I- 55 WB Stevenson over San & Ship Canal
Fair Condition62 years old70,750 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.9 M SW Ill 43 |
| Carries | I- 55 WB Stevenson |
| Crosses | San & Ship Canal |
| Coordinates | 41.79642, -87.81294 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 699.1 ft (213.1 m) |
| Max Span | 240.5 ft (73.3 m) |
| Deck Width | 75.1 ft (22.9 m) |
| Deck Area | 4880.0 sq m |
| Main Spans | 5 |
| Year Built | 1964 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 70,750 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016001500000000 |