Il 255 (fap 310) over Il 140
Good Condition21 years old16,900 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | Bethalto |
| Carries | Il 255 (fap 310) |
| Crosses | Il 140 |
| Coordinates | 38.90259, -90.06488 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 520.3 ft (158.6 m) |
| Max Span | 219.8 ft (67 m) |
| Deck Width | 90.2 ft (27.5 m) |
| Deck Area | 4361.5 sq m |
| Main Spans | 3 |
| Year Built | 2005 |
Traffic
| Avg Daily Traffic | 16,900 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 060029400000000 |