I-39 Sb/us 51 SB over Tomahawk Creek
Fair Condition47 years old9,300 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | 3.5 Mi N Of I-80 |
| Carries | I-39 Sb/us 51 SB |
| Crosses | Tomahawk Creek |
| Coordinates | 41.41936, -89.05849 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 136.2 ft (41.5 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 531.2 sq m |
| Main Spans | 2 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 9,300 (2023) |
| Truck Traffic | 44% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050017300000000 |