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


  • National Bridge Inventory (NBI) Statistics
  • 23Number of bridges
  • 125ft / 38.0mTotal length
  • 98,830Total average daily traffic
  • 6,302Total average daily truck traffic
  • 98,830Total future (year 2038) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Keota
  • No street view available for this location

New bridges in Keota, IA - historical statistics
  • New bridges - historical statistics
  • 11900-1909
  • 21920-1929
  • 21940-1949
  • 31950-1959
  • 71960-1969
  • 21970-1979
  • 51990-1999
  • 12000-2009
Reconstructed bridges in Keota, IA - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11960-1969
  • 01970-1979
  • 31980-1989
  • 21990-1999
  • 12000-2009
Average Bridge Daily Traffic in Keota, IA
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 18.8%Good
  • 50.0%Satisfactory
  • 12.5%Fair
  • 18.8%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 18.8%Good
  • 50.0%Satisfactory
  • 18.8%Fair
  • 6.3%Poor
  • 6.3%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 6.3%Very good
  • 31.3%Good
  • 6.3%Satisfactory
  • 43.8%Fair
  • 12.5%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 4.8%Very good
  • 23.8%Good
  • 57.1%Satisfactory
  • 14.3%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 14.3%Very good
  • 28.6%Good
  • 57.1%Satisfactory
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Structure Number: 4221,  Location: 2.1 MI E OF W JCT I-35/80 (Lat: 41.592972,  Lng: -93.735789),  Route carried "on" structure: Interstate 235,  Year Built: 1968,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 5.58m (18.31ft),  Average Daily Traffic: 42,050 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 42,050 (year 2040),  Design Load: HS 20,  Features Intersected: 22ND ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.348,  Lanes on structure: 3,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 16.0m (52.5ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 22.3m (73.2ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Operating Rating: 65.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 39.3 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 4223,  Location: 1.3 mi. W of Jct. IA #28 (Lat: 41.593458,  Lng: -93.727061),  Route carried "on" structure: Interstate 235,  Year Built: 1967,  Year Reconstructed: 2004,  Status: Open,  Structure Length: 4.42m (14.50ft),  Average Daily Traffic: 49,700 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 49,700 (year 2040),  Design Load: HS 20,  Features Intersected: 17TH ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 18.619,  Lanes on structure: 4,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 19.8m (65.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 17.4m (57.1ft),  Curb-To-Curb Width: 19.4m (63.6ft),  Out-to-Out Width: 20.4m (66.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 69.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 41.8 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Low Slump Concrete
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Structure Number: 5178,  Location: 0.5 MI. E Jct. SR V15 (Lat: 41.337444,  Lng: -91.936464),  Route carried "on" structure: State highway 92,  Year Built: 1923,  Year Reconstructed: 1968,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 1,680 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,680 (year 2041),  Design Load: H 20,  Features Intersected: DUTCH CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 349.315,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 20.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 5179,  Location: 3.3 mi. W of Jct. SR W38 (Lat: 41.336936,  Lng: -91.892847),  Route carried "on" structure: State highway 92,  Year Built: 1968,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 1,680 (year 2020),  Truck Traffic: 18%,  Average Future Daily Traffic: 1,680 (year 2041),  Design Load: H 20,  Features Intersected: DRAINAGE DITCH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 352.966,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 83.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 50.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021
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Structure Number: 21121,  Location: 076101101 (Lat: 41.410333,  Lng: -91.972556),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Posted for load,  Structure Length: 0.73m (2.40ft),  Average Daily Traffic: 80 (year 2018),  Average Future Daily Traffic: 80 (year 2040),  Design Load: H 15,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.155,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Steel,  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: 7.9m (25.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Poor,  Channel: Fair,  Operating Rating: 37.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 26.3 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: Better than present minimum criteria,  Length Of Structure Improvement: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $90,000,  Roadway Improvement Cost: $40,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 21122,  Location: 076101104 (Lat: 41.406494,  Lng: -91.985361),  Route carried "on" structure: County highway ,  Year Built: 1968,  Year Reconstructed: 1992,  Status: Open,  Structure Length: 0.61m (2.00ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 10 (year 2040),  Design Load: H 15,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.507,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.1m (20.0ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 6.1m (20.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Inventory Rating: 69.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 21123,  Location: 076101401 (Lat: 41.395753,  Lng: -91.973381),  Route carried "on" structure: County highway ,  Year Built: 1952,  Year Reconstructed: 1988,  Status: Posted for load,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2040),  Design Load: HS 20,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 33.685,  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,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 7.0m (23.0ft),  Out-to-Out Width: 7.2m (23.6ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 23.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 13.9 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 minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 4.50m (14.76ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 21124,  Location: 076101502 (Lat: 41.392361,  Lng: -92.005094),  Route carried "on" structure: County highway ,  Year Built: 1948,  Year Reconstructed: 1994,  Status: Posted for load-capacity,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 30 (year 2018),  Average Future Daily Traffic: 30 (year 2040),  Design Load: H 15,  Features Intersected: STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.876,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 34.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to 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: 3.50m (11.48ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $70,000,  Roadway Improvement Cost: $25,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 211291,  Location: 076102301 (Lat: 41.381206,  Lng: -91.969142),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 90 (year 2018),  Average Future Daily Traffic: 90 (year 2038),  Design Load: HS 20,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.805,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 4 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: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: 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: 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: 12.00m (39.37ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2018,  Bridge Improvement Cost: $270,000,  Roadway Improvement Cost: $70,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 21131,  Location: 076102402 (Lat: 41.379042,  Lng: -91.965969),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 410 (year 2018),  Truck Traffic: 19%,  Average Future Daily Traffic: 410 (year 2040),  Design Load: H 20,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 13.378,  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: 24.4m (80.1ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Poor,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 62.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 9.00m (29.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $240,000,  Roadway Improvement Cost: $100,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 211361,  Location: 076103301 (Lat: 41.351967,  Lng: -92.006486),  Route carried "on" structure: County highway ,  Year Built: 1990,  Status: Posted for load,  Structure Length: 1.22m (4.00ft),  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: 30.277,  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,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 7.6m (24.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 30.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 18.1 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: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 10.0 - 19.9% below),  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $20,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 211381,  Location: 076103601 (Lat: 41.352086,  Lng: -91.957217),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 40 (year 2018),  Average Future Daily Traffic: 40 (year 2040),  Design Load: H 15,  Features Intersected: CROOKED CREEK,  Facility Carried by Structure: LOCAL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 34.398,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.0m (23.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 6.8m (22.3ft),  Out-to-Out Width: 7.7m (25.3ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 38.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 29.6 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: Better than present minimum criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Bridge Improvement Cost: $80,000,  Roadway Improvement Cost: $30,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 336691,  Location: 075090604 (Lat: 41.330064,  Lng: -91.931281),  Route carried "on" structure: County highway ,  Year Built: 1997,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 70 (year 2018),  Average Future Daily Traffic: 70 (year 2039),  Design Load: HS 20,  Features Intersected: DUTCH CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 14.692,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 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: 2.50m (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: 3367,  Location: 075091804 (Lat: 41.308006,  Lng: -91.931792),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 1.07m (3.51ft),  Average Daily Traffic: 45 (year 2018),  Average Future Daily Traffic: 45 (year 2041),  Design Load: H 15,  Features Intersected: DUTCH CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.268,  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,  Length of Maximum Span: 10.1m (33.1ft),  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: 6.5m (21.3ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Satisfactory,  Operating Rating: 44.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 26.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Meets minimum limits,  Length Of Structure Improvement: 7.50m (24.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $214,000,  Roadway Improvement Cost: $21,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 33722,  Location: 076090802 (Lat: 41.399014,  Lng: -91.927333),  Route carried "on" structure: County highway ,  Year Built: 1928,  Status: Posted for load-capacity,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 60 (year 2018),  Average Future Daily Traffic: 60 (year 2041),  Design Load: H 15,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 22.339,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 6.1m (20.0ft),  Out-to-Out Width: 7.0m (23.0ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 30.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 16.2 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: 5.50m (18.04ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $157,000,  Roadway Improvement Cost: $16,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete
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Structure Number: 337261,  Location: 076091602 (Lat: 41.382958,  Lng: -91.907742),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 1.34m (4.40ft),  Average Daily Traffic: 40 (year 2018),  Average Future Daily Traffic: 40 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.600,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.2m (40.0ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 26.9 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 18.0 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 4.40m (14.44ft),  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: 33727,  Location: 076091701 (Lat: 41.395911,  Lng: -91.925719),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 15 (year 2018),  Average Future Daily Traffic: 15 (year 2041),  Design Load: H 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: LOCAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.733,  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: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 30.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 22.7 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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: 2.60m (8.53ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $15,000,  Roadway Improvement Cost: $2,000
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Structure Number: 337281,  Location: 076091904 (Lat: 41.372208,  Lng: -91.946672),  Route carried "on" structure: County highway ,  Year Built: 1998,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 930 (year 2018),  Average Future Daily Traffic: 930 (year 2039),  Design Load: HS 20,  Features Intersected: W FORK CROOKED CR,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 11.270,  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: 3,  Length of Maximum Span: 3.7m (12.1ft)

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: Equal to present desirable criteria,  Length Of Structure Improvement: 4.00m (13.12ft),  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: 33729,  Location: 076092004 (Lat: 41.371664,  Lng: -91.927136),  Route carried "on" structure: County highway ,  Year Built: 1901,  Status: Temporarily open,  Structure Length: 1.83m (6.00ft),  Average Daily Traffic: 10 (year 2018),  Average Future Daily Traffic: 10 (year 2041),  Features Intersected: WEST FORK CROOKED CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 19.302,  Lanes on structure: 1,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  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: 4.1m (13.5ft),  Out-to-Out Width: 4.3m (14.1ft)

Condition: Deck: Satisfactory,  Superstructure: Serious,  Substructure: Fair,  Channel: Good,  Structural Evaluation: High priority of replacement,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Meets minimum limits,  Approach Roadway Alignment: Somewhat better than minimum adequacy,  Length Of Structure Improvement: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $264,000,  Roadway Improvement Cost: $27,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 337301,  Location: 076092101 (Lat: 41.381108,  Lng: -91.907178),  Route carried "on" structure: County highway ,  Year Built: 2009,  Status: Open,  Structure Length: 1.04m (3.41ft),  Average Daily Traffic: 810 (year 2018),  Average Future Daily Traffic: 810 (year 2038),  Design Load: HS 20,  Features Intersected: SMALL STREAM,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.244,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.4m (11.2ft)

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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2018
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Structure Number: 337351,  Location: 076092702 (Lat: 41.361897,  Lng: -91.888053),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 2.50m (8.20ft),  Average Daily Traffic: 40 (year 2018),  Average Future Daily Traffic: 40 (year 2041),  Design Load: H 20,  Features Intersected: W. FORK CROOKED CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.398,  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: 24.4m (80.1ft),  Curb or Sidewalk Widths: Left: 0.3m (1.0ft),  Right: 0.3m (1.0ft),  Curb-To-Curb Width: 8.6m (28.2ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Good,  Operating Rating: 62.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 24.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum 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: 33736,  Location: 076092801 (Lat: 41.366411,  Lng: -91.902206),  Route carried "on" structure: County highway ,  Year Built: 1949,  Year Reconstructed: 2000,  Status: Posted for load,  Structure Length: 1.43m (4.69ft),  Average Daily Traffic: 25 (year 2018),  Average Future Daily Traffic: 25 (year 2040),  Features Intersected: WEST FORK CROOKED CREEK,  Facility Carried by Structure: LOCAL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.722,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Wood or Timber,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 7.0m (23.0ft),  Curb-To-Curb Width: 5.3m (17.4ft),  Out-to-Out Width: 5.4m (17.7ft)

Condition: Deck: Poor,  Superstructure: Fair,  Substructure: Fair,  Channel: Fair,  Operating Rating: 29.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 23.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Meets minimum limits,  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: 10.00m (32.81ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2020,  Bridge Improvement Cost: $264,000,  Roadway Improvement Cost: $26,000,  Deck Structure Type: Wood or Timber,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 33737,  Location: 076093102 (Lat: 41.344492,  Lng: -91.946892),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 970 (year 2018),  Truck Traffic: 12%,  Average Future Daily Traffic: 970 (year 2041),  Design Load: H 20,  Features Intersected: DUTCH CREEK,  Facility Carried by Structure: FM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.449,  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: Satisfactory,  Culverts: Satisfactory,  Operating Rating: 71.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.0 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: 5.00m (16.40ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $203,000,  Roadway Improvement Cost: $20,000
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