Il 171 SB Elevated over Sta 53&15 To 63&18
Fair Condition62 years old40,100 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.5 M SE Joliet RD |
| Carries | Il 171 SB Elevated |
| Crosses | Sta 53&15 To 63&18 |
| Coordinates | 41.79590, -87.82763 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 973.4 ft (296.7 m) |
| Max Span | 106.3 ft (32.4 m) |
| Deck Width | 59.4 ft (18.1 m) |
| Deck Area | 5370.3 sq m |
| Main Spans | 12 |
| Year Built | 1964 (reconstructed 2015) |
Traffic
| Avg Daily Traffic | 40,100 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016245700000000 |