I-255 NB Mainline over I-270
Fair Condition32 years old20,250 vehicles/day
Location
| State | Illinois |
| County | Madison |
| Location | 1.9 Mi W Of Il 157 |
| Carries | I-255 NB Mainline |
| Crosses | I-270 |
| Coordinates | 38.75612, -90.04354 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 333.0 ft (101.5 m) |
| Max Span | 108.6 ft (33.1 m) |
| Deck Width | 67.6 ft (20.6 m) |
| Deck Area | 2090.9 sq m |
| Main Spans | 3 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 20,250 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 9 |
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 | 060024200000000 |