Il 171 NB over Rr - Bnsf
Fair Condition62 years old40,100 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.0 M W Of I-55 |
| Carries | Il 171 NB |
| Crosses | Rr - Bnsf |
| Coordinates | 41.79616, -87.82834 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 361.9 ft (110.3 m) |
| Max Span | 108.9 ft (33.2 m) |
| Deck Width | 51.5 ft (15.7 m) |
| Deck Area | 1731.7 sq m |
| Main Spans | 4 |
| 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 | 016245400000000 |