I-255 SB over St. Clair AVE & Metrolin
Good Condition44 years old22,300 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 0.50 Mi N State ST |
| Carries | I-255 SB |
| Crosses | St. Clair AVE & Metrolin |
| Coordinates | 38.60827, -90.08206 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 511.2 ft (155.8 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 58.7 ft (17.9 m) |
| Deck Area | 2788.8 sq m |
| Main Spans | 7 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 22,300 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082023800000000 |