Il 171 NB over Joliet Rd&bn Rr Spur
Fair Condition62 years old40,100 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.8 M NW I-55 |
| Carries | Il 171 NB |
| Crosses | Joliet Rd&bn Rr Spur |
| Coordinates | 41.79892, -87.83293 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 343.2 ft (104.6 m) |
| Max Span | 82.3 ft (25.1 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 1244.7 sq m |
| Main Spans | 6 |
| Year Built | 1964 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 40,100 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 5 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016100600000000 |