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


  • National Bridge Inventory (NBI) Statistics
  • 35Number of bridges
  • 262ft / 79.6mTotal length
  • $377,000Total costs
  • 69,575Total average daily traffic
  • 5,303Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Byron
  • No street view available for this location

New bridges in Byron, IL - historical statistics
  • New bridges - historical statistics
  • 11920-1929
  • 31930-1939
  • 21940-1949
  • 41950-1959
  • 71960-1969
  • 21970-1979
  • 81980-1989
  • 71990-1999
  • 12020-2022
Reconstructed bridges in Byron, IL - Historical Statistics
  • Reconstructed bridges - Historical Statistics
  • 11980-1989
  • 11990-1999
  • 02000-2009
  • 22010-2019
Average Bridge Daily Traffic in Byron, IL
Average Bridge Truck Traffic in Byron, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 4.5%Excellent
  • 18.2%Very good
  • 18.2%Good
  • 27.3%Satisfactory
  • 22.7%Fair
  • 9.1%Poor
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 4.5%Excellent
  • 22.7%Very good
  • 18.2%Good
  • 22.7%Satisfactory
  • 22.7%Fair
  • 9.1%Poor
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 4.5%Excellent
  • 50.0%Very good
  • 22.7%Good
  • 22.7%Satisfactory
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 26.7%Very good
  • 53.3%Good
  • 13.3%Satisfactory
  • 6.7%Fair
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 55.6%Good
  • 44.4%Satisfactory
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Structure Number: 210024,  Location: ARCOLA (Lat: 39.680878,  Lng: -88.292069),  Route carried "on" structure: State highway 133,  Year Built: 1968,  Year Reconstructed: 2010,  Status: Open,  Structure Length: 6.82m (22.38ft),  Average Daily Traffic: 3,450 (year 2021),  Truck Traffic: 15%,  Average Future Daily Traffic: 4,410 (year 2032),  Design Load: HS 20,  Features Intersected: I-57
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 30.432,  Lanes on structure: 2,  Lanes under structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Skew: 30 degrees,  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: 11.7m (38.4ft),  Out-to-Out Width: 17.6m (57.7ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Good,  Operating Rating: 76.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 46.0 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: Meets minimum limits,  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: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 210058,  Location: 2.5 MI W OF NEWMAN (Lat: 39.806728,  Lng: -88.029322),  Route carried "on" structure: County highway ,  Year Built: 1992,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 100 (year 2017),  Truck Traffic: 12%,  Average Future Daily Traffic: 105 (year 2032),  Design Load: HS 20+Mod,  Features Intersected: STREAM,  Facility Carried by Structure: CH 3
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.456,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.8m (42.0ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 59.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.9 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: 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: January 2020,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Gravel
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Structure Number: 710022,  Location: AT WEST EDGE BYRON (Lat: 42.125833,  Lng: -89.278892),  Route carried "on" structure: State highway 2,  Year Built: 1924,  Year Reconstructed: 1989,  Status: Open,  Structure Length: 3.47m (11.38ft),  Average Daily Traffic: 6,600 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 9,500 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: MILL CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 61.363,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.6m (38.1ft),  Curb-To-Curb Width: 12.3m (40.4ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 71.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.8 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 desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 71004,  Location: E. EDGE OF BYRON (Lat: 42.122931,  Lng: -89.255769),  Route carried "on" structure: State highway 72,  Year Built: 1940,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 21.70m (71.19ft),  Average Daily Traffic: 6,800 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 12,200 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: ROCK RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.226,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Navigation Control: Yes ( Vertical Clearance: 5.5m (18.0ft), Horizontal Clearance: 23.2m (76.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 10,  Length of Maximum Span: 23.8m (78.1ft),  Curb or Sidewalk Widths: Left: 3.7m (12.1ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 13.9m (45.6ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  Channel: Good,  Operating Rating: 64.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.2 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,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: August 2020,  Underwater Inspection Date: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 710084,  Location: 2 MI. E. OF BYRON (Lat: 42.112247,  Lng: -89.214453),  Route carried "on" structure: State highway 72,  Year Built: 1994,  Status: Open,  Structure Length: 2.47m (8.10ft),  Average Daily Traffic: 3,350 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 4,900 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: BLACK WALNUT CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 54.153,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 23.9m (78.4ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Fair,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 82.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 48.6 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: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 710086,  Location: 5 MI. N. OF BYRON (Lat: 42.170639,  Lng: -89.203483),  Route carried "on" structure: State highway 2,  Year Built: 1996,  Status: Open,  Structure Length: 1.85m (6.07ft),  Average Daily Traffic: 6,300 (year 2021),  Truck Traffic: 8%,  Average Future Daily Traffic: 6,700 (year 2040),  Design Load: HS 20,  Features Intersected: MOSQUITO CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 70.970,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 8.9m (29.2ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.1m (43.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Good,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 38.9 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: April 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 710087,  Location: 3 MI. SW. OF BYRON (Lat: 42.099611,  Lng: -89.321889),  Route carried "on" structure: State highway 2,  Year Built: 1995,  Status: Open,  Structure Length: 7.92m (25.98ft),  Average Daily Traffic: 5,650 (year 2021),  Truck Traffic: 7%,  Average Future Daily Traffic: 6,600 (year 2040),  Design Load: HS 20,  Features Intersected: LEAF RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 56.631,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 30.5m (100.1ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 89.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 61.2 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,  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: September 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 713072,  Location: 3.8 N. W. BYRON (Lat: 42.174278,  Lng: -89.290731),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 1.68m (5.51ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 15,  Features Intersected: BR OF MIDDLE CRK,  Facility Carried by Structure: OAK GROVE RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.407,  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: 16.2m (53.1ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 7.9m (25.9ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Very good,  Channel: Good,  Operating Rating: 45.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 27.2 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: 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: August 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 713131,  Location: 2.0 S.W. STILLMAN VA (Lat: 42.087556,  Lng: -89.226969),  Route carried "on" structure: County highway ,  Year Built: 1961,  Status: Open,  Structure Length: 1.10m (3.61ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 15,  Features Intersected: STILLMAN CREEK,  Facility Carried by Structure: WELD PARK RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.756,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 10.7m (35.1ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 8.2m (26.9ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Good,  Channel: Fair,  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: 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 minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 713211,  Location: 1.5 MI E BYRON (Lat: 42.120872,  Lng: -89.226297),  Route carried "on" structure: County highway ,  Year Built: 1965,  Status: Open,  Structure Length: 2.58m (8.46ft),  Average Daily Traffic: 2,850 (year 2017),  Truck Traffic: 17%,  Average Future Daily Traffic: 3,900 (year 2040),  Design Load: HS 20,  Features Intersected: STILLMAN CREEK,  Facility Carried by Structure: KISHWAUKEE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.308,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 9.8m (32.2ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Very good,  Operating Rating: 31.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 18.8 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: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 713242,  Location: 1.7 MI NW OF BYRON (Lat: 42.138039,  Lng: -89.294272),  Route carried "on" structure: County highway ,  Year Built: 1980,  Status: Open,  Structure Length: 3.35m (10.99ft),  Average Daily Traffic: 525 (year 2017),  Truck Traffic: 10%,  Average Future Daily Traffic: 800 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: MILL ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.110,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 11.0m (36.1ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  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: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713262,  Location: 5.5 MI NW OF BYRON (Lat: 42.173736,  Lng: -89.336133),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 1.31m (4.30ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: OAK GROVE RD - TR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.658,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 11.9m (39.0ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Very good,  Channel: Satisfactory,  Operating Rating: 53.8 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: 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: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713263,  Location: 3.5 M NW OF BYRON (Lat: 42.162811,  Lng: -89.283881),  Route carried "on" structure: County highway ,  Year Built: 1985,  Status: Open,  Structure Length: 1.98m (6.50ft),  Average Daily Traffic: 50 (year 2017),  Average Future Daily Traffic: 25 (year 2040),  Design Load: HS 20,  Features Intersected: EAST FORK,  Facility Carried by Structure: LYNN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.271,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 19.2m (63.0ft),  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: 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: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713271,  Location: 3 MI NW OF BYRON (Lat: 42.149194,  Lng: -89.317153),  Route carried "on" structure: County highway ,  Year Built: 1987,  Status: Open,  Structure Length: 2.07m (6.79ft),  Average Daily Traffic: 225 (year 2017),  Truck Traffic: 20%,  Average Future Daily Traffic: 500 (year 2040),  Design Load: HS 20,  Features Intersected: MILL CREEK,  Facility Carried by Structure: CONGER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.890,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  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: 20.1m (65.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Fair,  Superstructure: Fair,  Substructure: Satisfactory,  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: Somewhat better than minimum adequacy,  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 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713272,  Location: 3.5 MI N OF BYRON (Lat: 42.174736,  Lng: -89.266672),  Route carried "on" structure: County highway ,  Year Built: 1994,  Status: Open,  Structure Length: 1.50m (4.92ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 20,  Features Intersected: BR EAST FORK,  Facility Carried by Structure: OAK GROVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.403,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  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: 13.5m (44.3ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.1m (29.9ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: 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 minimum criteria,  Deck Geometry: Better than present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713274,  Location: 5 M SW STILLMAN VALL (Lat: 42.073356,  Lng: -89.238300),  Route carried "on" structure: County highway ,  Year Built: 1984,  Status: Open,  Structure Length: 1.49m (4.89ft),  Average Daily Traffic: 200 (year 2017),  Truck Traffic: 12%,  Average Future Daily Traffic: 700 (year 2040),  Design Load: HS 20,  Features Intersected: BLACK WALNUT CR,  Facility Carried by Structure: MARRILL RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.810,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.3m (46.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  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 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: July 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 713285,  Location: 2.6 MI NW OF BYRON (Lat: 42.153414,  Lng: -89.290464),  Route carried "on" structure: County highway ,  Year Built: 1989,  Status: Open,  Structure Length: 1.65m (5.41ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 25 (year 2040),  Design Load: HS 20,  Features Intersected: MIDDLE CREEK,  Facility Carried by Structure: WATER ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.745,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 15.5m (50.9ft),  Curb-To-Curb Width: 7.3m (24.0ft),  Out-to-Out Width: 7.3m (24.0ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: 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: 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: August 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Bituminous
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Structure Number: 713308,  Location: 5.5 MI. NE. BYRON (Lat: 42.186939,  Lng: -89.210450),  Route carried "on" structure: County highway ,  Year Built: 1995,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 225 (year 2017),  Truck Traffic: 10%,  Average Future Daily Traffic: 25 (year 2040),  Design Load: HS 20,  Features Intersected: UNNAMED STREAM,  Facility Carried by Structure: WOODBURN ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.177,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Channel Beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.7m (22.0ft),  Curb-To-Curb Width: 8.0m (26.2ft),  Out-to-Out Width: 8.0m (26.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  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: Somewhat better than minimum adequacy,  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 24 months,  Inspection Date: August 2021,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 713316,  Location: 3 MI. N. OF BYRON (Lat: 42.166964,  Lng: -89.274050),  Route carried "on" structure: County highway ,  Year Built: 1996,  Status: Open,  Structure Length: 1.41m (4.63ft),  Average Daily Traffic: 1,650 (year 2017),  Truck Traffic: 13%,  Average Future Daily Traffic: 2,000 (year 2040),  Design Load: HS 20,  Features Intersected: EAST FORK CREEK,  Facility Carried by Structure: TOWER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.023,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 13.2m (43.3ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 10.4m (34.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  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 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: August 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 713342,  Location: 5 MI NE LEAF RIVER (Lat: 42.159314,  Lng: -89.332136),  Route carried "on" structure: County highway ,  Year Built: 2020,  Status: Open,  Structure Length: 1.37m (4.49ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 25 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: MILL CREEK,  Facility Carried by Structure: WATER ROAD TR 49
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.979,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.7m (41.7ft),  Curb-To-Curb Width: 9.8m (32.2ft)

Condition: Deck: Excellent,  Superstructure: Excellent,  Substructure: Excellent,  Channel: Very good,  Operating Rating: 65.1 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: 50.2 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: Equal to present desirable criteria,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2020,  Deck Structure Type: Concrete Precast Panels
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Structure Number: 715003,  Location: 3.5 MI SW BYRON (Lat: 42.097761,  Lng: -89.310753),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 1,850 (year 2020),  Truck Traffic: 6%,  Average Future Daily Traffic: 4,600 (year 2040),  Design Load: HS 15,  Features Intersected: UNNAMED CREEK,  Facility Carried by Structure: RIVER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.600,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 73.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 44.1 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 715013,  Location: 5.0 MI SE BYRON (Lat: 42.058964,  Lng: -89.234433),  Route carried "on" structure: County highway ,  Year Built: 1956,  Status: Posted for load,  Structure Length: 1.17m (3.84ft),  Average Daily Traffic: 275 (year 2017),  Truck Traffic: 7%,  Average Future Daily Traffic: 350 (year 2040),  Design Load: HS 15,  Features Intersected: BRANCH STILLMAN CR,  Facility Carried by Structure: TR-191 (HOLCOMB RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.508,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.8m (12.5ft)

Condition: Channel: Fair,  Culverts: Satisfactory,  Operating Rating: 19.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 12.0 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,  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: > 39.9% below),  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2021
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Structure Number: 715031,  Location: 4.5 S.E. BYRON (Lat: 42.057767,  Lng: -89.237911),  Route carried "on" structure: County highway ,  Year Built: 1950,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 100 (year 2017),  Truck Traffic: 12%,  Average Future Daily Traffic: 700 (year 2040),  Features Intersected: BR. STILLMAN CR.,  Facility Carried by Structure: MARRILL RD.
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.532,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 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 24 months,  Inspection Date: July 2021
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Structure Number: 715039,  Location: 3 MI NW BYRON (Lat: 42.142517,  Lng: -89.317089),  Route carried "on" structure: County highway ,  Year Built: 1969,  Status: Open,  Structure Length: 0.67m (2.20ft),  Average Daily Traffic: 250 (year 2017),  Truck Traffic: 23%,  Average Future Daily Traffic: 500 (year 2040),  Design Load: HS 15,  Features Intersected: BRANCH MILL CR,  Facility Carried by Structure: CONGER RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 6.630,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 6 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 9.6m (31.5ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 36.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 22.0 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: 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: August 2021
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Structure Number: 715042,  Location: 4 MI NW BYRON (Lat: 42.178814,  Lng: -89.298444),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 0.70m (2.30ft),  Average Daily Traffic: 150 (year 2017),  Truck Traffic: 7%,  Average Future Daily Traffic: 350 (year 2040),  Design Load: HS 15,  Features Intersected: MIDDLE CREEK,  Facility Carried by Structure: HOISINGTON ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 2.688,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 5.5m (18.0ft),  Skew: 2 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.4m (11.2ft),  Curb-To-Curb Width: 5.5m (18.0ft),  Out-to-Out Width: 9.0m (29.5ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 39.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 23.7 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: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 715056,  Location: 3 MI N BYRON (Lat: 42.174808,  Lng: -89.268789),  Route carried "on" structure: County highway ,  Year Built: 1973,  Status: Open,  Structure Length: 1.19m (3.90ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 15,  Features Intersected: EAST FORK CREEK,  Facility Carried by Structure: OAK GROVE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 7.226,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.1m (20.0ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  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: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 715075,  Location: 5.5 MI N OF BYRON (Lat: 42.202958,  Lng: -89.288944),  Route carried "on" structure: County highway ,  Year Built: 1982,  Status: Open,  Structure Length: 1.16m (3.81ft),  Average Daily Traffic: 1,400 (year 2017),  Truck Traffic: 7%,  Average Future Daily Traffic: 2,700 (year 2040),  Design Load: HS 20,  Features Intersected: BR MIDDLE CREEK,  Facility Carried by Structure: MONTAGUE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 28.179,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Satisfactory,  Culverts: Satisfactory,  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,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 715078,  Location: 3.0 MI SW OF BYRON (Lat: 42.102533,  Lng: -89.297197),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.79m (2.59ft),  Average Daily Traffic: 250 (year 2017),  Truck Traffic: 8%,  Average Future Daily Traffic: 200 (year 2040),  Design Load: HS 15,  Features Intersected: UNNAMED CR,  Facility Carried by Structure: RAZORVILLE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.644,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 2.4m (7.9ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 37.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 22.4 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,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 715122,  Location: 4 MI NW BYRON (Lat: 42.174289,  Lng: -89.292494),  Route carried "on" structure: County highway ,  Year Built: 1967,  Status: Open,  Structure Length: 0.66m (2.17ft),  Average Daily Traffic: 25 (year 2017),  Average Future Daily Traffic: 50 (year 2040),  Design Load: HS 15,  Features Intersected: MIDDLE CREEK,  Facility Carried by Structure: OAK GROVE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.262,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 38.6 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: Equal to present minimum criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: August 2021
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Structure Number: 870001,  Location: .5 MI N OF MOWEAQUA (Lat: 39.643556,  Lng: -89.015864),  Route carried "on" structure: County highway ,  Year Built: 1953,  Status: Open,  Structure Length: 2.39m (7.84ft),  Average Daily Traffic: 1,350 (year 2018),  Truck Traffic: 6%,  Average Future Daily Traffic: 2,206 (year 2032),  Design Load: HS 20,  Features Intersected: LONG GROVE CREEK,  Facility Carried by Structure: TR 62(N. MAIN ST)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.772,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.5m (27.9ft),  Skew: 1 degrees,  Material/Design: Concrete continuous,  Design/Construction: Slab,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 8.8m (28.9ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.5m (34.4ft)

Condition: Deck: Poor,  Superstructure: Poor,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 48.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 29.2 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 2.38m (7.81ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $323,000,  Roadway Improvement Cost: $54,000,  Total Project Cost: $377,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other
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Structure Number: 870024,  Location: 2.3 MI W IL 32 (Lat: 39.404478,  Lng: -88.663003),  Route carried "on" structure: State highway 16,  Year Built: 1980,  Year Reconstructed: 2019,  Status: Posted for load,  Structure Length: 1.40m (4.59ft),  Average Daily Traffic: 4,200 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 4,644 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: RICHLAND CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 190.992,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.7m (44.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 12.9m (42.3ft),  Curb-To-Curb Width: 13.6m (44.6ft),  Out-to-Out Width: 13.7m (44.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  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: 43.4 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: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Inspection Date: May 2021,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 719903,  Location: N EDGE OF BYRON (Lat: 42.131686,  Lng: -89.245533),  Route carried "under" structure: State highway 2,  Year Built: 1935,  Structure Length: 0. m,  Average Daily Traffic: 7,500 (year 2021),  Truck Traffic: 5%,  Features Intersected: ILL 2,  Facility Carried by Structure: DM&E RR
Minimum Vertical Clearance: 4.52m (14.83ft),  Kilometerpoint: 64.517,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 10.7m (35.1ft)

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Structure Number: 719904,  Location: IN BYRON (Lat: 42.125578,  Lng: -89.250853),  Route carried "under" structure: State highway 2,  Year Built: 1935,  Structure Length: 0. m,  Average Daily Traffic: 7,500 (year 2021),  Truck Traffic: 5%,  Features Intersected: ILL 2,  Facility Carried by Structure: CNW RR
Minimum Vertical Clearance: 4.29m (14.07ft),  Kilometerpoint: 63.680,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 10.7m (35.1ft)

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Structure Number: 719907,  Location: .53 MI SE BYRON (Lat: 42.121797,  Lng: -89.247806),  Route carried "under" structure: State highway 72,  Year Built: 1933,  Structure Length: 0. m,  Average Daily Traffic: 5,650 (year 2021),  Truck Traffic: 8%,  Features Intersected: ILL 72,  Facility Carried by Structure: CNW RR
Minimum Vertical Clearance: 4.42m (14.50ft),  Kilometerpoint: 51.144,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 9.8m (32.2ft)

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Structure Number: 719911,  Location: .5 MI SE BYRON (Lat: 42.120161,  Lng: -89.242500),  Route carried "under" structure: County highway ,  Year Built: 1941,  Structure Length: 0. m,  Average Daily Traffic: 900 (year 2017),  Truck Traffic: 4%,  Features Intersected: TR 270A,  Facility Carried by Structure: CNW RR
Minimum Vertical Clearance: 6.99m (22.93ft),  Kilometerpoint: 0.032,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 7.0m (23.0ft)

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