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


  • National Bridge Inventory (NBI) Statistics
  • 17Number of bridges
  • 144ft / 43.7mTotal length
  • $160,000Total costs
  • 83,375Total average daily traffic
  • 15,597Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Congerville
  • No street view available for this location

New bridges in Congerville, IL - historical statistics
  • New bridges - historical statistics
  • 91960-1969
  • 21970-1979
  • 31980-1989
  • 32000-2009
Average Bridge Daily Traffic in Congerville, IL
Average Bridge Truck Traffic in Congerville, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 10.0%Good
  • 50.0%Satisfactory
  • 40.0%Fair
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 10.0%Good
  • 50.0%Satisfactory
  • 40.0%Fair
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 20.0%Very good
  • 30.0%Good
  • 20.0%Satisfactory
  • 20.0%Fair
  • 10.0%Poor
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 36.4%Good
  • 54.5%Satisfactory
  • 9.1%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 75.0%Good
  • 25.0%Fair
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Structure Number: 574019,  Location: 5.0 MI W CARLOCK (Lat: 40.580419,  Lng: -89.232808),  Route carried "on" structure: County highway ,  Year Built: 1978,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 25 (year 2020),  Average Future Daily Traffic: 32 (year 2032),  Design Load: HS 20,  Features Intersected: BRANCH ROCK CREEK,  Facility Carried by Structure: TR 149
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.078,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  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: 44.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020
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Structure Number: 574021,  Location: 2.0 MI NW CARLOCK (Lat: 40.594517,  Lng: -89.174189),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 100 (year 2020),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 20,  Features Intersected: ROCK CREEK,  Facility Carried by Structure: TR 56
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 7.6m (24.9ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 44.4 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: Somewhat better than minimum adequacy,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 574024,  Location: 5.0 MI WNW CARLOCK (Lat: 40.593153,  Lng: -89.221625),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 150 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 140 (year 2032),  Design Load: HS 20,  Features Intersected: ROCK CREEK,  Facility Carried by Structure: TR 36
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.225,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.1m (43.0ft),  Curb-To-Curb Width: 7.5m (24.6ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Good,  Operating Rating: 44.4 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: Equal to present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 574029,  Location: 5.5 MI W CARLOCK (Lat: 40.580525,  Lng: -89.221319),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 150 (year 2020),  Truck Traffic: 33%,  Average Future Daily Traffic: 140 (year 2032),  Design Load: HS 20,  Features Intersected: TRIB OF ROCK CREEK,  Facility Carried by Structure: TR 36
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.625,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.5m (11.5ft)

Condition: Channel: Fair,  Culverts: 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: March 2020
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Structure Number: 574099,  Location: 1.5 M NW OF CARLOCK (Lat: 40.588028,  Lng: -89.174039),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 100 (year 2020),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 15,  Features Intersected: ROCK CREEK,  Facility Carried by Structure: TR 56
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.885,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.3m (14.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 43.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 26.2 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020
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Structure Number: 1020003,  Location: 3.85 MI E OF ILL 117 (Lat: 40.609811,  Lng: -89.202981),  Route carried "on" structure: Interstate 74,  Year Built: 1964,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 13,450 (year 2021),  Truck Traffic: 19%,  Average Future Daily Traffic: 14,397 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: CONGERVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 189.656,  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: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 65.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.2 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,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 1020004,  Location: 3.85 MI E OF ILL 117 (Lat: 40.609811,  Lng: -89.202792),  Route carried "on" structure: Interstate 74,  Year Built: 1964,  Year Reconstructed: 1995,  Status: Open,  Structure Length: 3.54m (11.61ft),  Average Daily Traffic: 13,450 (year 2021),  Truck Traffic: 19%,  Average Future Daily Traffic: 14,397 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: CONGERVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 189.672,  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: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 11.9m (39.0ft),  Out-to-Out Width: 13.5m (44.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 65.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.2 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,  Underclear: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 1020034,  Location: 2.9 MI E OF ILL 117 (Lat: 40.609611,  Lng: -89.222081),  Route carried "on" structure: County highway ,  Year Built: 1964,  Status: Open,  Structure Length: 6.74m (22.11ft),  Average Daily Traffic: 325 (year 2020),  Truck Traffic: 9%,  Average Future Daily Traffic: 495 (year 2032),  Design Load: HS 15,  Features Intersected: I-74,  Facility Carried by Structure: COUNTY RD-TR 134
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.370,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.4m (66.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 9.2m (30.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Operating Rating: 46.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.9 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: Somewhat better than minimum adequacy,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 6.74m (22.11ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2019,  Bridge Improvement Cost: $133,000,  Roadway Improvement Cost: $7,000,  Total Project Cost: $160,000,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 1022003,  Location: .3 MI E CONGERVILLE (Lat: 40.609358,  Lng: -89.192483),  Route carried "on" structure: Interstate 74,  Year Built: 1965,  Status: Open,  Structure Length: 0.69m (2.26ft),  Average Daily Traffic: 26,900 (year 2021),  Truck Traffic: 19%,  Average Future Daily Traffic: 28,794 (year 2032),  Design Load: H 20,  Features Intersected: ROCK CREEK TRIBUTARY
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 190.557,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Fair,  Operating Rating: 44.1 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020
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Structure Number: 1023017,  Location: 3 MI N CONGERVILLE (Lat: 40.660267,  Lng: -89.197561),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 13.20m (43.31ft),  Average Daily Traffic: 550 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 659 (year 2032),  Design Load: HS 15,  Features Intersected: Mackinaw River,  Facility Carried by Structure: FAS-1359 (CH8)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.801,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Deck: Fair,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 42.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 25.6 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete
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Structure Number: 1023109,  Location: 75 N 1850 E (Lat: 40.599439,  Lng: -89.183844),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Posted for load,  Structure Length: 2.47m (8.10ft),  Average Daily Traffic: 100 (year 2020),  Average Future Daily Traffic: 110 (year 2032),  Design Load: HS 15,  Features Intersected: Rock Creek,  Facility Carried by Structure: TR 271
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.593,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.1m (29.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Poor,  Channel: Good,  Operating Rating: 38.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Meets minimum limits,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 30.0 - 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 1023171,  Location: 340 N 2050 E (Lat: 40.639083,  Lng: -89.145953),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 0.99m (3.25ft),  Average Daily Traffic: 75 (year 2020),  Average Future Daily Traffic: 82 (year 2032),  Design Load: HS 20,  Features Intersected: VINCENT RUN,  Facility Carried by Structure: TR168A (Denman Rd)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.016,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.9m (32.5ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  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: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 1023188,  Location: .11 MI N TR 271 (Lat: 40.600958,  Lng: -89.187256),  Route carried "on" structure: County highway ,  Year Built: 2003,  Status: Open,  Structure Length: 1.86m (6.10ft),  Average Daily Traffic: 50 (year 2020),  Average Future Daily Traffic: 55 (year 2032),  Design Load: HS 20,  Features Intersected: ROCK CREEK,  Facility Carried by Structure: TR 150A
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.933,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 18.6m (61.0ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  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 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: Equal to present minimum criteria,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 1023191,  Location: .3 MIL S OF CONGERVL (Lat: 40.608561,  Lng: -89.202967),  Route carried "on" structure: County highway ,  Year Built: 2001,  Status: Open,  Structure Length: 2.98m (9.78ft),  Average Daily Traffic: 350 (year 2020),  Truck Traffic: 10%,  Average Future Daily Traffic: 495 (year 2032),  Design Load: HS 20,  Features Intersected: ROCK CREEK,  Facility Carried by Structure: FAS 360
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.046,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.5m (37.7ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 52.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 31.1 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: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel,  Membrane: Built-up
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Structure Number: 1020003,  Location: 3.85 MI E OF ILL 117 (Lat: 40.609675,  Lng: -89.202981),  Route carried "under" structure: County highway ,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 350 (year 2020),  Truck Traffic: 10%,  Features Intersected: CONGERVILLE ROAD,  Facility Carried by Structure: EB I-74
Minimum Vertical Clearance: 4.47m (14.67ft),  Kilometerpoint: 0.917,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 13.4m (44.0ft)

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Structure Number: 1020004,  Location: 3.85 MI E OF ILL 117 (Lat: 40.609933,  Lng: -89.202986),  Route carried "under" structure: County highway ,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 350 (year 2020),  Truck Traffic: 10%,  Features Intersected: CONGERVILLE ROAD,  Facility Carried by Structure: WB I-74
Minimum Vertical Clearance: 4.47m (14.67ft),  Kilometerpoint: 0.885,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Length of Maximum Span: 13.4m (44.0ft)

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Structure Number: 1020034,  Location: 2.9 MI E OF ILL 117 (Lat: 40.609611,  Lng: -89.222081),  Route carried "under" structure: Interstate 74,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 26,900 (year 2021),  Truck Traffic: 19%,  Features Intersected: I-74,  Facility Carried by Structure: COUNTY RD-TR 134
Minimum Vertical Clearance: 4.83m (15.85ft),  Kilometerpoint: 188.063,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.4m (66.9ft)

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