Tr 317 over Trib Little Muddy
Good Condition43 years old20 vehicles/day
Location
| State | Illinois |
| County | Franklin |
| Location | NW Of Royalton |
| Carries | Tr 317 |
| Crosses | Trib Little Muddy |
| Coordinates | 37.91778, -89.14566 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 24.0 ft (7.3 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 59.1 sq m |
| Main Spans | 2 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 20 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 622 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 028325700000000 |