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Bridge Statistics for Okawville, Illinois (IL)
Condition, Traffic, Stress, Structural Evaluation, Project Costs


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 115ft / 34.6mTotal length
  • 93,825Total average daily traffic
  • 24,017Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Okawville
  • No street view available for this location

New bridges in Okawville, IL - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 21960-1969
  • 51970-1979
  • 21980-1989
  • 12000-2009
Average Bridge Daily Traffic in Okawville, IL
Average Bridge Truck Traffic in Okawville, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 22.2%Very good
  • 55.6%Good
  • 22.2%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 33.3%Very good
  • 33.3%Good
  • 22.2%Satisfactory
  • 11.1%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 11.1%Very good
  • 55.6%Good
  • 33.3%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 14.3%Very good
  • 85.7%Good
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Structure Number: 950016,  Location: 1 MI W OF I-64 (Lat: 38.435950,  Lng: -89.546844),  Route carried "on" structure: State highway 177,  Year Built: 1936,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 3.57m (11.71ft),  Average Daily Traffic: 3,900 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 3,494 (year 2032),  Design Load: HS 20,  Features Intersected: PLUM CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 41.327,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 4 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.9m (39.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 8.9m (29.2ft),  Out-to-Out Width: 11.2m (36.7ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 74.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 47.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Other Special Inspection Date: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 950038,  Location: E EDGE OKAWVILLE (Lat: 38.439428,  Lng: -89.530733),  Route carried "on" structure: State highway 177,  Year Built: 1970,  Status: Open,  Structure Length: 5.99m (19.65ft),  Average Daily Traffic: 3,600 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 3,494 (year 2032),  Design Load: HS 20,  Features Intersected: FAI 64
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 42.840,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.6m (47.9ft),  Skew: 32 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 29.7m (97.4ft),  Curb-To-Curb Width: 14.5m (47.6ft),  Out-to-Out Width: 20.7m (67.9ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Satisfactory,  Operating Rating: 62.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 950043,  Location: 1.25M NW OKAWVILLE (Lat: 38.457211,  Lng: -89.563419),  Route carried "on" structure: Interstate 64,  Year Built: 1969,  Status: Open,  Structure Length: 4.68m (15.35ft),  Average Daily Traffic: 14,750 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 10,750 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: PLUM CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.829,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.4m (50.5ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 86.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 53.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Underwater Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 950044,  Location: 1.25 NW OKAWVILLE (Lat: 38.457125,  Lng: -89.563269),  Route carried "on" structure: Interstate 64,  Year Built: 1969,  Status: Open,  Structure Length: 4.68m (15.35ft),  Average Daily Traffic: 14,750 (year 2021),  Truck Traffic: 26%,  Average Future Daily Traffic: 10,750 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: PLUM CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.845,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 15.4m (50.5ft),  Curb-To-Curb Width: 12.0m (39.4ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 86.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 53.5 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Underwater Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 950045,  Location: 0.75 NW OKAWVILLE (Lat: 38.448522,  Lng: -89.546489),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 6.85m (22.47ft),  Average Daily Traffic: 325 (year 2019),  Truck Traffic: 18%,  Average Future Daily Traffic: 215 (year 2032),  Design Load: HS 15,  Features Intersected: FAI 64,  Facility Carried by Structure: Waterworks Rd - TR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.219,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.1m (26.6ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Number Of Approach Spans: 2,  Length of Maximum Span: 33.9m (111.2ft),  Curb-To-Curb Width: 8.1m (26.6ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 54.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 950077,  Location: 2.7MI W ADDIEVILLE (Lat: 38.413914,  Lng: -89.533125),  Route carried "on" structure: State highway 160,  Year Built: 2009,  Status: Open,  Structure Length: 1.95m (6.40ft),  Average Daily Traffic: 1,000 (year 2021),  Truck Traffic: 12%,  Average Future Daily Traffic: 1,021 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: PLUM CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.079,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.4m (60.4ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 82.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 49.6 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: January 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 953127,  Location: 3 MI NW OF OKAWVILLE (Lat: 38.462656,  Lng: -89.559697),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Open,  Structure Length: 3.32m (10.89ft),  Average Daily Traffic: 25 (year 2019),  Truck Traffic: 20%,  Average Future Daily Traffic: 27 (year 2032),  Design Load: HS 15,  Features Intersected: PLUM CREEK,  Facility Carried by Structure: TR 62
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.848,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 953156,  Location: 2 MI S OF OKAWVILLE (Lat: 38.392811,  Lng: -89.557361),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 300 (year 2019),  Truck Traffic: 8%,  Average Future Daily Traffic: 349 (year 2032),  Design Load: HS 20,  Features Intersected: BR OF WEAVER CREEK,  Facility Carried by Structure: CO HWY NO 6
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 12.826,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.8m (25.6ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 95316,  Location: 0.25 MI E OKAWVILLE (Lat: 38.429042,  Lng: -89.539914),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 2.65m (8.69ft),  Average Daily Traffic: 375 (year 2019),  Truck Traffic: 9%,  Average Future Daily Traffic: 403 (year 2032),  Design Load: HS 20,  Features Intersected: PLUM CREEK,  Facility Carried by Structure: TR 59
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.193,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned rating based on Load Factor Design (LFD) reported by rating factor (RF) using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: May 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 950038,  Location: E EDGE OKAWVILLE (Lat: 38.439650,  Lng: -89.530319),  Route carried "under" structure: Interstate 64,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 25,300 (year 2021),  Truck Traffic: 31%,  Features Intersected: FAI 64,  Facility Carried by Structure: ILL 177
Minimum Vertical Clearance: 5.13m (16.83ft),  Kilometerpoint: 65.305,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 29.7m (97.4ft)

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Structure Number: 950045,  Location: 0.75 NW OKAWVILLE (Lat: 38.448200,  Lng: -89.546469),  Route carried "under" structure: Interstate 64,  Year Built: 1970,  Structure Length: 0. m,  Average Daily Traffic: 29,500 (year 2021),  Truck Traffic: 26%,  Features Intersected: FAI 64,  Facility Carried by Structure: Waterworks Rd - TR
Minimum Vertical Clearance: 5.08m (16.67ft),  Kilometerpoint: 63.600,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 33.9m (111.2ft)

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