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


  • National Bridge Inventory (NBI) Statistics
  • 11Number of bridges
  • 59ft / 17.5mTotal length
  • $947,000Total costs
  • 52,675Total average daily traffic
  • 5,575Total average daily truck traffic
  • National Bridge Inventory (NBI) Registered Bridges for Winnebago
  • No street view available for this location

New bridges in Winnebago, IL - historical statistics
  • New bridges - historical statistics
  • 21950-1959
  • 31960-1969
  • 21970-1979
  • 11980-1989
  • 12000-2009
  • 22010-2019
Average Bridge Daily Traffic in Winnebago, IL
Bridge Condition - Deck
  • Bridge Condition - Deck
  • 50.0%Very good
  • 50.0%Satisfactory
Bridge Condition - Superstructure
  • Bridge Condition - Superstructure
  • 50.0%Very good
  • 50.0%Satisfactory
Bridge Condition - Substructure
  • Bridge Condition - Substructure
  • 50.0%Very good
  • 50.0%Fair
Bridge Condition - Channel
  • Bridge Condition - Channel
  • 25.0%Very good
  • 37.5%Good
  • 25.0%Satisfactory
  • 12.5%Poor
Bridge Condition - Culverts
  • Bridge Condition - Culverts
  • 14.3%Very good
  • 28.6%Good
  • 14.3%Satisfactory
  • 28.6%Fair
  • 14.3%Poor
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Structure Number: 1010046,  Location: 3 MI W OF ROCKFORD (Lat: 42.278958,  Lng: -89.194797),  Route carried "on" structure: US 20,  Year Built: 1961,  Year Reconstructed: 2003,  Status: Open,  Structure Length: 8.06m (26.44ft),  Average Daily Traffic: 10,700 (year 2021),  Truck Traffic: 15%,  Average Future Daily Traffic: 8,100 (year 2040),  Design Load: HS 20+Mod,  Features Intersected: US 20BR EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 138.931,  Lanes on structure: 2,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 6 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 27.9m (91.5ft),  Curb-To-Curb Width: 10.4m (34.1ft),  Out-to-Out Width: 11.3m (37.1ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Fair,  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: 59.9 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 8.11m (26.61ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2021,  Bridge Improvement Cost: $631,000,  Roadway Improvement Cost: $63,000,  Total Project Cost: $947,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1011006,  Location: 4 MI E PECATONICA RD (Lat: 42.283611,  Lng: -89.278706),  Route carried "on" structure: US 20,  Year Built: 2003,  Status: Open,  Structure Length: 0.86m (2.82ft),  Average Daily Traffic: 15,900 (year 2021),  Truck Traffic: 13%,  Average Future Daily Traffic: 17,000 (year 2040),  Design Load: HS 20,  Features Intersected: COOLIDGE CREEK
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 131.947,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 24.7m (81.0ft),  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.0m (13.1ft),  Curb-To-Curb Width: 24.7m (81.0ft),  Out-to-Out Width: 41.8m (137.1ft)

Condition: Channel: Good,  Culverts: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2021
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Structure Number: 1013067,  Location: 0.1 MI W KEITH ROAD (Lat: 42.275697,  Lng: -89.271469),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 1.52m (4.99ft),  Average Daily Traffic: 225 (year 2017),  Average Future Daily Traffic: 400 (year 2040),  Design Load: HS 15,  Features Intersected: COOLIDGE CREEK,  Facility Carried by Structure: COMLY ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 10.460,  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: 3,  Length of Maximum Span: 4.1m (13.5ft)

Condition: Channel: Poor,  Culverts: Fair,  Operating Rating: 79.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 47.6 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,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021
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Structure Number: 1013102,  Location: 4 MI S OF WINNEBAGO (Lat: 42.207400,  Lng: -89.250750),  Route carried "on" structure: County highway ,  Year Built: 2012,  Status: Open,  Structure Length: 2.23m (7.32ft),  Average Daily Traffic: 2,200 (year 2017),  Truck Traffic: 1%,  Average Future Daily Traffic: 1,800 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: E BR MILL CRK,  Facility Carried by Structure: MONTAGUE RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.963,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.5m (70.5ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 9.8m (32.2ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 49.6 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: 39.5 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: Equal to present desirable criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: June 2019,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing
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Structure Number: 1015045,  Location: 0.5 MI E AHRENS ROAD (Lat: 42.318519,  Lng: -89.285106),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Open,  Structure Length: 1.13m (3.71ft),  Average Daily Traffic: 850 (year 2017),  Average Future Daily Traffic: 1,300 (year 2040),  Design Load: HS 15,  Features Intersected: COOLIDGE CREEK,  Facility Carried by Structure: SAUNDERS ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.911,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 1 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.4m (11.2ft)

Condition: Channel: Good,  Culverts: Fair,  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: 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: May 2020
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Structure Number: 1015067,  Location: 1 MI E HOISINGTON RD (Lat: 42.304131,  Lng: -89.281731),  Route carried "on" structure: County highway ,  Year Built: 1970,  Status: Open,  Structure Length: 1.41m (4.63ft),  Average Daily Traffic: 1,200 (year 2017),  Average Future Daily Traffic: 3,200 (year 2040),  Design Load: HS 15,  Features Intersected: COOLIDGE CREEK,  Facility Carried by Structure: SMITH ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.561,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 3.0m (9.8ft)

Condition: Channel: Satisfactory,  Culverts: Good,  Operating Rating: 36.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 21.7 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: March 2020
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Structure Number: 1015117,  Location: 2 MI W MERIDIAN RD (Lat: 42.213297,  Lng: -89.209714),  Route carried "on" structure: County highway ,  Year Built: 1983,  Status: Open,  Structure Length: 0.78m (2.56ft),  Average Daily Traffic: 3,600 (year 2017),  Average Future Daily Traffic: 6,000 (year 2040),  Design Load: HS 20,  Features Intersected: E BR MOSQUITO CREEK,  Facility Carried by Structure: MONTAGUE ROAD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 5.423,  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: 2,  Length of Maximum Span: 3.7m (12.1ft)

Condition: Channel: Good,  Culverts: Satisfactory,  Operating Rating: 88.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 64.2 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,  Waterway Adequacy: Equal to present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: April 2021
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Structure Number: 1015163,  Location: 2 MI E OF WINNEBAGO (Lat: 42.262789,  Lng: -89.192636),  Route carried "on" structure: County highway ,  Year Built: 2018,  Status: Open,  Structure Length: 0.80m (2.62ft),  Average Daily Traffic: 1,150 (year 2012),  Truck Traffic: 1%,  Average Future Daily Traffic: 2,400 (year 2040),  Design Load: HS 25 or greater,  Features Intersected: S BR OF KENT CRK,  Facility Carried by Structure: TR-100 (Weldon Rd)
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 3.573,  Lanes on structure: 2,  Owner: Town or Township Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 4.1m (13.5ft)

Condition: Channel: Very good,  Culverts: Very good,  Operating Rating: 86.8 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: 67.1 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: Equal to present desirable criteria,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Superior to present desirable criteria,  Designated Inspection Frequency: Every 48 months,  Inspection Date: August 2020,  Deck Structure Type: Concrete Cast-file-Place
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Structure Number: 1015166,  Location: 3.5 MI E OF PECATONI (Lat: 42.318689,  Lng: -89.279633),  Route carried "on" structure: County highway ,  Year Built: 1957,  Status: Open,  Structure Length: 0.72m (2.36ft),  Average Daily Traffic: 850 (year 2017),  Average Future Daily Traffic: 915 (year 2034),  Design Load: HS 15,  Features Intersected: UNNAMED CREEK,  Facility Carried by Structure: SAUNDERS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 4.361,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Skew: 4 degrees,  Material/Design: Concrete continuous,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 3.2m (10.5ft)

Condition: Channel: Satisfactory,  Culverts: Poor,  Operating Rating: 48.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 28.8 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: January 2021
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Structure Number: 1010046,  Location: 3 MI W OF ROCKFORD (Lat: 42.280086,  Lng: -89.196250),  Route carried "under" structure: Business US 20,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 5,300 (year 2021),  Truck Traffic: 5%,  Features Intersected: US 20BR EB
Minimum Vertical Clearance: 4.52m (14.83ft),  Kilometerpoint: 18.426,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 27.9m (91.5ft)

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Structure Number: 101012,  Location: .2 MI S RT 20 BR (Lat: 42.277831,  Lng: -89.192850),  Route carried "under" structure: US 20,  Year Built: 1961,  Structure Length: 0. m,  Average Daily Traffic: 10,700 (year 2021),  Truck Traffic: 15%,  Features Intersected: US RT 20,  Facility Carried by Structure: WELDON RD
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 139.124,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 23.0m (75.5ft)

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