m (13.1ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 1.5m (4.9ft)

Condition: Channel: Satisfactory,  Culverts: Serious,  Operating Rating: 32.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 24.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: High priority of corrective action,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 9.00m (29.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $855,000,  Roadway Improvement Cost: $86,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 645,  Location: 000000000 (Lat: 41.655267,  Lng: -91.530228),  Route carried "on" structure: City street ,  Year Built: 1972,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 14,500 (year 2014),  Average Future Daily Traffic: 14,500 (year 2041),  Design Load: HS 20,  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: GILBERT ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.112,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.4m (30.8ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 18.6m (61.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 50.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 8.30m (27.23ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $75,000,  Roadway Improvement Cost: $8,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 646,  Location: 000000000 (Lat: 41.660714,  Lng: -91.527214),  Route carried "on" structure: City street ,  Year Built: 1930,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 2,500 (year 1975),  Average Future Daily Traffic: 2,500 (year 2041),  Design Load: HS 20,  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: JOHNSON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.882,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 9.2m (30.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 43.2 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: Meets minimum limits,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.20m (10.50ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $30,000,  Roadway Improvement Cost: $3,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 647,  Location: 000000000 (Lat: 41.651869,  Lng: -91.526028),  Route carried "on" structure: City street ,  Year Built: 1970,  Status: Open,  Structure Length: 5.91m (19.39ft),  Average Daily Traffic: 5,300 (year 1994),  Average Future Daily Traffic: 5,300 (year 2041),  Design Load: HS 20,  Features Intersected: IAIS RR,  Facility Carried by Structure: DODGE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.270,  Lanes on structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 32.9m (107.9ft),  Curb or Sidewalk Widths: Left: 1.8m (5.9ft),  Right: 1.8m (5.9ft),  Curb-To-Curb Width: 15.9m (52.2ft),  Out-to-Out Width: 19.6m (64.3ft)

Condition: Deck: Poor,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 19.40m (63.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $190,000,  Roadway Improvement Cost: $19,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 65,  Location: 000000000 (Lat: 41.661986,  Lng: -91.520717),  Route carried "on" structure: City street ,  Year Built: 1911,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 2,740 (year 2002),  Average Future Daily Traffic: 2,740 (year 2041),  Features Intersected: RALSTON CREEK,  Facility Carried by Structure: EVANS ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.090,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb or Sidewalk Widths: Left: 2.7m (8.9ft),  Right: 2.7m (8.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 22.7 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: High priority of replacement,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $250,000,  Roadway Improvement Cost: $25,000

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Structure Number: 6571,  Location: 000000000 (Lat: 41.653431,  Lng: -91.488381),  Route carried "on" structure: City street ,  Year Built: 1997,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 400 (year 1975),  Average Future Daily Traffic: 400 (year 2039),  Design Load: HS 20,  Features Intersected: SO BR RALSTON CREEK,  Facility Carried by Structure: BROOKSIDE DR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.594,  Lanes on structure: 2,  Owner: City or Municipal 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: 7.9m (25.9ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 7.2m (23.6ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 68.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: High priority of corrective action,  Length Of Structure Improvement: 2.70m (8.86ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 31541,  Location: 000000000 (Lat: 41.664664,  Lng: -91.549767),  Route carried "on" structure: City street ,  Year Built: 1998,  Status: Open,  Structure Length: 5.85m (19.19ft),  Average Daily Traffic: 980 (year 2018),  Average Future Daily Traffic: 980 (year 2041),  Design Load: HS 20,  Features Intersected: US 6 & RR,  Facility Carried by Structure: WOOLF AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.166,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 21.0m (68.9ft),  Curb or Sidewalk Widths: Left: 2.4m (7.9ft),  Right: 2.4m (7.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 14.8m (48.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: 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 minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 19.00m (62.34ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 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: 3157,  Location: 0.2 MI. E OF E JCT. IA 1 (Lat: 41.646658,  Lng: -91.537067),  Route carried "on" structure: US 6,  Year Built: 1957,  Status: Open,  Structure Length: 9.88m (32.41ft),  Average Daily Traffic: 30,600 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 30,600 (year 2040),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 415.439,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Skew: 23 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 0.9m (3.0ft),  Right: 0.9m (3.0ft),  Curb-To-Curb Width: 15.9m (52.2ft),  Out-to-Out Width: 18.8m (61.7ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 35.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 21.4 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 desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2020,  Underwater Inspection Date: October 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 3158,  Location: 0.3 MI. E OF E JCT. IA #1 (Lat: 41.646103,  Lng: -91.534856),  Route carried "on" structure: US 6,  Year Built: 1957,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 30,600 (year 2020),  Truck Traffic: 3%,  Average Future Daily Traffic: 30,600 (year 2041),  Design Load: H 20,  Features Intersected: RALSTON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 415.634,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 20.7m (67.9ft),  Skew: 33 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: Good,  Culverts: Satisfactory,  Operating Rating: 34.8 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 3159,  Location: 0.7 mi. W of SR X14 (Lat: 41.609947,  Lng: -91.460408),  Route carried "on" structure: US 6,  Year Built: 1957,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 4,540 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 4,540 (year 2041),  Design Load: H 20,  Features Intersected: SNYDER CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 423.282,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  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: Satisfactory,  Operating Rating: 31.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 19.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021

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Structure Number: 31691,  Location: 0.6 mi N of SR F52 (Lat: 41.613644,  Lng: -91.647422),  Route carried "on" structure: State highway 1,  Year Built: 2020,  Status: Open,  Structure Length: 4.24m (13.91ft),  Average Daily Traffic: 5,300 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 5,300 (year 2040),  Design Load: HL 93,  Features Intersected: OLD WOMANS CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 126.879,  Lanes on structure: 2,  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: 1,  Length of Maximum Span: 41.1m (134.8ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  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: Superior 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: 31701,  Location: 0.6 mi N of SR F52 (Lat: 41.620331,  Lng: -91.627142),  Route carried "on" structure: State highway 1,  Year Built: 2020,  Status: Open,  Structure Length: 0.99m (3.25ft),  Average Daily Traffic: 6,400 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 6,400 (year 2040),  Design Load: HL 93,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 128.725,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Excellent,  Culverts: Excellent,  Operating Rating: 57.3 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: 44.4 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: Superior to present desirable 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: 31711,  Location: 0.6 mi. N of Jct. US 218 (Lat: 41.640086,  Lng: -91.560319),  Route carried "on" structure: State highway 1,  Year Built: 1949,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 20,000 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 20,000 (year 2040),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 134.948,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 40.5m (132.9ft),  Skew: 21 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 5.5m (18.0ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 43.5 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: October 2020

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Structure Number: 3175,  Location: 2.5 MI. S OF JCT. I-80 (Lat: 41.660669,  Lng: -91.525764),  Route carried "on" structure: State highway 1,  Year Built: 1953,  Status: Open,  Structure Length: 1.71m (5.61ft),  Average Daily Traffic: 2,475 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,475 (year 2040),  Design Load: HS 20,  Features Intersected: RALSTON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 51.958,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Frame,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.2m (49.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 29.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  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: Low Slump Concrete

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Structure Number: 31762,  Location: 2.3 MI. S. OF I-80 (Lat: 41.661606,  Lng: -91.522825),  Route carried "on" structure: State highway 1,  Year Built: 2019,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 2,475 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 2,475 (year 2040),  Design Load: HL 93,  Features Intersected: RALSTON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 140.172,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Excellent,  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: Meets minimum limits,  Waterway Adequacy: Superior 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: 3177,  Location: AT JCT. I-80 (Lat: 41.686394,  Lng: -91.499436),  Route carried "on" structure: State highway 1,  Year Built: 1962,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 7.30m (23.95ft),  Average Daily Traffic: 8,550 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 8,550 (year 2040),  Design Load: HS 20,  Features Intersected: I-80
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 143.990,  Lanes on structure: 2,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 45.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 28.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 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: 3178,  Location: AT JCT. I-80 (Lat: 41.687033,  Lng: -91.499392),  Route carried "on" structure: State highway 1,  Year Built: 1962,  Year Reconstructed: 2009,  Status: Open,  Structure Length: 7.79m (25.56ft),  Average Daily Traffic: 8,550 (year 2020),  Truck Traffic: 2%,  Average Future Daily Traffic: 8,550 (year 2040),  Design Load: HS 20,  Features Intersected: I-80
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 47.920,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 47.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 28.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 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: 3179,  Location: 1.1 mi. N of Jct. I-80 (Lat: 41.700006,  Lng: -91.488108),  Route carried "on" structure: State highway 1,  Year Built: 1967,  Year Reconstructed: 2010,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 9,300 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 9,300 (year 2041),  Design Load: HS 20,  Features Intersected: RAPID CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 145.786,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 18.7m (61.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 65.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior 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: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 32101,  Location: 3.0 MI. W OF JCT. IA 1 (Lat: 41.685647,  Lng: -91.556558),  Route carried "on" structure: Interstate 80,  Year Built: 1960,  Year Reconstructed: 1999,  Status: Open,  Structure Length: 13.17m (43.21ft),  Average Daily Traffic: 26,550 (year 2020),  Truck Traffic: 26%,  Average Future Daily Traffic: 26,550 (year 2041),  Design Load: HS 20,  Features Intersected: IOWA RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 102.010,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 28.7m (94.2ft),  Curb-To-Curb Width: 20.1m (65.9ft),  Out-to-Out Width: 20.9m (68.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 60.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: August 2021,  Underwater Inspection Date: October 2019,  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: 3211,  Location: At the jct. of S.R. W66 (Lat: 41.687011,  Lng: -91.540319),  Route carried "on" structure: City street ,  Year Built: 1963,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 2,750 (year 2018),  Average Future Daily Traffic: 2,750 (year 2040),  Design Load: HS 20,  Features Intersected: I 80,  Facility Carried by Structure: SB DUBUQUE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.373,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 45.4 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: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  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: 3212,  Location: At the jct. of S.R. W66 (Lat: 41.686400,  Lng: -91.539486),  Route carried "on" structure: City street ,  Year Built: 1963,  Status: Open,  Structure Length: 7.32m (24.02ft),  Average Daily Traffic: 3,750 (year 2018),  Average Future Daily Traffic: 3,750 (year 2040),  Design Load: HS 20,  Features Intersected: I 80,  Facility Carried by Structure: NB DUBUQUE ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.110,  Lanes on structure: 2,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.1m (65.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 45.1 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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  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: 3216,  Location: 3.0 mi. E of Jct. IA 1 (Lat: 41.671517,  Lng: -91.446103),  Route carried "on" structure: County highway ,  Year Built: 1961,  Year Reconstructed: 2007,  Status: Open,  Structure Length: 9.17m (30.09ft),  Average Daily Traffic: 5,500 (year 2018),  Average Future Daily Traffic: 5,500 (year 2041),  Design Load: HS 20,  Features Intersected: I-80,  Facility Carried by Structure: F-44
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.108,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 4 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 26.8m (87.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 51.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 30.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 3217,  Location: 1.2 mi. E of Jct. SR F44 (Lat: 41.667322,  Lng: -91.424886),  Route carried "on" structure: County highway ,  Year Built: 1960,  Status: Open,  Structure Length: 6.71m (22.01ft),  Average Daily Traffic: 220 (year 2018),  Average Future Daily Traffic: 220 (year 2041),  Design Load: HS 15,  Features Intersected: I-80,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.500,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 19.8m (65.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.7m (28.5ft)

Condition: Deck: Fair,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 51.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 17.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 20294,  Location: 078051702 (Lat: 41.558247,  Lng: -91.464350),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 130 (year 2018),  Average Future Daily Traffic: 130 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: 500TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.255,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 55.3 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: Equal to present desirable criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $70,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203101,  Location: 078060101 (Lat: 41.598572,  Lng: -91.501161),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 380 (year 2018),  Average Future Daily Traffic: 380 (year 2041),  Design Load: HS 20,  Features Intersected: SNYDER CREEK,  Facility Carried by Structure: NAPOLEON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.130,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.2m (49.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 89.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 57.8 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 13.00m (42.65ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2021,  Bridge Improvement Cost: $210,000,  Roadway Improvement Cost: $50,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203121,  Location: 078060203 (Lat: 41.598542,  Lng: -91.512233),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 380 (year 2018),  Average Future Daily Traffic: 380 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: NAPOLEON ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.208,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 55.3 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: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 20313,  Location: 078060204 (Lat: 41.586772,  Lng: -91.513575),  Route carried "on" structure: County highway ,  Year Built: 1964,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 2,380 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,380 (year 2041),  Design Load: HS 20,  Features Intersected: SNYDER CREEK,  Facility Carried by Structure: FM SAND RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.939,  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: 1,  Length of Maximum Span: 20.7m (67.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.3m (30.5ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 57.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 25.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203141,  Location: 078060204 (Lat: 41.597803,  Lng: -91.514467),  Route carried "on" structure: County highway ,  Year Built: 2005,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 2,380 (year 2018),  Truck Traffic: 3%,  Average Future Daily Traffic: 2,380 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: FM SAND RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.168,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 41.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.1 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: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203171,  Location: 078060504 (Lat: 41.592006,  Lng: -91.579469),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 10 (year 2041),  Design Load: HL 93,  Features Intersected: OLD MAN'S CREEK,  Facility Carried by Structure: NAPLES AVE SW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.048,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  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: 46.7 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: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021

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Structure Number: 203191,  Location: 078060604 (Lat: 41.594600,  Lng: -91.597903),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 6.89m (22.60ft),  Average Daily Traffic: 140 (year 2018),  Truck Traffic: 19%,  Average Future Daily Traffic: 140 (year 2041),  Design Load: HS 20,  Features Intersected: OLD MANS CREEK,  Facility Carried by Structure: SW MAIER AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.477,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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-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: 88.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203201,  Location: 078060702 (Lat: 41.577969,  Lng: -91.598183),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.631,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 46.7 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: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: 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: July 2020

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Structure Number: 203241,  Location: 078061201 (Lat: 41.583781,  Lng: -91.493733),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 80 (year 2018),  Average Future Daily Traffic: 80 (year 2041),  Design Load: HL 93,  Features Intersected: SMALL,  Facility Carried by Structure: 480TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.213,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  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: Poor,  Culverts: Satisfactory,  Operating Rating: 46.7 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: 36.0 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: 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: April 2021

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Structure Number: 20346,  Location: 078071101 (Lat: 41.583225,  Lng: -91.625733),  Route carried "on" structure: County highway ,  Year Built: 1920,  Status: Posted for load,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: BR DIRTY FACE CR,  Facility Carried by Structure: SW 480TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.322,  Lanes on structure: 1,  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: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 32.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.3 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Bridge Improvement Cost: $50,000,  Roadway Improvement Cost: $15,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 203951,  Location: 079051703 (Lat: 41.642044,  Lng: -91.451600),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 2.38m (7.81ft),  Average Daily Traffic: 1,480 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,480 (year 2041),  Design Load: HS 20,  Features Intersected: SNYDER CREEK,  Facility Carried by Structure: FM AM LEGION RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.014,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.9m (32.5ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 59.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 39.0 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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete