I 24 WB over Tunnel Hill State Tr
Fair Condition55 years old10,000 vehicles/day
Location
| State | Illinois |
| County | Johnson |
| Location | 1 Mi N Of Ill 146 |
| Carries | I 24 WB |
| Crosses | Tunnel Hill State Tr |
| Coordinates | 37.42952, -88.87847 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 159.1 ft (48.5 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 616.0 sq m |
| Main Spans | 3 |
| Year Built | 1971 |
Traffic
| Avg Daily Traffic | 10,000 (2024) |
| Truck Traffic | 37% |
| Lanes On Bridge | 2 |
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 | 044004300000000 |