Tr-178 over Big Muddy River
Fair Condition41 years old75 vehicles/day
Location
| State | Illinois |
| County | Jefferson |
| Location | 2 Mi W Mt Vernon |
| Carries | Tr-178 |
| Crosses | Big Muddy River |
| Coordinates | 38.31973, -88.99773 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 91.9 ft (28 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 204.4 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 75 (2021) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 041364100000000 |