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

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Structure Number: 21201,  Location: 0.5 mi N of Ia. 37 (Lat: 41.864267,  Lng: -95.596928),  Route carried "on" structure: US 30,  Year Built: 2015,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 2,870 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,870 (year 2040),  Design Load: HL 93,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.979,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 52.8 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: 40.5 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,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020

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Structure Number: 21221,  Location: 3.1 mi. E of W jct. IA 37 (Lat: 41.894928,  Lng: -95.569447),  Route carried "on" structure: US 30,  Year Built: 1994,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 2,870 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,870 (year 2040),  Design Load: HS 20,  Features Intersected: N. GROVE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 66.093,  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: 30.5m (100.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 88.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.9 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 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: 2756,  Location: 3.7 mi. W of jct. IA 37 (Lat: 41.810536,  Lng: -95.640436),  Route carried "on" structure: US 30,  Year Built: 1968,  Status: Open,  Structure Length: 8.69m (28.51ft),  Average Daily Traffic: 2,790 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,790 (year 2041),  Design Load: HS 20,  Features Intersected: BOYER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 54.816,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State 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: 33.2m (108.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 53.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 31.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 27571,  Location: 7.2 MI. E. OF CO. RD. F32 (Lat: 41.819783,  Lng: -95.631978),  Route carried "on" structure: US 30,  Year Built: 2019,  Status: Open,  Structure Length: 3.69m (12.11ft),  Average Daily Traffic: 2,790 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,790 (year 2040),  Design Load: HL 93,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 56.061,  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 continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: 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,  Inspection Date: July 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: 276,  Location: 0.1 mi. W of US 30 (Lat: 41.860117,  Lng: -95.605561),  Route carried "on" structure: State highway 37,  Year Built: 1958,  Status: Open,  Structure Length: 8.66m (28.41ft),  Average Daily Traffic: 1,220 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 1,220 (year 2041),  Design Load: H 15,  Features Intersected: BOYER RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 36.772,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 33.2m (108.9ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 38.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: 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: 29531,  Location: 0.1 MI. S OF JCT I-80 (Lat: 41.685358,  Lng: -92.007953),  Route carried "on" structure: State highway 149,  Year Built: 1962,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 6,200 (year 2020),  Truck Traffic: 5%,  Average Future Daily Traffic: 6,200 (year 2041),  Design Load: HS 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 105.674,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.4m (80.1ft),  Skew: 21 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 44.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021

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Structure Number: 47851,  Location: 3.7 E OF Jct. US 30 (Lat: 41.829108,  Lng: -95.550331),  Route carried "on" structure: State highway 37,  Year Built: 1992,  Status: Open,  Structure Length: 6.10m (20.01ft),  Average Daily Traffic: 570 (year 2020),  Truck Traffic: 19%,  Average Future Daily Traffic: 570 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 43.398,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 23.5m (77.1ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 67.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.5 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 minimum 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: 12707,  Location: 082411304 (Lat: 41.912217,  Lng: -95.573561),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 70 (year 2016),  Average Future Daily Traffic: 70 (year 2041),  Design Load: H 15,  Features Intersected: CLARK CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.357,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  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-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 37.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 17.1 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: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 12718,  Location: 082413304 (Lat: 41.872931,  Lng: -95.615436),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 360 (year 2016),  Truck Traffic: 23%,  Average Future Daily Traffic: 360 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.199,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 9.0m (29.5ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.4 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: High priority of corrective action,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 179136,  Location: 081410303 (Lat: 41.853003,  Lng: -95.611331),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 6.89m (22.60ft),  Average Daily Traffic: 200 (year 2016),  Truck Traffic: 24%,  Average Future Daily Traffic: 200 (year 2040),  Design Load: HS 20,  Features Intersected: BOYER RIVER,  Facility Carried by Structure: FM 110 ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.525,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 24.7m (81.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 64.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.9 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: 31.60m (103.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2020,  Bridge Improvement Cost: $476,000,  Roadway Improvement Cost: $48,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 179185,  Location: 081411705 (Lat: 41.823814,  Lng: -95.635650),  Route carried "on" structure: County highway ,  Year Built: 1940,  Year Reconstructed: 1977,  Status: Posted for load,  Structure Length: 4.94m (16.21ft),  Average Daily Traffic: 90 (year 2016),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HS 20,  Features Intersected: BOYER RIVER,  Facility Carried by Structure: LOC 128 TRAIL
Minimum Vertical Clearance: 4.42m (14.50ft),  Kilometerpoint: 0.652,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Steel,  Design/Construction: Truss - Thru,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 1,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 6.5m (21.3ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Poor,  Channel: Poor,  Operating Rating: 14.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 9.4 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: Equal to 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: 19.30m (63.32ft),  Designated Inspection Frequency: Every 24 months,  Critical Feature Inspection Frequency: Every 24 months,  Inspection Date: January 2020,  Critical Feature Inspection Date: January 2020,  Bridge Improvement Cost: $290,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Corrugated Steel,  Wearing Surface/Protective System: Wearing Surface: Bituminous

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Structure Number: 179211,  Location: 081412104 (Lat: 41.818747,  Lng: -95.625044),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 3.93m (12.89ft),  Average Daily Traffic: 45 (year 2016),  Average Future Daily Traffic: 45 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: SPOKANE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.423,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Satisfactory,  Inventory Rating: 58.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2020,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 179221,  Location: 081412206 (Lat: 41.814775,  Lng: -95.610383),  Route carried "on" structure: County highway ,  Year Built: 1977,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 140 (year 2016),  Truck Traffic: 29%,  Average Future Daily Traffic: 140 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: FM TOLEDO AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.662,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Poor,  Operating Rating: 52.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.2 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 15.80m (51.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2020,  Bridge Improvement Cost: $356,000,  Roadway Improvement Cost: $36,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 364115,  Location: 082412308 (Lat: 41.901897,  Lng: -95.582942),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 60 (year 2016),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.630,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Channel: Fair,  Culverts: Good,  Operating Rating: 88.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 53.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 36524,  Location: 082412801 (Lat: 41.892294,  Lng: -95.630036),  Route carried "on" structure: County highway ,  Year Built: 1958,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 25 (year 2012),  Truck Traffic: 12%,  Average Future Daily Traffic: 25 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: W AVENUE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.421,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 75.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021

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Structure Number: 60581,  Location: 1.5 MI. W OF IA 37 (Lat: 41.838672,  Lng: -95.616639),  Route carried "on" structure: US 30,  Year Built: 1924,  Year Reconstructed: 1987,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 2,790 (year 2020),  Truck Traffic: 24%,  Average Future Daily Traffic: 2,790 (year 2041),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.516,  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: 3,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 35.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 18.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: 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: December 2021