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

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Structure Number: 29341,  Location: 1.0 MI. W OF JCT. IA #212 (Lat: 41.785342,  Lng: -92.092369),  Route carried "on" structure: US 6,  Year Built: 1974,  Status: Open,  Structure Length: 11.16m (36.61ft),  Average Daily Traffic: 1,560 (year 2020),  Truck Traffic: 12%,  Average Future Daily Traffic: 1,560 (year 2041),  Design Load: HS 20,  Features Intersected: BIG BEAR CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 363.927,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 25.0m (82.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 14.5m (47.6ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 66.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 25.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 29351,  Location: 2.9 mi. W of Jct. IA 220 (Lat: 41.785522,  Lng: -92.019633),  Route carried "on" structure: US 6,  Year Built: 2010,  Status: Open,  Structure Length: 4.68m (15.35ft),  Average Daily Traffic: 3,070 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 3,070 (year 2041),  Design Load: HS 20,  Features Intersected: HILTON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 370.175,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 14.4m (47.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 78.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 47.1 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: Superior to present desirable 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: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 29621,  Location: 3.1 mi. W of Jct. SR V66 (Lat: 41.797058,  Lng: -92.124947),  Route carried "on" structure: State highway 212,  Year Built: 2007,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 1,170 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,170 (year 2040),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.537,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State 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: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Very good,  Operating Rating: 54.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020

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Structure Number: 29631,  Location: 1.0 mi W of Jct. US 6 (Lat: 41.797042,  Lng: -92.085583),  Route carried "on" structure: State highway 212,  Year Built: 1979,  Status: Open,  Structure Length: 14.39m (47.21ft),  Average Daily Traffic: 1,410 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 1,410 (year 2041),  Design Load: HS 20,  Features Intersected: BIG BEAR CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.807,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 25.0m (82.0ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 12.0m (39.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 73.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 38.4 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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 190321,  Location: 080100502 (Lat: 41.771186,  Lng: -92.045469),  Route carried "on" structure: County highway ,  Year Built: 1976,  Status: Open,  Structure Length: 1.01m (3.31ft),  Average Daily Traffic: 20 (year 2018),  Average Future Daily Traffic: 20 (year 2041),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.354,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Wood or Timber,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 45.7 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: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 5.40m (17.72ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $146,000,  Roadway Improvement Cost: $15,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 190332,  Location: 080100503 (Lat: 41.774589,  Lng: -92.033414),  Route carried "on" structure: County highway ,  Year Built: 2005,  Status: Open,  Structure Length: 3.44m (11.29ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2038),  Design Load: HS 20,  Features Intersected: HILTON CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.532,  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: 13.4m (44.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 83.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 49.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 11.30m (37.07ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2018,  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: 19034,  Location: 080100504 (Lat: 41.771144,  Lng: -92.035786),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2040),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.832,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 32.7 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 minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 3.40m (11.15ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $25,000,  Roadway Improvement Cost: $3,000

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Structure Number: 190351,  Location: 080100505 (Lat: 41.767950,  Lng: -92.032061),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 3.05m (10.01ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2040),  Design Load: H 20,  Features Intersected: HILTON CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.684,  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: 11.9m (39.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 49.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $20,000,  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: 190352,  Location: 080100602 (Lat: 41.767836,  Lng: -92.065139),  Route carried "on" structure: County highway ,  Year Built: 1953,  Status: Open,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 1,740 (year 2018),  Truck Traffic: 9%,  Average Future Daily Traffic: 1,740 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: M AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.176,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft)

Condition: Channel: Fair,  Culverts: Fair,  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: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.70m (8.86ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $25,000,  Roadway Improvement Cost: $3,000

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Structure Number: 190381,  Location: 080101802 (Lat: 41.740664,  Lng: -92.065642),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,740 (year 2018),  Truck Traffic: 9%,  Average Future Daily Traffic: 1,740 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.158,  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: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 19039,  Location: 080101804 (Lat: 41.741825,  Lng: -92.055469),  Route carried "on" structure: County highway ,  Year Built: 1963,  Status: Posted for load,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 45 (year 2018),  Average Future Daily Traffic: 45 (year 2041),  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.787,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.4m (30.8ft),  Curb-To-Curb Width: 6.0m (19.7ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 13.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 10.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to 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: 7.00m (22.97ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $189,000,  Roadway Improvement Cost: $19,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 191231,  Location: 081100604 (Lat: 41.852147,  Lng: -92.064431),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: SMALL,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 25.862,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Fair,  Operating Rating: 18.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 4.40m (14.44ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $95,000,  Roadway Improvement Cost: $10,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 191291,  Location: 081101803 (Lat: 41.823111,  Lng: -92.060508),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 0.64m (2.10ft),  Average Daily Traffic: 1,600 (year 2018),  Average Future Daily Traffic: 1,600 (year 2040),  Design Load: HS 20,  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.614,  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: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.10m (6.89ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 1913,  Location: 081102103 (Lat: 41.811586,  Lng: -92.012597),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 1,410 (year 2018),  Average Future Daily Traffic: 1,410 (year 2040),  Features Intersected: SMALL,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.088,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.4m (30.8ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  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: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 4.30m (14.11ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $77,000,  Roadway Improvement Cost: $8,000

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Structure Number: 191331,  Location: 081110207 (Lat: 41.851222,  Lng: -92.085036),  Route carried "on" structure: County highway ,  Year Built: 2019,  Status: Open,  Structure Length: 2.77m (9.09ft),  Average Daily Traffic: 45 (year 2018),  Average Future Daily Traffic: 45 (year 2040),  Design Load: HL 93,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: 107TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.134,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 27.4m (89.9ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 191411,  Location: 081111202 (Lat: 41.834614,  Lng: -92.082733),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 3.41m (11.19ft),  Average Daily Traffic: 1,070 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,070 (year 2038),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.220,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 83.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable 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: 11.20m (36.75ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2018,  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: 191422,  Location: 081111202 (Lat: 41.844989,  Lng: -92.083619),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 1,070 (year 2021),  Truck Traffic: 17%,  Average Future Daily Traffic: 1,070 (year 2040),  Design Load: HS 20,  Features Intersected: COON CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 31.376,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.40m (11.15ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 191431,  Location: 081111305 (Lat: 41.828167,  Lng: -92.078556),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 3.51m (11.52ft),  Average Daily Traffic: 1,380 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 1,380 (year 2040),  Design Load: HS 20,  Features Intersected: COON CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.951,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 83.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.0 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: 11.50m (37.73ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 36168,  Location: 081101902 (Lat: 41.809844,  Lng: -92.064469),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 38.56m (126.51ft),  Average Daily Traffic: 2,410 (year 2018),  Average Future Daily Traffic: 2,410 (year 2040),  Design Load: H 20,  Features Intersected: IOWA RIVER,  Facility Carried by Structure: M AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.604,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 15,  Length of Maximum Span: 38.1m (125.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 43.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.1 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 minimum criteria,  Length Of Structure Improvement: 126.80m (416.01ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $4,800,000,  Roadway Improvement Cost: $480,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete