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

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Structure Number: 851,  Location: 080142307 (Lat: 41.726850,  Lng: -92.440492),  Route carried "on" structure: City street ,  Year Built: 2011,  Status: Open,  Structure Length: 4.30m (14.11ft),  Average Daily Traffic: 340 (year 2014),  Average Future Daily Traffic: 340 (year 2039),  Design Load: HL 93,  Features Intersected: LITTLE BEAR CREEK,  Facility Carried by Structure: MILLS ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.257,  Lanes on structure: 2,  Owner: City or Municipal 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: 16.8m (55.1ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 76.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 46.1 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,  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 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: 45751,  Location: 1.5 mi W of W jct. SR V18 (Lat: 41.746122,  Lng: -92.474300),  Route carried "on" structure: US 6,  Year Built: 2008,  Status: Open,  Structure Length: 5.35m (17.55ft),  Average Daily Traffic: 1,860 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,860 (year 2040),  Design Load: HS 20,  Features Intersected: BEAR CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 331.129,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.3m (60.0ft),  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: Good,  Operating Rating: 74.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 44.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: 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: 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: 4576,  Location: 0.4 MI W OF W JCT SR V18 (Lat: 41.746286,  Lng: -92.453581),  Route carried "on" structure: US 6,  Year Built: 1954,  Status: Open,  Structure Length: 3.11m (10.20ft),  Average Daily Traffic: 1,860 (year 2020),  Truck Traffic: 11%,  Average Future Daily Traffic: 1,860 (year 2040),  Design Load: H 20,  Features Intersected: STONY CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 332.853,  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: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 10.6m (34.8ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 56.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.1 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,  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: Low Slump Concrete

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Structure Number: 4604,  Location: 080141406 (Lat: 41.743661,  Lng: -92.445408),  Route carried "on" structure: County highway ,  Year Built: 1954,  Status: Posted for load,  Structure Length: 5.55m (18.21ft),  Average Daily Traffic: 2,150 (year 2018),  Truck Traffic: 5%,  Average Future Daily Traffic: 2,150 (year 2041),  Design Load: H 20,  Features Intersected: BEAR CREEK,  Facility Carried by Structure: V 18 (175TH ST)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.606,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete 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: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 10.0m (32.8ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 27.2 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 21.40m (70.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $653,000,  Roadway Improvement Cost: $65,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 4618,  Location: 4.5 MI.W.OF JCT. IOWA 21 (Lat: 41.695786,  Lng: -92.445525),  Route carried "on" structure: Interstate 80,  Year Built: 1963,  Status: Open,  Structure Length: 4.18m (13.71ft),  Average Daily Traffic: 11,650 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 11,650 (year 2041),  Design Load: HS 20,  Features Intersected: SR V18
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 316.833,  Lanes on structure: 2,  Lanes under 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: 3,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 64.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 29.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Better than present minimum 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: Low Slump Concrete

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Structure Number: 4619,  Location: 4.5 MI. W OF JCT. IA 21 (Lat: 41.696028,  Lng: -92.445056),  Route carried "on" structure: Interstate 80,  Year Built: 1963,  Status: Open,  Structure Length: 4.18m (13.71ft),  Average Daily Traffic: 11,650 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 11,650 (year 2041),  Design Load: HS 20,  Features Intersected: SR V18
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 176.260,  Lanes on structure: 2,  Lanes under structure: 2,  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: 3,  Length of Maximum Span: 17.1m (56.1ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 61.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Equal to present minimum 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: Low Slump Concrete

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Structure Number: 462,  Location: 2.0 MI.W.OF JCT Iowa #21 (Lat: 41.695878,  Lng: -92.396603),  Route carried "on" structure: County highway ,  Year Built: 1963,  Status: Open,  Structure Length: 6.58m (21.59ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2041),  Design Load: H 15,  Features Intersected: I-80,  Facility Carried by Structure: SR 200TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.319,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  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: 8.6m (28.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 50.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 16.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Better than present minimum 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

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Structure Number: 292106,  Location: 079130702 (Lat: 41.671353,  Lng: -92.416294),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Posted for load,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 10 (year 2041),  Design Load: H 20,  Features Intersected: SMALL,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.975,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 22.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 29242,  Location: 079130701 (Lat: 41.674011,  Lng: -92.412778),  Route carried "on" structure: County highway ,  Year Built: 1974,  Status: Posted for load,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2041),  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.908,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.2m (26.9ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 5.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 3.6 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: Equal to 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: > 39.9% below),  Length Of Structure Improvement: 2.60m (8.53ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 293211,  Location: 080131702 (Lat: 41.744586,  Lng: -92.396694),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 5.00m (16.40ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2039),  Design Load: HS 20,  Features Intersected: BIG BEAR CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.726,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 63.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 38.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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,  Length Of Structure Improvement: 16.40m (53.81ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 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: 293231,  Location: 080132002 (Lat: 41.730967,  Lng: -92.396586),  Route carried "on" structure: County highway ,  Year Built: 2008,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: HS 20,  Features Intersected: LITTLE BEAR CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 23.215,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 36.6m (120.1ft),  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: 40.8 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Better than 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: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 293241,  Location: 080132104 (Lat: 41.729886,  Lng: -92.377808),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 3.87m (12.70ft),  Average Daily Traffic: 20 (year 2018),  Average Future Daily Traffic: 20 (year 2041),  Design Load: H 15,  Features Intersected: LITTLE BEAR CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.517,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Skew: 2 degrees,  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: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 37.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 22.3 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 12.70m (41.67ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 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: 293321,  Location: 080132902 (Lat: 41.706675,  Lng: -92.396767),  Route carried "on" structure: County highway ,  Year Built: 2006,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2039),  Design Load: HS 20,  Features Intersected: CUB CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 20.518,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 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: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 2.00m (6.56ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 29339,  Location: 080140306 (Lat: 41.769986,  Lng: -92.464747),  Route carried "on" structure: County highway ,  Year Built: 1923,  Status: Posted for load,  Structure Length: 0.82m (2.69ft),  Average Daily Traffic: 25 (year 2018),  Average Future Daily Traffic: 25 (year 2041),  Design Load: H 15,  Features Intersected: STONY CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.249,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 4.9m (16.1ft),  Out-to-Out Width: 5.5m (18.0ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 29.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of corrective action,  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: 10.0 - 19.9% below),  Length Of Structure Improvement: 5.50m (18.04ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $135,000,  Roadway Improvement Cost: $14,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel

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Structure Number: 29345,  Location: 080140808 (Lat: 41.756464,  Lng: -92.508308),  Route carried "on" structure: County highway ,  Year Built: 1951,  Status: Posted for load,  Structure Length: 3.72m (12.20ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: BIG BEAR CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.829,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Fair,  Operating Rating: 27.2 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,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 12.20m (40.03ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $228,000,  Roadway Improvement Cost: $23,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 293471,  Location: 080140902 (Lat: 41.753458,  Lng: -92.493956),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 280 (year 2018),  Average Future Daily Traffic: 280 (year 2041),  Design Load: H 20,  Features Intersected: BEAR CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.196,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  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: 9.2m (30.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 51.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 12.80m (41.99ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 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: 29348,  Location: 080141003 (Lat: 41.760617,  Lng: -92.460186),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Closed,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 40 (year 2018),  Average Future Daily Traffic: 40 (year 2041),  Features Intersected: STONY CREEK,  Facility Carried by Structure: 370TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.401,  Lanes on structure: 1,  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,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 4.8m (15.7ft),  Out-to-Out Width: 4.9m (16.1ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Satisfactory,  Deck Geometry: Equal to present desirable criteria,  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: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $246,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 29349,  Location: 080141304 (Lat: 41.745183,  Lng: -92.426017),  Route carried "on" structure: County highway ,  Year Built: 1935,  Year Reconstructed: 2017,  Status: Posted for load,  Structure Length: 4.48m (14.70ft),  Average Daily Traffic: 25 (year 2018),  Average Future Daily Traffic: 25 (year 2041),  Features Intersected: BEAR CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.395,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.6m (24.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Good,  Operating Rating: 21.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 14.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 20.0 - 29.9% below),  Length Of Structure Improvement: 17.60m (57.74ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $431,000,  Roadway Improvement Cost: $43,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 293501,  Location: 080141402 (Lat: 41.742500,  Lng: -92.455078),  Route carried "on" structure: County highway ,  Year Built: 1991,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 45 (year 2018),  Average Future Daily Traffic: 45 (year 2039),  Design Load: HS 20,  Features Intersected: BIG BEAR CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.558,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  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: 7.3m (24.0ft),  Out-to-Out Width: 8.3m (27.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 65.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 37.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  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,  Length Of Structure Improvement: 12.80m (41.99ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 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: 29351,  Location: 080141412 (Lat: 41.743808,  Lng: -92.438764),  Route carried "on" structure: County highway ,  Year Built: 1951,  Status: Posted for load,  Structure Length: 4.63m (15.19ft),  Average Daily Traffic: 160 (year 2018),  Average Future Daily Traffic: 160 (year 2041),  Design Load: H 15,  Features Intersected: BIG BEAR CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.391,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.6m (21.7ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Good,  Operating Rating: 26.3 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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 15.20m (49.87ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $372,000,  Roadway Improvement Cost: $37,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 293561,  Location: 080142801 (Lat: 41.716983,  Lng: -92.478544),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 4.69m (15.39ft),  Average Daily Traffic: 45 (year 2018),  Average Future Daily Traffic: 45 (year 2039),  Design Load: HL 93,  Features Intersected: LITTLE BEAR CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.247,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.0m (59.1ft),  Curb-To-Curb Width: 9.3m (30.5ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 75.5 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 desirable criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 12.50m (41.01ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2019,  Bridge Improvement Cost: $330,000,  Roadway Improvement Cost: $33,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 4618,  Location: 4.5 MI.W.OF JCT. IOWA 21 (Lat: 41.695786,  Lng: -92.445525),  Route carried "under" structure: County highway ,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 565 (year 2018),  Features Intersected: SR V18,  Facility Carried by Structure: EB I-80
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.414,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.1m (56.1ft)

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Structure Number: 4619,  Location: 4.5 MI. W OF JCT. IA 21 (Lat: 41.696028,  Lng: -92.445056),  Route carried "under" structure: County highway ,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 565 (year 2018),  Features Intersected: SR V18,  Facility Carried by Structure: WB I-80
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 21.438,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 17.1m (56.1ft)

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Structure Number: 462,  Location: 2.0 MI.W.OF JCT Iowa #21 (Lat: 41.695878,  Lng: -92.396603),  Route carried "under" structure: Interstate 80,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 24,900 (year 2020),  Truck Traffic: 33%,  Features Intersected: I-80,  Facility Carried by Structure: SR 200TH STREET
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 320.902,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.8m (65.0ft)