I- 55 WB Stevenson over Throop ST
Fair Condition63 years old66,750 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.7 M SW I94 |
| Carries | I- 55 WB Stevenson |
| Crosses | Throop ST |
| Coordinates | 41.84428, -87.65341 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 180.1 ft (54.9 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 72.2 ft (22 m) |
| Deck Area | 1207.8 sq m |
| Main Spans | 3 |
| Year Built | 1963 (reconstructed 2000) |
Traffic
| Avg Daily Traffic | 66,750 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016003100000000 |