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

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Structure Number: 3141,  Location: 3.2 mi. S of S Jct. IA 78 (Lat: 41.131894,  Lng: -91.966047),  Route carried "on" structure: State highway 1,  Year Built: 1969,  Status: Open,  Structure Length: 3.75m (12.30ft),  Average Daily Traffic: 1,610 (year 2020),  Truck Traffic: 7%,  Average Future Daily Traffic: 1,610 (year 2041),  Design Load: HS 20,  Features Intersected: MIDDLE WALNUT CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 53.825,  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: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 62.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 37.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to 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: 31441,  Location: 073101403 (Lat: 41.133458,  Lng: -91.971292),  Route carried "on" structure: County highway ,  Year Built: 2008,  Status: Open,  Structure Length: 2.53m (8.30ft),  Average Daily Traffic: 200 (year 2018),  Truck Traffic: 17%,  Average Future Daily Traffic: 200 (year 2039),  Design Load: HL 93,  Features Intersected: MIDDLE WALNUT CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.354,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.4m (30.8ft),  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: 68.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 40.8 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: 8.00m (26.25ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 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,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 3264,  Location: 074102210 (Lat: 41.201536,  Lng: -91.993178),  Route carried "on" structure: County highway ,  Year Built: 1932,  Year Reconstructed: 1960,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 880 (year 2018),  Truck Traffic: 11%,  Average Future Daily Traffic: 880 (year 2040),  Design Load: HS 20,  Features Intersected: RICHLAND CREEK,  Facility Carried by Structure: OLD IA 77
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.564,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 21.6m (70.9ft),  Curb or Sidewalk Widths: Left: 0.6m (2.0ft),  Right: 0.6m (2.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 60.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 36.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 18.00m (59.06ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $540,000,  Roadway Improvement Cost: $130,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 3265,  Location: 074100206 (Lat: 41.236903,  Lng: -91.978583),  Route carried "on" structure: County highway ,  Year Built: 1932,  Year Reconstructed: 1959,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 700 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 700 (year 2040),  Design Load: H 15,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: CO RD W15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.302,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 3.00m (9.84ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $320,000,  Roadway Improvement Cost: $130,000,  Deck Structure Type: Concrete Cast-file-Place

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Structure Number: 32661,  Location: 074100204 (Lat: 41.245817,  Lng: -91.977953),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 3.81m (12.50ft),  Average Daily Traffic: 700 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 700 (year 2041),  Design Load: HS 20,  Features Intersected: SKUNK RIVER OVERFLOW,  Facility Carried by Structure: CO RD W15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.295,  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-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 10.1m (33.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 88.5 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: Equal to present desirable 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: 15.00m (49.21ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $350,000,  Roadway Improvement Cost: $80,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 32671,  Location: 074100204 (Lat: 41.250194,  Lng: -91.971767),  Route carried "on" structure: County highway ,  Year Built: 2004,  Status: Open,  Structure Length: 18.87m (61.91ft),  Average Daily Traffic: 700 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 700 (year 2040),  Design Load: HS 20,  Features Intersected: SKUNK RIVER,  Facility Carried by Structure: CO RD W15
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.021,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 32.6m (107.0ft),  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: 69.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 34.6 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: Equal to present desirable criteria,  Length Of Structure Improvement: 61.20m (200.79ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Underwater Inspection Date: September 2020,  Bridge Improvement Cost: $1,500,000,  Roadway Improvement Cost: $300,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 327,  Location: 3.4 MI. W OF JCT. IA 1 (Lat: 41.178075,  Lng: -92.030900),  Route carried "on" structure: State highway 78,  Year Built: 1947,  Status: Open,  Structure Length: 3.14m (10.30ft),  Average Daily Traffic: 1,430 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,430 (year 2040),  Design Load: H 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 15.326,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 43.3 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.1 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete

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Structure Number: 202081,  Location: 073090702 (Lat: 41.145389,  Lng: -91.946206),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 15 (year 2018),  Average Future Daily Traffic: 15 (year 2040),  Design Load: H 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.118,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 55.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 33.3 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: Better than present minimum criteria,  Length Of Structure Improvement: 2.40m (7.87ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 202441,  Location: 073101004 (Lat: 41.141214,  Lng: -91.994614),  Route carried "on" structure: County highway ,  Year Built: 2011,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 90 (year 2018),  Average Future Daily Traffic: 90 (year 2040),  Design Load: HS 20,  Features Intersected: MIDDLE WALNUT CREEK,  Facility Carried by Structure: JASMINE AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.852,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: Very good,  Culverts: Very good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2020

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Structure Number: 202461,  Location: 073101201 (Lat: 41.148306,  Lng: -91.958478),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 180 (year 2018),  Average Future Daily Traffic: 180 (year 2039),  Design Load: HS 20,  Features Intersected: CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.588,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000

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Structure Number: 209401,  Location: 074100403 (Lat: 41.243647,  Lng: -92.003025),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 15 (year 2018),  Average Future Daily Traffic: 15 (year 2040),  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.766,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.0m (45.9ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 39.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 23.4 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: Meets minimum limits,  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $95,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber

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Structure Number: 20946,  Location: 074101305 (Lat: 41.209978,  Lng: -91.953628),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Closed,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 20 (year 2018),  Average Future Daily Traffic: 20 (year 2040),  Design Load: H 15,  Features Intersected: RICHLAND CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 24.736,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Number Of Approach Spans: 2,  Length of Maximum Span: 15.9m (52.2ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 7.0m (23.0ft)

Condition: Deck: Failed,  Superstructure: Failed,  Substructure: Failed,  Channel: Satisfactory,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: > 39.9% below),  Length Of Structure Improvement: 15.00m (49.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $330,000,  Roadway Improvement Cost: $160,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 209551,  Location: 074102304 (Lat: 41.198303,  Lng: -91.983533),  Route carried "on" structure: County highway ,  Year Built: 2005,  Status: Open,  Structure Length: 3.90m (12.80ft),  Average Daily Traffic: 15 (year 2018),  Average Future Daily Traffic: 15 (year 2038),  Design Load: HS 20,  Features Intersected: STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.195,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 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: 88.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 52.7 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,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2018,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 209571,  Location: 074102803 (Lat: 41.186914,  Lng: -92.022931),  Route carried "on" structure: County highway ,  Year Built: 2007,  Status: Open,  Structure Length: 3.60m (11.81ft),  Average Daily Traffic: 200 (year 2018),  Average Future Daily Traffic: 200 (year 2040),  Design Load: HS 20,  Features Intersected: RICHLAND CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.131,  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: 35.1m (115.2ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.1m (26.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Inventory Rating: 32.7 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported in metric tons,  Structural Evaluation: Equal to present desirable 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: 15.00m (49.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $400,000,  Roadway Improvement Cost: $50,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 20959,  Location: 074102905 (Lat: 41.188592,  Lng: -92.026875),  Route carried "on" structure: County highway ,  Year Built: 1936,  Status: Posted for load,  Structure Length: 3.60m (11.81ft),  Average Daily Traffic: 200 (year 2018),  Average Future Daily Traffic: 200 (year 2040),  Design Load: H 15,  Features Intersected: DME RR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 17.730,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.7m (44.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 30.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  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: 13.00m (42.65ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $330,000,  Roadway Improvement Cost: $310,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete

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Structure Number: 209611,  Location: 074103202 (Lat: 41.172131,  Lng: -92.042525),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2040),  Design Load: HS 20,  Features Intersected: RICHLAND CREEK,  Facility Carried by Structure: 290TH AVE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.961,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 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: Equal to present desirable criteria,  Length Of Structure Improvement: 2.50m (8.20ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $180,000,  Roadway Improvement Cost: $50,000

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Structure Number: 336091,  Location: 074091801 (Lat: 41.222031,  Lng: -91.944700),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 140 (year 2018),  Truck Traffic: 14%,  Average Future Daily Traffic: 140 (year 2041),  Design Load: H 20,  Features Intersected: RICHLAND CR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.005,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 14.0m (45.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 24.4m (80.1ft),  Curb-To-Curb Width: 11.3m (37.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 77.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 30.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 8.20m (26.90ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 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: 336121,  Location: 074093004 (Lat: 41.178169,  Lng: -91.945325),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 0.88m (2.89ft),  Average Daily Traffic: 50 (year 2018),  Average Future Daily Traffic: 50 (year 2039),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.629,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.3m (14.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 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: 2.90m (9.51ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000