Bridge Statistics for Willow Springs, Illinois (IL) - Condition, Traffic, Stress, Structural Evaluation, Project Costs

Find on map >>

Structure Number: 16051804192,  Location: 0.1 M SW US 45 (Lat: 41.745606,  Lng: -87.852533),  Route carried "on" structure: Ramp Other road 330,  Year Built: 1959,  Year Reconstructed: 1998,  Status: Open,  Structure Length: 6.03m (19.78ft),  Average Daily Traffic: 18,500 (year 2006),  Truck Traffic: 18%,  Average Future Daily Traffic: 26,325 (year 2021),  Features Intersected: US 12,20,45 MANNHEIM,  Facility Carried by Structure: IL 171 & 79 ST EB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.161,  Lanes on structure: 2,  Lanes under structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.7m (64.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.1m (36.4ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Fair,  Operating Rating: 74.7 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present minimum criteria,  Length Of Structure Improvement: 5.49m (18.01ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $428,000,  Roadway Improvement Cost: $43,000,  Total Project Cost: $642,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete

Find on map >>

Structure Number: 16053904213,  Location: 1.9 M S I-55 (Lat: 41.736714,  Lng: -87.882994),  Route carried "on" structure: Other road 2697,  Year Built: 1924,  Status: Posted for load,  Structure Length: 9.17m (30.09ft),  Average Daily Traffic: 8,850 (year 2006),  Truck Traffic: 10%,  Average Future Daily Traffic: 10,935 (year 2021),  Features Intersected: DES PLAINES RIVER,  Facility Carried by Structure: OLD WILLOW SPRNGS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.493,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Navigation Control: Yes ( Vertical Clearance: 5.7m (18.7ft), Horizontal Clearance: 48.7m (159.8ft)),  Material/Design: Concrete,  Design/Construction: Tee Beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 18.3m (60.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 8.2m (26.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Serious,  Superstructure: Serious,  Substructure: Serious,  Channel: Satisfactory,  Operating Rating: 18.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 2.7 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: High priority of replacement,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Bridge Posting: Required (Relationship of Operating Rating to Maximum Legal Load: 0.1 - 9.9% below),  Length Of Structure Improvement: 10.09m (33.10ft),  Designated Inspection Frequency: Every 12 months,  Inspection Date: October 2007,  Bridge Improvement Cost: $1,589,000,  Roadway Improvement Cost: $159,000,  Total Project Cost: $2,384,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous

Find on map >>

Structure Number: 16054025224,  Location: 0.1 M N IL 171 (Lat: 41.736839,  Lng: -87.883153),  Route carried "on" structure: Other road 2697,  Year Built: 1976,  Status: Open,  Structure Length: 46.63m (152.99ft),  Average Daily Traffic: 17,700 (year 2006),  Truck Traffic: 10%,  Average Future Daily Traffic: 21,870 (year 2021),  Design Load: HS 20,  Features Intersected: S&S&I&MCANALS,DPL RV,  Facility Carried by Structure: WILLOW SPRINGS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.477,  Lanes on structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 17.7m (58.1ft),  Skew: 30 degrees,  Navigation Control: Yes ( Vertical Clearance: 11.8m (38.7ft), Horizontal Clearance: 49.6m (162.7ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 9,  Length of Maximum Span: 70.3m (230.6ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 17.7m (58.1ft),  Out-to-Out Width: 21.3m (69.9ft)

Condition: Deck: Fair,  Superstructure: Poor,  Substructure: Good,  Channel: Good,  Operating Rating: 58.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 35.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Meets minimum limits,  Deck Geometry: Somewhat better than minimum adequacy,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 24 months,  Inspection Date: Febuary 2008,  Underwater Inspection Date: Febuary 2008,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up

Find on map >>

Structure Number: 16095820696,  Location: 0.3 M W OFUS 45 P-10 (Lat: 41.750300,  Lng: -87.864669),  Route carried "on" structure: Interstate 294,  Year Built: 1958,  Status: Open,  Structure Length: 150.45m (493.60ft),  Average Daily Traffic: 68,400 (year 2006),  Truck Traffic: 15%,  Average Future Daily Traffic: 91,070 (year 2021),  Features Intersected: CHICAGO SAN.CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.587,  Lanes on structure: 3,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 15.8m (51.8ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 51,  Length of Maximum Span: 79.2m (259.8ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Very good,  Operating Rating: 46.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 27.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Deck Structure Type: Concrete Cast-file-Place

Find on map >>

Structure Number: 16095903931,  Location: 0.3 M W US 45 P10 (Lat: 41.750378,  Lng: -87.864836),  Route carried "on" structure: Interstate 294,  Year Built: 1958,  Year Reconstructed: 1971,  Status: Open,  Structure Length: 150.45m (493.60ft),  Average Daily Traffic: 68,400 (year 2006),  Truck Traffic: 15%,  Average Future Daily Traffic: 91,070 (year 2021),  Design Load: HS 20,  Features Intersected: CHICAGO SAN CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 50.571,  Lanes on structure: 3,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 15.8m (51.8ft),  Navigation Control: Yes ( Vertical Clearance: 12.1m (39.7ft), Horizontal Clearance: 73.7m (241.8ft)),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Number Of Approach Spans: 51,  Length of Maximum Span: 79.2m (259.8ft),  Curb-To-Curb Width: 12.8m (42.0ft),  Out-to-Out Width: 14.0m (45.9ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Channel: Good,  Operating Rating: 64.8 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 150.45m (493.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2007,  Bridge Improvement Cost: $3,633,000,  Roadway Improvement Cost: $182,000,  Total Project Cost: $4,360,000 ( Estimate for 2000),  Deck Structure Type: Concrete Cast-file-Place

Find on map >>

Structure Number: 16240604723,  Location: 0.9 M S I-55 (Lat: 41.750728,  Lng: -87.858681),  Route carried "on" structure: US 12,  Year Built: 1980,  Status: Open,  Structure Length: 40.90m (134.19ft),  Average Daily Traffic: 39,150 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 39,690 (year 2021),  Design Load: HS 20,  Features Intersected: RR - CN & CANALS
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 102.944,  Lanes on structure: 3,  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: 13,  Length of Maximum Span: 88.4m (290.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Satisfactory,  Superstructure: Good,  Substructure: Good,  Channel: Very good,  Operating Rating: 54.9 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 33.3 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: Febuary 2008,  Underwater Inspection Date: April 2004,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>

Structure Number: 16246824325,  Location: 0.9 M S I-55 (Lat: 41.750617,  Lng: -87.858556),  Route carried "on" structure: US 12,  Year Built: 1976,  Year Reconstructed: 1995,  Status: Open,  Structure Length: 40.97m (134.42ft),  Average Daily Traffic: 39,150 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 39,690 (year 2021),  Design Load: HS 20,  Features Intersected: S&S & IM CNLS&ICG RR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 102.960,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 11.6m (38.1ft),  Navigation Control: Yes ( Vertical Clearance: 11.8m (38.7ft), Horizontal Clearance: 85.3m (279.9ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 13,  Length of Maximum Span: 54.9m (180.1ft),  Curb-To-Curb Width: 11.6m (38.1ft),  Out-to-Out Width: 12.8m (42.0ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Good,  Channel: Very good,  Operating Rating: 57.6 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 36.0 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Better than present minimum criteria,  Underclear: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: December 2007,  Underwater Inspection Date: August 2004,  Deck Structure Type: Concrete Cast-file-Place

Find on map >>

Structure Number: 16264630843,  Location: 2.1 M S I-55 (Lat: 41.734075,  Lng: -87.879633),  Route carried "on" structure: Other road 2697,  Year Built: 1996,  Status: Open,  Structure Length: 3.22m (10.56ft),  Average Daily Traffic: 8,850 (year 2006),  Truck Traffic: 10%,  Average Future Daily Traffic: 10,935 (year 2021),  Design Load: HS 20,  Features Intersected: I&M CANAL - OLD,  Facility Carried by Structure: WILLOW SPRINGS RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 9.831,  Lanes on structure: 2,  Owner: State Highway Agency,  Approaching Roadway Width: 8.8m (28.9ft),  Material/Design: Prestressed concrete,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 31.4m (103.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 6.7m (22.0ft),  Out-to-Out Width: 8.8m (28.9ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Channel: Very good,  Operating Rating: 85.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 45.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: High priority of replacement,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>

Structure Number: 16275633148,  Location: 0.5 M SW I-294 (Lat: 41.743711,  Lng: -87.852028),  Route carried "on" structure: State highway 171,  Year Built: 2003,  Status: Open,  Structure Length: 6.68m (21.92ft),  Average Daily Traffic: 10,550 (year 2007),  Truck Traffic: 15%,  Average Future Daily Traffic: 20,000 ,  Design Load: HS 20,  Features Intersected: US 12,20,45 LAGRANGE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.373,  Lanes under structure: 6,  Owner: State Highway Agency,  Approaching Roadway Width: 21.4m (70.2ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 32.9m (107.9ft),  Curb-To-Curb Width: 27.5m (90.2ft),  Out-to-Out Width: 28.4m (93.2ft)

Condition: Deck: Satisfactory,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 72.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF),  Inventory Rating: 43.2 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF),  Structural Evaluation: Equal to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2007,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Monolithic Concrete,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>

Structure Number: 16306404495,  Location: 0.03 M W WOLF P10 (Lat: 41.738872,  Lng: -87.896731),  Route carried "on" structure: Other road 1552,  Year Built: 1963,  Status: Open,  Structure Length: 3.66m (12.01ft),  Average Daily Traffic: 5,000 (year 2005),  Average Future Daily Traffic: 8,370 (year 2021),  Design Load: HS 20,  Features Intersected: FLAG CREEK,  Facility Carried by Structure: GERMAN CHURCH RD
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 1.529,  Lanes on structure: 2,  Owner: County Highway Agency,  Approaching Roadway Width: 11.0m (36.1ft),  Material/Design: Prestressed concrete,  Design/Construction: Box Beam or Girders - Multiple,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 14.6m (47.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 8.5m (27.9ft),  Out-to-Out Width: 12.2m (40.0ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Good,  Channel: Good,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Better than present minimum criteria,  Deck Geometry: Meets minimum limits,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 4.39m (14.40ft),  Designated Inspection Frequency: Every 48 months,  Inspection Date: December 2006,  Bridge Improvement Cost: $507,000,  Roadway Improvement Cost: $51,000,  Total Project Cost: $761,000,  Deck Structure Type: Concrete Precast Panels,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete

Find on map >>

Structure Number: 16306504496,  Location: 0.3 M E DUPAGE P10 (Lat: 41.724006,  Lng: -87.908042),  Route carried "on" structure: Other road 1560,  Year Built: 1932,  Year Reconstructed: 1981,  Status: Open,  Structure Length: 2.04m (6.69ft),  Average Daily Traffic: 1,500 (year 2006),  Truck Traffic: 7%,  Average Future Daily Traffic: 3,000 ,  Features Intersected: FLAG CREEK,  Facility Carried by Structure: 91ST ST
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.547,  Lanes on structure: 2,  Owner: City or Municipal Highway Agency,  Approaching Roadway Width: 7.3m (24.0ft),  Skew: 3 degrees,  Material/Design: Concrete,  Design/Construction: Slab,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 9.8m (32.2ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 17.2m (56.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Channel: Satisfactory,  Operating Rating: 44.1 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Equal to present desirable criteria,  Waterway Adequacy: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2006,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Integral Concrete,  Deck Protection: Epoxy Coated Reinforcing

Find on map >>

Structure Number: 16982203932,  Location: 0.6 M NW ILL 171 P10 (Lat: 41.747086,  Lng: -87.854506),  Route carried "on" structure: Interstate 294,  Year Built: 1958,  Status: Open,  Structure Length: 5.73m (18.80ft),  Average Daily Traffic: 68,400 (year 2006),  Truck Traffic: 15%,  Average Future Daily Traffic: 91,070 (year 2020),  Features Intersected: US 12,20-45
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 51.504,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 17.7m (58.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 30.2m (99.1ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 22.6m (74.1ft)

Condition: Deck: Very good,  Superstructure: Good,  Substructure: Poor,  Operating Rating: 68.4 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 36.9 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Meets minimum limits,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.89m (22.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2006,  Bridge Improvement Cost: $1,469,000,  Roadway Improvement Cost: $147,000,  Total Project Cost: $2,204,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up

Find on map >>

Structure Number: 16982303933,  Location: 0.6 M NW ILL 171 P10 (Lat: 41.746975,  Lng: -87.854375),  Route carried "on" structure: Interstate 294,  Year Built: 1958,  Status: Open,  Structure Length: 5.73m (18.80ft),  Average Daily Traffic: 68,400 (year 2006),  Truck Traffic: 15%,  Average Future Daily Traffic: 91,070 (year 2020),  Features Intersected: US 12,20-45
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 51.520,  Lanes on structure: 4,  Lanes under structure: 4,  Base Highway Network: Yes,  Toll: On toll road,  Owner: State Toll Authority,  Approaching Roadway Width: 17.7m (58.1ft),  Skew: 4 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 2,  Length of Maximum Span: 30.2m (99.1ft),  Curb-To-Curb Width: 14.6m (47.9ft),  Out-to-Out Width: 22.6m (74.1ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Fair,  Operating Rating: 63.0 metric tons,  Method Used To Determine Operating Rating: Allowable Stress (AS),  Inventory Rating: 37.8 metric tons,  Method Used To Determine Inventory Rating: Allowable Stress (AS),  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: High priority of replacement,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 6.89m (22.60ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: May 2006,  Bridge Improvement Cost: $1,469,000,  Roadway Improvement Cost: $147,000,  Total Project Cost: $2,204,000,  Deck Structure Type: Other,  Wearing Surface/Protective System: Wearing Surface: Bituminous,  Membrane: Built-up

Find on map >>

Structure Number: 16020903987,  Location: 0.3 M E US 45 (Lat: 41.745131,  Lng: -87.848800),  Route carried "under" structure: Ramp Other road 330,  Year Built: 1959,  Structure Length: 6.20m (20.34ft),  Average Daily Traffic: 18,500 (year 2006),  Truck Traffic: 18%,  Features Intersected: US 45 SB RMP TO I294,  Facility Carried by Structure: IL 171 WB (ARCHER)
Minimum Vertical Clearance: 4.32m (14.17ft),  Kilometerpoint: 0.547,  Lanes on structure: 2,  Lanes under structure: 3,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 24.2m (79.4ft)

Find on map >>

Structure Number: 16051804192,  Location: 0.1 M SW US 45 (Lat: 41.745606,  Lng: -87.852533),  Route carried "under" structure: US 12,  Year Built: 1959,  Structure Length: 6.03m (19.78ft),  Average Daily Traffic: 24,200 (year 2007),  Truck Traffic: 9%,  Features Intersected: US 12,20,45 MANNHEIM,  Facility Carried by Structure: IL 171 & 79 ST EB
Minimum Vertical Clearance: 4.27m (14.01ft),  Kilometerpoint: 1.037,  Lanes on structure: 2,  Lanes under structure: 2,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 19.7m (64.6ft)

Find on map >>

Structure Number: 16275633148,  Location: 0.5 M SW I-294 (Lat: 41.743711,  Lng: -87.852028),  Route carried "under" structure: US 12,  Year Built: 2003,  Structure Length: 6.68m (21.92ft),  Average Daily Traffic: 48,400 (year 2007),  Truck Traffic: 9%,  Features Intersected: US 12,20,45 LAGRANGE,  Facility Carried by Structure: IL 171 (ARCHER AVE
Minimum Vertical Clearance: 30.18m (99.02ft),  Kilometerpoint: 103.845,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 32.9m (107.9ft)

Find on map >>

Structure Number: 16982203932,  Location: 0.6 M NW ILL 171 P10 (Lat: 41.747086,  Lng: -87.854506),  Route carried "under" structure: US 12,  Year Built: 1958,  Structure Length: 5.73m (18.80ft),  Average Daily Traffic: 39,150 (year 2007),  Truck Traffic: 15%,  Features Intersected: US 12,20-45,  Facility Carried by Structure: I-294 NB
Minimum Vertical Clearance: 4.55m (14.93ft),  Kilometerpoint: 103.475,  Lanes on structure: 4,  Lanes under structure: 4,  Toll: On toll road,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.2m (99.1ft)

Find on map >>

Structure Number: 16982303933,  Location: 0.6 M NW ILL 171 P10 (Lat: 41.746975,  Lng: -87.854375),  Route carried "under" structure: US 12,  Year Built: 1958,  Structure Length: 5.73m (18.80ft),  Average Daily Traffic: 39,150 (year 2007),  Truck Traffic: 15%,  Features Intersected: US 12,20-45,  Facility Carried by Structure: I-294 SB
Minimum Vertical Clearance: 4.78m (15.68ft),  Kilometerpoint: 103.491,  Lanes on structure: 4,  Lanes under structure: 4,  Toll: On toll road,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 30.2m (99.1ft)

Find on map >>

Structure Number: 16992430091,  Location: .5 N OF IL 171 (Lat: 41.737611,  Lng: -87.884197),  Route carried "under" structure: Other road 2697,  Year Built: 1992,  Structure Length: 5.88m (19.29ft),  Average Daily Traffic: 17,700 (year 2006),  Truck Traffic: 10%,  Features Intersected: WILLOW SPRINGS RD,  Facility Carried by Structure: AT&SF RR
Minimum Vertical Clearance: 4.52m (14.83ft),  Kilometerpoint: 9.316,  Lanes under structure: 6,  Length of Maximum Span: 36.6m (120.1ft)