Tr-531 over Trib Gun Creek
Good Condition32 years old250 vehicles/day
Location
| State | Illinois |
| County | Jefferson |
| Location | 1 Mi E Ina |
| Carries | Tr-531 |
| Crosses | Trib Gun Creek |
| Coordinates | 38.14855, -88.87091 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 5 (Fair) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 27.9 ft (8.5 m) |
| Max Span | 8.9 ft (2.7 m) |
| Deck Area | 46.8 sq m |
| Main Spans | 3 |
| Year Built | 1994 |
Traffic
| Avg Daily Traffic | 250 (2021) |
| Truck Traffic | 22% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 041504700000000 |