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


  • National Bridge Inventory (NBI) Statistics
  • 14Number of bridges
  • 135ft / 40.8mTotal length
  • 114,200Total average daily traffic
  • 41,057Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Bonnie
  • No street view available for this location

New bridges in Bonnie, IL - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 51960-1969
  • 11970-1979
  • 11980-1989
  • 12000-2009
  • 22010-2019
  • 32020-2022
Reconstructed bridges in Bonnie, IL - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11940-1949
  • 01950-1959
  • 01960-1969
  • 01970-1979
  • 01980-1989
  • 01990-1999
  • 02000-2009
  • 12010-2019
Average Bridge Daily Traffic in Bonnie, IL
Average Bridge Truck Traffic in Bonnie, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 20.0%Excellent
  • 50.0%Very good
  • 20.0%Good
  • 10.0%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 30.0%Excellent
  • 30.0%Very good
  • 10.0%Good
  • 20.0%Satisfactory
  • 10.0%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 30.0%Excellent
  • 30.0%Very good
  • 10.0%Good
  • 20.0%Satisfactory
  • 10.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 16.7%Excellent
  • 25.0%Very good
  • 41.7%Good
  • 8.3%Satisfactory
  • 8.3%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 33.3%Very good
  • 66.7%Good
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Structure Number: 410035,  Location: 5.2 MI S ILL-148 (Lat: 38.225261,  Lng: -88.903089),  Route carried "on" structure: State highway 37,  Year Built: 1921,  Year Reconstructed: 1951,  Status: Temporarily open,  Structure Length: 0.94m (3.08ft),  Average Daily Traffic: 4,300 (year 2021),  Truck Traffic: 6%,  Average Future Daily Traffic: 3,647 (year 2032),  Design Load: HS 20,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 143.099,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 8.9m (29.2ft),  Curb-To-Curb Width: 11.2m (36.7ft),  Out-to-Out Width: 12.3m (40.4ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Fair,  Channel: Fair,  Operating Rating: 25.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 15.2 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 6 months,  Inspection Date: July 2021,  Other Special Inspection Date: January 2022,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 410054,  Location: BONNIE (Lat: 38.205492,  Lng: -88.911244),  Route carried "on" structure: County highway ,  Year Built: 1964,  Year Reconstructed: 2018,  Status: Open,  Structure Length: 6.84m (22.44ft),  Average Daily Traffic: 550 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 497 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: FAI-57,  Facility Carried by Structure: FAS-2830(CH-13)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 8.433,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 20.5m (67.3ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Very good,  Operating Rating: 55.7 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 42.8 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 41011,  Location: 8 MI S IL 148 (Lat: 38.186044,  Lng: -88.903553),  Route carried "on" structure: State highway 37,  Year Built: 2020,  Status: Open,  Structure Length: 4.39m (14.40ft),  Average Daily Traffic: 3,800 (year 2021),  Truck Traffic: 8%,  Average Future Daily Traffic: 3,149 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ATCHISON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 138.754,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 23.0m (75.5ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Deck: Very good,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Good,  Operating Rating: 64.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 49.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 410111,  Location: 2 MI N INA INT (Lat: 38.186139,  Lng: -88.904072),  Route carried "on" structure: Interstate 57,  Year Built: 2021,  Status: Open,  Structure Length: 3.89m (12.76ft),  Average Daily Traffic: 19,950 (year 2021),  Truck Traffic: 40%,  Average Future Daily Traffic: 15,581 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ATCHISON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 136.662,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Material/Design: Concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.1m (62.7ft),  Curb-To-Curb Width: 20.3m (66.6ft),  Out-to-Out Width: 21.2m (69.6ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 54.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 41.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 410112,  Location: 2 MI N INA INT (Lat: 38.186281,  Lng: -88.904072),  Route carried "on" structure: Interstate 57,  Year Built: 2021,  Status: Open,  Structure Length: 3.89m (12.76ft),  Average Daily Traffic: 19,950 (year 2021),  Truck Traffic: 40%,  Average Future Daily Traffic: 15,581 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: ATCHISON CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 136.678,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.3m (37.1ft),  Material/Design: Concrete continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 19.1m (62.7ft),  Curb-To-Curb Width: 20.3m (66.6ft),  Out-to-Out Width: 21.2m (69.6ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Excellent,  Operating Rating: 54.8 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 41.5 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Superior to present desirable criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: May 2021,  Underwater Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 412008,  Location: 1 MI N BONNIE (Lat: 38.223825,  Lng: -88.905981),  Route carried "on" structure: Interstate 57,  Year Built: 1967,  Status: Open,  Structure Length: 0.87m (2.85ft),  Average Daily Traffic: 19,950 (year 2021),  Truck Traffic: 40%,  Average Future Daily Traffic: 15,581 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: STREAM
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 141.039,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 23.2m (76.1ft),  Skew: 12 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.2m (10.5ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 97.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 97.2 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,  Waterway Adequacy: Equal to present desirable 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: 412019,  Location: Bonnie (Lat: 38.197808,  Lng: -88.903361),  Route carried "on" structure: State highway 37,  Year Built: 2013,  Status: Open,  Structure Length: 0.76m (2.49ft),  Average Daily Traffic: 3,800 (year 2021),  Truck Traffic: 8%,  Average Future Daily Traffic: 4,150 (year 2035),  Design Load: HS 20+Mod,  Features Intersected: Stream
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 140.041,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.2m (10.5ft),  Curb-To-Curb Width: 11.0m (36.1ft),  Out-to-Out Width: 11.9m (39.0ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 80.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 48.0 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 desirable 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 48 months,  Inspection Date: August 2019
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Structure Number: 41304,  Location: 1 MI W BONNIE (Lat: 38.198603,  Lng: -88.932228),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 6.04m (19.82ft),  Average Daily Traffic: 450 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 497 (year 2032),  Design Load: HS 15,  Features Intersected: CASEY FORK CREEK,  Facility Carried by Structure: FAS 2830 CH 13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.890,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 50.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 30.5 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: 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: September 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 413041,  Location: 1 MI W BONNIE (Lat: 38.198628,  Lng: -88.924842),  Route carried "on" structure: County highway ,  Year Built: 1968,  Status: Open,  Structure Length: 6.46m (21.19ft),  Average Daily Traffic: 450 (year 2021),  Truck Traffic: 9%,  Average Future Daily Traffic: 497 (year 2032),  Design Load: HS 15,  Features Intersected: CASEY FORK,  Facility Carried by Structure: FAS 2830 CH 13
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.534,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 6,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 7.1m (23.3ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Good,  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: 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,  Inspection Date: September 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 413655,  Location: 1.5 MI E BONNIE (Lat: 38.212719,  Lng: -88.869811),  Route carried "on" structure: County highway ,  Year Built: 1988,  Status: Open,  Structure Length: 1.87m (6.14ft),  Average Daily Traffic: 350 (year 2021),  Truck Traffic: 14%,  Average Future Daily Traffic: 359 (year 2032),  Design Load: HS 20,  Features Intersected: TRIB ATCHISON CREEK,  Facility Carried by Structure: TR-362
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.209,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 4.9m (16.1ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 17.7m (58.1ft),  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: 44.4 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: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2019,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 413705,  Location: 1.5 MI E BONNIE (Lat: 38.201883,  Lng: -88.870056),  Route carried "on" structure: County highway ,  Year Built: 2000,  Status: Open,  Structure Length: 2.21m (7.25ft),  Average Daily Traffic: 350 (year 2021),  Truck Traffic: 14%,  Average Future Daily Traffic: 359 (year 2032),  Design Load: HS 20,  Features Intersected: ATCHISON CREEK,  Facility Carried by Structure: TR 362
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.416,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 1 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very 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 desirable criteria,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2018,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 413754,  Location: 2.5 Mi. E. of Bonnie (Lat: 38.202972,  Lng: -88.851750),  Route carried "on" structure: County highway ,  Year Built: 2015,  Status: Open,  Structure Length: 1.69m (5.54ft),  Average Daily Traffic: 50 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 75 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: ATCHISON CREEK,  Facility Carried by Structure: N REARDON LA
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.287,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.2m (20.3ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 16.1m (52.8ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

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: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 415002,  Location: 0.5 MI S BONNIE (Lat: 38.184025,  Lng: -88.902108),  Route carried "on" structure: County highway ,  Year Built: 1975,  Status: Open,  Structure Length: 0.91m (2.99ft),  Average Daily Traffic: 350 (year 2021),  Truck Traffic: 20%,  Average Future Daily Traffic: 359 (year 2032),  Features Intersected: TRIB ATCHISON CREEK,  Facility Carried by Structure: TR-485
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.129,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.5m (14.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 40.5 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 24.3 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  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 48 months,  Inspection Date: January 2019
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Structure Number: 410054,  Location: BONNIE (Lat: 38.205514,  Lng: -88.910942),  Route carried "under" structure: Interstate 57,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 39,900 (year 2021),  Truck Traffic: 40%,  Features Intersected: FAI-57,  Facility Carried by Structure: FAS-2830(CH-13)
Minimum Vertical Clearance: 5.28m (17.32ft),  Kilometerpoint: 138.947,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 20.5m (67.3ft)

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