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


  • National Bridge Inventory (NBI) Statistics
  • 18Number of bridges
  • 95ft / 28.5mTotal length
  • 10,525Total average daily traffic
  • 920Total average daily truck traffic
  • 12,100Total future (year 2032) average daily traffic
  • National Bridge Inventory (NBI) Registered Bridges for Grand Ridge
  • No street view available for this location

New bridges in Grand Ridge, IL - historical statistics
  • New bridges - historical statistics
  • 11930-1939
  • 11950-1959
  • 41960-1969
  • 41970-1979
  • 41980-1989
  • 42010-2019
Reconstructed bridges in Grand Ridge, IL - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11970-1979
  • 01980-1989
  • 11990-1999
Average Bridge Daily Traffic in Grand Ridge, IL
Average Bridge Truck Traffic in Grand Ridge, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 29.4%Very good
  • 23.5%Good
  • 29.4%Satisfactory
  • 11.8%Fair
  • 5.9%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 29.4%Very good
  • 23.5%Good
  • 29.4%Satisfactory
  • 5.9%Fair
  • 5.9%Poor
  • 5.9%Serious
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 29.4%Very good
  • 29.4%Good
  • 17.6%Satisfactory
  • 23.5%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 33.3%Very good
  • 38.9%Good
  • 27.8%Satisfactory
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Structure Number: 500048,  Location: 4.95 MI S OF ILL 71 (Lat: 41.271575,  Lng: -88.836811),  Route carried "on" structure: State highway 23,  Year Built: 1960,  Year Reconstructed: 1996,  Status: Posted for load,  Structure Length: 3.12m (10.24ft),  Average Daily Traffic: 6,450 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 8,322 (year 2032),  Design Load: HS 20,  Features Intersected: COVEL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 58.643,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.5m (37.7ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 43.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 25.9 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: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up
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Structure Number: 50317,  Location: E 16TH N 2275 (Lat: 41.261881,  Lng: -88.856228),  Route carried "on" structure: County highway ,  Year Built: 1966,  Status: Open,  Structure Length: 1.27m (4.17ft),  Average Daily Traffic: 100 (year 2016),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 15,  Features Intersected: Covel Creek,  Facility Carried by Structure: TR-282
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.906,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Fair,  Superstructure: Serious,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 52.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 31.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 503174,  Location: E 18TH N 2330 (Lat: 41.270550,  Lng: -88.816906),  Route carried "on" structure: County highway ,  Year Built: 1930,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 100 (year 2016),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 20,  Features Intersected: BR COVEL CREEK,  Facility Carried by Structure: TR 310
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.993,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 53.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 32.1 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,  Waterway Adequacy: Better than present minimum 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: Bituminous
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Structure Number: 503183,  Location: E.19TH N.2360 (Lat: 41.273250,  Lng: -88.800069),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 0.95m (3.12ft),  Average Daily Traffic: 25 (year 2016),  Truck Traffic: 80%,  Average Future Daily Traffic: 56 (year 2032),  Design Load: H 20,  Features Intersected: BR COVEL CREEK,  Facility Carried by Structure: E 19TH
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.761,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 9.0m (29.5ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 33.4 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: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 503218,  Location: N 22ND E 1820 (Lat: 41.251869,  Lng: -88.810722),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 1.22m (4.00ft),  Average Daily Traffic: 75 (year 2016),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 15,  Features Intersected: TRIB COVEL CR,  Facility Carried by Structure: TR 441
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.156,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Good,  Operating Rating: 58.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.7 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: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503412,  Location: E 19TH N 2275 (Lat: 41.262964,  Lng: -88.799833),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 2.80m (9.19ft),  Average Daily Traffic: 50 (year 2016),  Truck Traffic: 40%,  Average Future Daily Traffic: 28 (year 2032),  Design Load: HS 15,  Features Intersected: COUEL CREEK,  Facility Carried by Structure: TR 322
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.904,  Lanes on structure: 2,  Owner: Town or Township 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: 11.6m (38.1ft),  Curb-To-Curb Width: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Satisfactory,  Operating Rating: 50.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 30.1 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: Equal to present minimum criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503413,  Location: E 20TH N 1810 (Lat: 41.195800,  Lng: -88.779561),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 25 (year 2016),  Truck Traffic: 40%,  Average Future Daily Traffic: 28 (year 2032),  Design Load: HS 15,  Features Intersected: WOLF CREEK,  Facility Carried by Structure: TR 332 B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.511,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  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: 7.4m (24.3ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 60.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.6 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: Equal to present minimum criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503415,  Location: N 23RD E 1825 (Lat: 41.266361,  Lng: -88.813261),  Route carried "on" structure: County highway ,  Year Built: 1971,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 50 (year 2016),  Average Future Daily Traffic: 56 (year 2032),  Design Load: HS 15,  Features Intersected: COVEL CREEK,  Facility Carried by Structure: TR 427
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.306,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 6.4m (21.0ft),  Out-to-Out Width: 6.7m (22.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 47.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 28.5 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503428,  Location: N 2250 E 1540 (Lat: 41.258783,  Lng: -88.867278),  Route carried "on" structure: County highway ,  Year Built: 1972,  Status: Temporarily open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 100 (year 2020),  Truck Traffic: 4%,  Average Future Daily Traffic: 168 (year 2032),  Design Load: HS 20,  Features Intersected: COVEL CREEK,  Facility Carried by Structure: TR-437
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.695,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 7.3m (24.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  Channel: Satisfactory,  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: 26.6 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: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 503455,  Location: E 18TH N2190 (Lat: 41.235881,  Lng: -88.816867),  Route carried "on" structure: County highway ,  Year Built: 1979,  Status: Temporarily open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 100 (year 2016),  Average Future Daily Traffic: 84 (year 2032),  Design Load: H 20,  Features Intersected: BR COVEL CREEK,  Facility Carried by Structure: TR 310
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.856,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.2m (17.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.3m (37.1ft),  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 6.9m (22.6ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  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 Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Wood or Timber
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Structure Number: 503509,  Location: N 18 TH E 1980 (Lat: 41.193778,  Lng: -88.783703),  Route carried "on" structure: County highway ,  Year Built: 1986,  Status: Open,  Structure Length: 1.77m (5.81ft),  Average Daily Traffic: 50 (year 2016),  Truck Traffic: 20%,  Average Future Daily Traffic: 56 (year 2032),  Design Load: HS 20,  Features Intersected: WOLF CR,  Facility Carried by Structure: TR 493
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.377,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 8.5m (27.9ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very 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 desirable criteria,  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 48 months,  Inspection Date: June 2018,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503515,  Location: N22ND E2010TH (Lat: 41.251775,  Lng: -88.778686),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 28 (year 2032),  Design Load: HS 20,  Features Intersected: BR. COVEL CREEK,  Facility Carried by Structure: TR441
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.844,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very 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,  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 48 months,  Inspection Date: June 2018,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503516,  Location: E 20TH N2260 (Lat: 41.260222,  Lng: -88.780383),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 1.58m (5.18ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 28 (year 2032),  Design Load: HS 20,  Features Intersected: BRANCH COVEL CREEK,  Facility Carried by Structure: TR 332B
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.350,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.9m (48.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: 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: 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: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503528,  Location: N22ND, E196TH (Lat: 41.251817,  Lng: -88.786539),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 75 (year 2016),  Average Future Daily Traffic: 84 (year 2032),  Design Load: HS 20,  Features Intersected: BR COVEL CREEK,  Facility Carried by Structure: TR 441
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.184,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.6m (15.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.4m (44.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very 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: 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: June 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503609,  Location: E 20th N 2210 (Lat: 41.253950,  Lng: -88.780261),  Route carried "on" structure: County highway ,  Year Built: 2014,  Status: Open,  Structure Length: 2.39m (7.84ft),  Average Daily Traffic: 25 (year 2016),  Average Future Daily Traffic: 28 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: Covel Creek,  Facility Carried by Structure: TR 332
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.042,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 2 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.0m (75.5ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Structural Evaluation: Better than 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 48 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 503613,  Location: 3 Mi. E. of Gr Ridge (Lat: 41.237381,  Lng: -88.773175),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 2.01m (6.59ft),  Average Daily Traffic: 1,600 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 1,410 (year 2035),  Design Load: HS 25 or greater,  Features Intersected: COVEL CREEK,  Facility Carried by Structure: CH 6 N21ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.311,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.0m (62.3ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  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: June 2017,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 503614,  Location: N 21ST E 1920 (Lat: 41.237356,  Lng: -88.796056),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 1.74m (5.71ft),  Average Daily Traffic: 1,600 (year 2020),  Truck Traffic: 8%,  Average Future Daily Traffic: 1,410 (year 2035),  Design Load: HS 25 or greater,  Features Intersected: COVEL CREEK,  Facility Carried by Structure: CH 6 N21ST RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.380,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.7m (35.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.2m (53.1ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  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: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 50362,  Location: E 19TH N 2095 (Lat: 41.236189,  Lng: -88.799281),  Route carried "on" structure: County highway ,  Year Built: 2016,  Status: Open,  Structure Length: 0.98m (3.22ft),  Average Daily Traffic: 50 (year 2016),  Truck Traffic: 40%,  Average Future Daily Traffic: 62 (year 2038),  Design Load: HS 25 or greater,  Features Intersected: COVEL CREEK,  Facility Carried by Structure: TR 322
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.881,  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: 4.8m (15.7ft),  Curb-To-Curb Width: 7.3m (24.0ft)

Condition: Channel: Good,  Culverts: Very good,  Operating Rating: 42.1 metric tons,  Method Used To Determine Operating Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Assigned ratings based on Load and Resistance Factor Design (LRFD) reported by rating factor (RF) using HL93 loadings,  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,  Designated Inspection Frequency: Every 48 months,  Inspection Date: July 2018,  Deck Structure Type: Concrete Cast-file-Place
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