I- 55 WB Stevenson over Lock ST
Fair Condition63 years old75,500 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.1 M SW I94 |
| Carries | I- 55 WB Stevenson |
| Crosses | Lock ST |
| Coordinates | 41.84067, -87.66142 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 194.9 ft (59.4 m) |
| Max Span | 69.2 ft (21.1 m) |
| Deck Width | 72.5 ft (22.1 m) |
| Deck Area | 1312.7 sq m |
| Main Spans | 3 |
| Year Built | 1963 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 75,500 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016002700000000 |