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

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Structure Number: 160012,  Location: 2.2 M SW ILL 43 (Lat: 41.783794,  Lng: -87.830481),  Route carried "on" structure: Interstate 55,  Year Built: 1963,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 6.83m (22.41ft),  Average Daily Traffic: 69,300 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 83,945 (year 2032),  Features Intersected: RR - CSXT
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 453.308,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 20.4m (66.9ft),  Out-to-Out Width: 21.3m (69.9ft)

Condition: Deck: Good,  Superstructure: Fair,  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: 56.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160013,  Location: 2.2 M SW ILL 43 (Lat: 41.783900,  Lng: -87.830347),  Route carried "on" structure: Interstate 55,  Year Built: 1963,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 6.83m (22.41ft),  Average Daily Traffic: 69,300 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 83,945 (year 2032),  Features Intersected: RR - CSXT
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 453.324,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 18.3m (60.0ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 18.3m (60.0ft),  Curb-To-Curb Width: 20.3m (66.6ft),  Out-to-Out Width: 21.3m (69.9ft)

Condition: Deck: Good,  Superstructure: Fair,  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: 56.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160014,  Location: 0.9 M SW ILL 43 (Lat: 41.796436,  Lng: -87.813294),  Route carried "on" structure: Interstate 55,  Year Built: 1964,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 21.31m (69.91ft),  Average Daily Traffic: 66,150 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 84,409 (year 2032),  Features Intersected: SAN & SHIP CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 455.255,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.3m (69.9ft),  Skew: 4 degrees,  Navigation Control: Yes ( Vertical Clearance: 11.3m (37.1ft), Horizontal Clearance: 48.8m (160.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 73.3m (240.5ft),  Curb-To-Curb Width: 21.9m (71.9ft),  Out-to-Out Width: 22.9m (75.1ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 65.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.2 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: Better than present minimum criteria,  Underclear: Meets minimum limits,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 21.40m (70.21ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Underwater Inspection Date: July 2020,  Other Special Inspection Date: May 2021,  Bridge Improvement Cost: $3,256,000,  Roadway Improvement Cost: $326,000,  Total Project Cost: $5,373,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160015,  Location: 0.9 M SW ILL 43 (Lat: 41.796425,  Lng: -87.812939),  Route carried "on" structure: Interstate 55,  Year Built: 1964,  Year Reconstructed: 2000,  Status: Open,  Structure Length: 21.31m (69.91ft),  Average Daily Traffic: 66,150 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 84,409 (year 2032),  Features Intersected: SAN & SHIP CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 455.287,  Lanes on structure: 4,  Lanes under structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 21.9m (71.9ft),  Skew: 4 degrees,  Navigation Control: Yes ( Vertical Clearance: 11.6m (38.1ft), Horizontal Clearance: 49.1m (161.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 73.3m (240.5ft),  Curb-To-Curb Width: 21.9m (71.9ft),  Out-to-Out Width: 22.9m (75.1ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Very good,  Operating Rating: 65.1 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: Somewhat better than minimum adequacy,  Deck Geometry: Better than present minimum criteria,  Underclear: Somewhat better than minimum adequacy,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 21.40m (70.21ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 60 months,  Other Special Inspection Frequency: Every 24 months,  Inspection Date: May 2021,  Underwater Inspection Date: July 2020,  Other Special Inspection Date: May 2021,  Bridge Improvement Cost: $3,256,000,  Roadway Improvement Cost: $326,000,  Total Project Cost: $5,373,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160316,  Location: 0.47 MI N OF ARCHER (Lat: 41.799508,  Lng: -87.802125),  Route carried "on" structure: State highway 43,  Year Built: 1964,  Year Reconstructed: 1990,  Status: Temporarily open,  Structure Length: 7.65m (25.10ft),  Average Daily Traffic: 35,800 (year 2021),  Truck Traffic: 4%,  Average Future Daily Traffic: 45,114 (year 2032),  Design Load: HS 20,  Features Intersected: I- 55 STEVENSON
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.942,  Lanes on structure: 9,  Lanes under structure: 6,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 22 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 25.6m (84.0ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 39.6m (129.9ft),  Out-to-Out Width: 45.7m (149.9ft)

Condition: Deck: Fair,  Superstructure: Critical,  Substructure: Fair,  Structural Evaluation: High priority of replacement,  Deck Geometry: Superior to present desirable criteria,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 12 months,  Other Special Inspection Frequency: Every 6 months,  Inspection Date: October 2021,  Other Special Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Other,  Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160317,  Location: 0.1 M S I-55 (Lat: 41.797967,  Lng: -87.802078),  Route carried "on" structure: State highway 43,  Year Built: 1966,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 21.77m (71.42ft),  Average Daily Traffic: 42,700 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 22,557 (year 2032),  Design Load: HS 20,  Features Intersected: RR - CN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.765,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 11,  Length of Maximum Span: 22.4m (73.5ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 13.0m (42.7ft),  Out-to-Out Width: 15.3m (50.2ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Fair,  Operating Rating: 71.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 42.4 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: Equal to present minimum criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160318,  Location: 0.1 M S I-55 (Lat: 41.798142,  Lng: -87.802083),  Route carried "on" structure: State highway 43,  Year Built: 1931,  Year Reconstructed: 1990,  Status: Open,  Structure Length: 6.64m (21.78ft),  Average Daily Traffic: 42,700 (year 2019),  Truck Traffic: 10%,  Average Future Daily Traffic: 22,557 (year 2032),  Design Load: HS 20,  Features Intersected: RR - CN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 32.781,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 13.4m (44.0ft),  Skew: 2 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 0.0m,  Right: 1.5m (4.9ft),  Curb-To-Curb Width: 14.8m (48.6ft),  Out-to-Out Width: 16.9m (55.4ft)

Condition: Deck: Satisfactory,  Superstructure: Satisfactory,  Substructure: Satisfactory,  Operating Rating: 88.1 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 53.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: High priority of replacement,  Underclear: Somewhat better than minimum adequacy,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 7.99m (26.21ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Bridge Improvement Cost: $1,857,000,  Roadway Improvement Cost: $186,000,  Total Project Cost: $2,786,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160483,  Location: 0.2 M W I-55 (Lat: 41.794708,  Lng: -87.824428),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 16.09m (52.79ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: DES PLAINES RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.361,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.8m (55.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.5m (146.0ft),  Curb-To-Curb Width: 13.5m (44.3ft),  Out-to-Out Width: 14.5m (47.6ft)

Condition: Deck: Good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 76.8 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: Somewhat better than minimum adequacy,  Deck Geometry: Superior to present desirable criteria,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Underwater Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160486,  Location: 0.2 M SE I-55 (Lat: 41.792739,  Lng: -87.819119),  Route carried "on" structure: State highway 171,  Year Built: 1963,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 25.40m (83.33ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 28,119 (year 2032),  Design Load: HS 20,  Features Intersected: S&S CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.927,  Lanes on structure: 2,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 10.4m (34.1ft),  Skew: 1 degrees,  Navigation Control: Yes ( Vertical Clearance: 12.2m (40.0ft), Horizontal Clearance: 48.8m (160.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 14,  Length of Maximum Span: 52.9m (173.6ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Good,  Superstructure: Serious,  Substructure: Fair,  Channel: Very good,  Operating Rating: 52.2 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 31.1 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Meets minimum limits,  Underclear: High priority of corrective action,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 25.12m (82.41ft),  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: April 2021,  Underwater Inspection Date: July 2020,  Bridge Improvement Cost: $2,855,000,  Roadway Improvement Cost: $286,000,  Total Project Cost: $4,283,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160487,  Location: 0.2 M SE I-55 (Lat: 41.792622,  Lng: -87.818836),  Route carried "on" structure: State highway 171,  Year Built: 1963,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 24.22m (79.46ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 28,119 (year 2032),  Design Load: HS 20,  Features Intersected: S&S CANAL
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.911,  Lanes on structure: 2,  Lanes under structure: 1,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 12.2m (40.0ft),  Skew: 2 degrees,  Navigation Control: Yes ( Vertical Clearance: 8.8m (28.9ft), Horizontal Clearance: 48.8m (160.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 11,  Length of Maximum Span: 52.9m (173.6ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Good,  Superstructure: Serious,  Substructure: Fair,  Channel: Very good,  Operating Rating: 56.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 34.0 metric tons,  Method Used To Determine Inventory Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Structural Evaluation: High priority of corrective action,  Deck Geometry: Better than present minimum criteria,  Underclear: High priority of replacement,  Waterway Adequacy: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 25.63m (84.09ft),  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 60 months,  Inspection Date: April 2021,  Underwater Inspection Date: July 2020,  Bridge Improvement Cost: $3,436,000,  Roadway Improvement Cost: $344,000,  Total Project Cost: $5,154,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160488,  Location: 0.3 M SE I-55 (Lat: 41.791492,  Lng: -87.815822),  Route carried "on" structure: State highway 171,  Year Built: 1963,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 5.07m (16.63ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 28,119 (year 2032),  Design Load: HS 20,  Features Intersected: RR - CN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.541,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.8m (55.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 19.2m (63.0ft),  Curb-To-Curb Width: 15.8m (51.8ft),  Out-to-Out Width: 16.8m (55.1ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 90.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 52.2 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: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160489,  Location: 0.3 M SE I-55 (Lat: 41.791450,  Lng: -87.815692),  Route carried "on" structure: State highway 171,  Year Built: 1963,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 5.07m (16.63ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 28,119 (year 2032),  Design Load: HS 20,  Features Intersected: RR - CN
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 39.524,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.2m (53.1ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 18.8m (61.7ft),  Curb-To-Curb Width: 16.2m (53.1ft),  Out-to-Out Width: 17.1m (56.1ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 91.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 53.8 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: Better than present minimum criteria,  Underclear: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160985,  Location: 0.2 M NW I-55 (Lat: 41.794792,  Lng: -87.824644),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 16.09m (52.79ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: DES PLAINES RIVER
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.377,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 17.7m (58.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 44.5m (146.0ft),  Curb-To-Curb Width: 12.2m (40.0ft),  Out-to-Out Width: 13.2m (43.3ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Good,  Channel: Good,  Operating Rating: 75.5 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 45.4 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: 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,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: Febuary 2021,  Underwater 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: 160987,  Location: 1.3 M SW IL 43 (Lat: 41.795653,  Lng: -87.822581),  Route carried "on" structure: Other road ,  Year Built: 1963,  Year Reconstructed: 1994,  Status: Open,  Structure Length: 26.61m (87.30ft),  Average Daily Traffic: 4,500 (year 2021),  Average Future Daily Traffic: 11,536 (year 2032),  Design Load: HS 20,  Features Intersected: DES PLAINES RIVER,  Facility Carried by Structure: I- 55 WB RMP IL171
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.402,  Lanes on structure: 1,  Base Highway Network: Yes (Inventory Route: 10055R40,  Subroute: 60),  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 6 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 8,  Length of Maximum Span: 33.8m (110.9ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.9m (29.2ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Satisfactory,  Channel: Fair,  Operating Rating: 70.0 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 41.8 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: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 27.19m (89.21ft),  Designated Inspection Frequency: Every 24 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: November 2020,  Underwater Inspection Date: September 2018,  Bridge Improvement Cost: $1,734,000,  Roadway Improvement Cost: $173,000,  Total Project Cost: $2,601,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 161026,  Location: 1.5 M SW IL 43 (Lat: 41.793844,  Lng: -87.824797),  Route carried "on" structure: Other road ,  Year Built: 1964,  Year Reconstructed: 2014,  Status: Open,  Structure Length: 20.96m (68.77ft),  Average Daily Traffic: 10,000 (year 2021),  Average Future Daily Traffic: 13,699 (year 2032),  Design Load: HS 20,  Features Intersected: DES PLAINES RIVER,  Facility Carried by Structure: IL 171 SB RMP I-55
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.370,  Lanes on structure: 1,  Base Highway Network: Yes (Inventory Route: 10055040,  Subroute: 30),  Owner: State Highway Agency,  Approaching Roadway Width: 7.9m (25.9ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 7,  Length of Maximum Span: 31.1m (102.0ft),  Curb-To-Curb Width: 7.9m (25.9ft),  Out-to-Out Width: 8.9m (29.2ft)

Condition: Deck: Satisfactory,  Superstructure: Poor,  Substructure: Good,  Channel: Satisfactory,  Operating Rating: 79.7 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 45.0 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,  Deck Geometry: High priority of corrective action,  Waterway Adequacy: Equal to present desirable criteria,  Approach Roadway Alignment: Better than present minimum criteria,  Length Of Structure Improvement: 21.24m (69.69ft),  Designated Inspection Frequency: Every 12 months,  Underwater Inspection Frequency: Every 48 months,  Inspection Date: May 2021,  Underwater Inspection Date: August 2018,  Bridge Improvement Cost: $1,611,000,  Roadway Improvement Cost: $161,000,  Total Project Cost: $2,417,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 16151,  Location: 1.4M SW of Il43 (Lat: 41.793372,  Lng: -87.820814),  Route carried "on" structure: State highway 171,  Year Built: 2015,  Status: Open,  Structure Length: 7.89m (25.89ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 28,119 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: I- 55 STEVENSON
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.039,  Lanes on structure: 3,  Lanes under structure: 7,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.6m (54.5ft),  Skew: 1 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.1m (92.2ft),  Curb-To-Curb Width: 16.6m (54.5ft),  Out-to-Out Width: 18.2m (59.7ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 64.2 metric tons,  Method Used To Determine Operating Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Inventory Rating: 49.6 metric tons,  Method Used To Determine Inventory Rating: Load and Resistance Factor Rating (LRFR) rating reported by rating factor(RF) method using HL-93 loadings,  Structural Evaluation: Equal to present desirable criteria,  Deck Geometry: 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: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 161511,  Location: 1.4 M SW of IL 43 (Lat: 41.793333,  Lng: -87.820714),  Route carried "on" structure: State highway 171,  Year Built: 2016,  Status: Open,  Structure Length: 7.89m (25.89ft),  Average Daily Traffic: 47,700 (year 2021),  Truck Traffic: 16%,  Average Future Daily Traffic: 20,000 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: I- 55 STEVENSON
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.023,  Lanes on structure: 3,  Lanes under structure: 7,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.9m (48.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 28.1m (92.2ft),  Curb-To-Curb Width: 14.9m (48.9ft),  Out-to-Out Width: 15.9m (52.2ft)

Condition: Deck: Good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 71.6 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: 55.1 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,  Deck Geometry: Equal to present minimum criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 161512,  Location: 1.4M SW of IL43 (Lat: 41.792178,  Lng: -87.822108),  Route carried "on" structure: Other road ,  Year Built: 2015,  Status: Open,  Structure Length: 8.63m (28.31ft),  Average Daily Traffic: 10,000 (year 2021),  Average Future Daily Traffic: 9,588 (year 2032),  Design Load: HS 25 or greater,  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 SB RMP I-55
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.724,  Lanes on structure: 1,  Lanes under structure: 7,  Base Highway Network: Yes (Inventory Route: 10055040,  Subroute: 30),  Owner: State Highway Agency,  Approaching Roadway Width: 9.8m (32.2ft),  Skew: 3 degrees,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  Length of Maximum Span: 35.3m (115.8ft),  Curb-To-Curb Width: 9.8m (32.2ft),  Out-to-Out Width: 10.7m (35.1ft)

Condition: Deck: Very good,  Superstructure: Very good,  Substructure: Very good,  Operating Rating: 60.3 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: 47.3 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,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: November 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162021,  Location: 0.5 M W IL 43 (Lat: 41.796522,  Lng: -87.808156),  Route carried "on" structure: Interstate 55,  Year Built: 1964,  Status: Open,  Structure Length: 0.71m (2.33ft),  Average Daily Traffic: 66,150 (year 2021),  Truck Traffic: 10%,  Average Future Daily Traffic: 84,409 (year 2032),  Features Intersected: RR - CN SPUR
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 455.722,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 40.2m (131.9ft),  Skew: 10 degrees,  Material/Design: Concrete,  Design/Construction: Culvert,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 6.8m (22.3ft),  Curb-To-Curb Width: 34.1m (111.9ft),  Out-to-Out Width: 34.7m (113.8ft)

Condition: Culverts: Satisfactory,  Operating Rating: 53.8 metric tons,  Method Used To Determine Operating Rating: Field evaluation and documented engineering judgment,  Inventory Rating: 32.4 metric tons,  Method Used To Determine Inventory Rating: Field evaluation and documented engineering judgment,  Structural Evaluation: Equal to present minimum criteria,  Deck Geometry: Superior to present desirable criteria,  Underclear: Meets minimum limits,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: September 2020,  Deck Structure Type: Other

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Structure Number: 162408,  Location: 1 M N ARCHER AVE (Lat: 41.791867,  Lng: -87.815772),  Route carried "on" structure: Other road ,  Year Built: 1981,  Year Reconstructed: 2001,  Status: Open,  Structure Length: 19.36m (63.52ft),  Average Daily Traffic: 4,650 (year 2017),  Average Future Daily Traffic: 2,275 (year 2032),  Design Load: HS 20,  Features Intersected: SAN & SHIP CANAL,  Facility Carried by Structure: IL 171 NB TO I-55
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.097,  Lanes on structure: 1,  Base Highway Network: Yes (Inventory Route: 10055R40,  Subroute: 50),  Owner: State Highway Agency,  Approaching Roadway Width: 6.7m (22.0ft),  Skew: 2 degrees,  Navigation Control: Yes ( Vertical Clearance: 12.2m (40.0ft), Horizontal Clearance: 48.8m (160.1ft)),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 5,  Length of Maximum Span: 57.4m (188.3ft),  Curb-To-Curb Width: 7.6m (24.9ft),  Out-to-Out Width: 8.5m (27.9ft)

Condition: Deck: Satisfactory,  Superstructure: Fair,  Substructure: Good,  Channel: Very good,  Operating Rating: 82.6 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 49.2 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: High priority of replacement,  Waterway Adequacy: Superior 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: November 2020,  Underwater Inspection Date: July 2020,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Wearing Surface: Latex Concrete,  Membrane: Built-up

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Structure Number: 162454,  Location: 1.0 M W OF I-55 (Lat: 41.796156,  Lng: -87.828336),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 11.03m (36.19ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: RR - BNSF
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.747,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 33.2m (108.9ft),  Curb-To-Curb Width: 14.7m (48.2ft),  Out-to-Out Width: 15.7m (51.5ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 58.3 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 35.0 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,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162455,  Location: 1.0 M W OF I-55 (Lat: 41.796225,  Lng: -87.828528),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 11.52m (37.80ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: RR - BNSF
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.764,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 4,  Length of Maximum Span: 36.6m (120.1ft),  Curb-To-Curb Width: 13.4m (44.0ft),  Out-to-Out Width: 15.2m (49.9ft)

Condition: Deck: Very good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 59.9 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 36.0 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: Somewhat better than minimum adequacy,  Underclear: Superior to present desirable criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162456,  Location: 0.5 M SE JOLIET RD (Lat: 41.795547,  Lng: -87.826678),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2016,  Status: Open,  Structure Length: 29.44m (96.59ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: STA 53&15 TO 63&18
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.538,  Lanes on structure: 2,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 12,  Length of Maximum Span: 40.4m (132.5ft),  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.0m (36.1ft)

Condition: Deck: Very good,  Superstructure: Fair,  Substructure: Good,  Operating Rating: 65.8 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 37.9 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,  Approach Roadway Alignment: Equal to present desirable criteria,  Length Of Structure Improvement: 31.73m (104.10ft),  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Bridge Improvement Cost: $4,445,000,  Roadway Improvement Cost: $445,000,  Total Project Cost: $6,668,000,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162457,  Location: 0.5 M SE JOLIET RD (Lat: 41.795897,  Lng: -87.827631),  Route carried "on" structure: State highway 171,  Year Built: 1964,  Year Reconstructed: 2015,  Status: Open,  Structure Length: 29.67m (97.34ft),  Average Daily Traffic: 38,500 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 18,695 (year 2032),  Design Load: HS 20,  Features Intersected: STA 53&15 TO 63&18
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 40.699,  Lanes on structure: 3,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 16.5m (54.1ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 12,  Length of Maximum Span: 32.4m (106.3ft),  Curb-To-Curb Width: 16.4m (53.8ft),  Out-to-Out Width: 18.1m (59.4ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Good,  Operating Rating: 66.4 metric tons,  Method Used To Determine Operating Rating: Load Factor (LF) rating reported by rating factor (RF) method using MS18 loading,  Inventory Rating: 39.9 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: Better than present minimum criteria,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: December 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162542,  Location: 0.1 M S OF 63RD ST (Lat: 41.776403,  Lng: -87.814536),  Route carried "on" structure: City street ,  Year Built: 1991,  Status: Open,  Structure Length: 2.30m (7.55ft),  Average Daily Traffic: 500 (year 2018),  Truck Traffic: 9%,  Average Future Daily Traffic: 1,133 (year 2032),  Design Load: HS 20,  Features Intersected: IL 171 (ARCHER AVE),  Facility Carried by Structure: SERVICE RD NE
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.064,  Lanes on structure: 2,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 9.1m (29.9ft),  Skew: 1 degrees,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 22.1m (72.5ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.5m (37.7ft)

Condition: Deck: Good,  Superstructure: Satisfactory,  Substructure: Satisfactory,  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: 60.3 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Equal to present desirable criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: June 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 162543,  Location: 0.05 M S OF 63RD ST (Lat: 41.775819,  Lng: -87.814472),  Route carried "on" structure: Other road ,  Year Built: 1987,  Status: Open,  Structure Length: 2.26m (7.41ft),  Average Daily Traffic: 512 (year 2018),  Truck Traffic: 34%,  Average Future Daily Traffic: 1,020 (year 2032),  Features Intersected: IL 171 (ARCHER AVE),  Facility Carried by Structure: SERVICE RD SW
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 0.048,  Lanes on structure: 1,  Lanes under structure: 4,  Owner: State Highway Agency,  Approaching Roadway Width: 12.8m (42.0ft),  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 1,  Length of Maximum Span: 21.3m (69.9ft),  Curb or Sidewalk Widths: Left: 1.5m (4.9ft),  Right: 0.0m,  Curb-To-Curb Width: 9.1m (29.9ft),  Out-to-Out Width: 11.4m (37.4ft)

Condition: Deck: Good,  Superstructure: Good,  Substructure: Satisfactory,  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: 60.3 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,  Underclear: High priority of corrective action,  Approach Roadway Alignment: High priority of corrective action,  Designated Inspection Frequency: Every 24 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: 162607,  Location: AT 60TH PL (Lat: 41.783794,  Lng: -87.811728),  Route carried "on" structure: State highway 171,  Year Built: 1995,  Status: Open,  Structure Length: 4.07m (13.35ft),  Average Daily Traffic: 26,700 (year 2021),  Truck Traffic: 11%,  Average Future Daily Traffic: 27,604 (year 2032),  Design Load: HS 20,  Features Intersected: RR - IHB
Minimum Vertical Clearance: 30+ m (98+ ft),  Kilometerpoint: 38.205,  Lanes on structure: 4,  Base Highway Network: Yes,  Owner: State Highway Agency,  Approaching Roadway Width: 14.3m (46.9ft),  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Number Of Spans In Main Unit: 3,  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: 15.5m (50.9ft),  Out-to-Out Width: 19.2m (63.0ft)

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: Meets minimum limits,  Underclear: High priority of corrective action,  Approach Roadway Alignment: Better than present minimum criteria,  Designated Inspection Frequency: Every 24 months,  Inspection Date: October 2021,  Deck Structure Type: Concrete Cast-file-Place,  Wearing Surface/Protective System: Deck Protection: Epoxy Coated Reinforcing

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Structure Number: 160014,  Location: 0.9 M SW ILL 43 (Lat: 41.796658,  Lng: -87.816581),  Route carried "under" structure: City street ,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 200 (year 1998),  Features Intersected: SAN & SHIP CANAL,  Facility Carried by Structure: I- 55 EB STEVENSON
Minimum Vertical Clearance: 6.93m (22.74ft),  Kilometerpoint: 0.370,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 73.3m (240.5ft)

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Structure Number: 160015,  Location: 0.9 M SW ILL 43 (Lat: 41.796706,  Lng: -87.816397),  Route carried "under" structure: City street ,  Year Built: 1964,  Structure Length: 0. m,  Average Daily Traffic: 200 (year 1998),  Features Intersected: SAN & SHIP CANAL,  Facility Carried by Structure: I- 55 WB STEVENSON
Minimum Vertical Clearance: 6.91m (22.67ft),  Kilometerpoint: 0.386,  Lanes on structure: 4,  Lanes under structure: 2,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 73.3m (240.5ft)

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Structure Number: 160486,  Location: 0.2 M SE I-55 (Lat: 41.792842,  Lng: -87.818850),  Route carried "under" structure: Other road ,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 10,000 (year 2021),  Features Intersected: S&S CANAL,  Facility Carried by Structure: IL 171 SB FIRST AV
Minimum Vertical Clearance: 4.93m (16.17ft),  Kilometerpoint: 1.352,  Lanes on structure: 2,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 52.9m (173.6ft)

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Structure Number: 160487,  Location: 0.2 M SE I-55 (Lat: 41.793061,  Lng: -87.818433),  Route carried "under" structure: Other road ,  Year Built: 1963,  Structure Length: 0. m,  Average Daily Traffic: 10,000 (year 2021),  Features Intersected: S&S CANAL,  Facility Carried by Structure: IL 171 NB FIRST AV
Minimum Vertical Clearance: 4.90m (16.08ft),  Kilometerpoint: 1.368,  Lanes on structure: 2,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 52.9m (173.6ft)

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Structure Number: 160881,  Location: 0.26 M N 55TH P10 (Lat: 41.793367,  Lng: -87.812958),  Route carried "under" structure: Other road ,  Year Built: 1900,  Structure Length: 0. m,  Average Daily Traffic: 475 (year 2018),  Truck Traffic: 42%,  Features Intersected: LAWNDALE AVE,  Facility Carried by Structure: GM&O RR
Minimum Vertical Clearance: 4.19m (13.75ft),  Kilometerpoint: 0.145,  Lanes under structure: 2,  Material/Design: Steel,  Length of Maximum Span: 9.4m (30.8ft)

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Structure Number: 16151,  Location: 1.4M SW of Il43 (Lat: 41.793489,  Lng: -87.821447),  Route carried "under" structure: Other road ,  Year Built: 2015,  Structure Length: 0. m,  Average Daily Traffic: 8,600 (year 2021),  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 SB FIRST AV
Minimum Vertical Clearance: 4.70m (15.42ft),  Kilometerpoint: 0.740,  Lanes on structure: 3,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.1m (92.2ft)

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Structure Number: 16151,  Location: 1.4M SW of Il43 (Lat: 41.793325,  Lng: -87.821003),  Route carried "under" structure: Interstate 55,  Year Built: 2015,  Structure Length: 0. m,  Average Daily Traffic: 121,800 (year 2021),  Truck Traffic: 11%,  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 SB FIRST AV
Minimum Vertical Clearance: 4.78m (15.68ft),  Kilometerpoint: 454.450,  Lanes on structure: 3,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.1m (92.2ft)

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Structure Number: 161511,  Location: 1.4 M SW of IL 43 (Lat: 41.793731,  Lng: -87.821217),  Route carried "under" structure: Other road ,  Year Built: 2016,  Structure Length: 0. m,  Average Daily Traffic: 8,600 (year 2021),  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 NB FIRST AV
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 0.708,  Lanes on structure: 3,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.1m (92.2ft)

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Structure Number: 161511,  Location: 1.4 M SW of IL 43 (Lat: 41.793564,  Lng: -87.820775),  Route carried "under" structure: Interstate 55,  Year Built: 2016,  Structure Length: 0. m,  Average Daily Traffic: 121,800 (year 2021),  Truck Traffic: 11%,  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 NB FIRST AV
Minimum Vertical Clearance: 4.62m (15.16ft),  Kilometerpoint: 454.482,  Lanes on structure: 3,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 28.1m (92.2ft)

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Structure Number: 161512,  Location: 1.4M SW of IL43 (Lat: 41.792225,  Lng: -87.822639),  Route carried "under" structure: Other road ,  Year Built: 2015,  Structure Length: 0. m,  Average Daily Traffic: 12,800 (year 2021),  Truck Traffic: 6%,  Features Intersected: I- 55 STEVENSON,  Facility Carried by Structure: IL 171 SB RMP I-55
Minimum Vertical Clearance: 4.75m (15.58ft),  Kilometerpoint: 0.917,  Lanes on structure: 1,  Lanes under structure: 1,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.3m (115.8ft)

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Structure Number: 161512,  Location: 1.4M SW of IL43 (Lat: 41.792178,  Lng: -87.822108),  Route carried "under" structure: Interstate 55,  Year Built: 2015,  Structure Length: 0. m,  Average Daily Traffic: 121,800 (year 2021),  Truck Traffic: 11%,  Features Intersected: I- 55 STEVENSON
Minimum Vertical Clearance: 4.88m (16.01ft),  Kilometerpoint: 454.321,  Lanes on structure: 1,  Lanes under structure: 6,  Material/Design: Steel continuous,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 35.3m (115.8ft)

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Structure Number: 162542,  Location: 0.1 M S OF 63RD ST (Lat: 41.776353,  Lng: -87.814428),  Route carried "under" structure: State highway 171,  Year Built: 1991,  Structure Length: 0. m,  Average Daily Traffic: 25,900 (year 2021),  Truck Traffic: 9%,  Features Intersected: IL 171 (ARCHER AVE),  Facility Carried by Structure: SERVICE RD NE
Minimum Vertical Clearance: 4.72m (15.49ft),  Kilometerpoint: 37.384,  Lanes on structure: 2,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 22.1m (72.5ft)

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Structure Number: 162543,  Location: 0.05 M S OF 63RD ST (Lat: 41.775961,  Lng: -87.814689),  Route carried "under" structure: State highway 171,  Year Built: 1987,  Structure Length: 0. m,  Average Daily Traffic: 25,900 (year 2021),  Truck Traffic: 9%,  Features Intersected: IL 171 (ARCHER AVE),  Facility Carried by Structure: SERVICE RD SW
Minimum Vertical Clearance: 4.45m (14.60ft),  Kilometerpoint: 37.352,  Lanes on structure: 1,  Lanes under structure: 4,  Material/Design: Steel,  Design/Construction: Stringer/Multi-beam,  Length of Maximum Span: 21.3m (69.9ft)