I-39 Sb/us 51sb over I-80
Fair Condition47 years old9,300 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | 2.56 Mi W Of Fas 256 |
| Carries | I-39 Sb/us 51sb |
| Crosses | I-80 |
| Coordinates | 41.36778, -89.05908 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 254.9 ft (77.7 m) |
| Max Span | 106.0 ft (32.3 m) |
| Deck Width | 56.1 ft (17.1 m) |
| Deck Area | 1328.7 sq m |
| Main Spans | 2 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 9,300 (2023) |
| Truck Traffic | 44% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050017800000000 |