I-255 over Nsrr
Poor Condition46 years old41,500 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 0.5 Mi S Of Il 15 |
| Carries | I-255 |
| Crosses | Nsrr |
| Coordinates | 38.57879, -90.11269 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 2 (Critical) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 157.2 ft (47.9 m) |
| Max Span | 59.4 ft (18.1 m) |
| Deck Width | 130.6 ft (39.8 m) |
| Deck Area | 1906.4 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 41,500 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082022900000000 |