I- 57 NB over 143rd ST & Rrs
Fair Condition59 years old54,850 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 6.5 M SW Ill 1 |
| Carries | I- 57 NB |
| Crosses | 143rd ST & Rrs |
| Coordinates | 41.62956, -87.67248 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 919.3 ft (280.2 m) |
| Max Span | 147.6 ft (45 m) |
| Deck Width | 75.5 ft (23 m) |
| Deck Area | 6444.6 sq m |
| Main Spans | 8 |
| Year Built | 1967 (reconstructed 2021) |
Traffic
| Avg Daily Traffic | 54,850 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016005800000000 |