S 431 over Muddy Creek
Good Condition56 years old493 vehicles/day
Location
| State | Montana |
| County | Teton |
| Location | 2m W Power |
| Carries | S 431 |
| Crosses | Muddy Creek |
| Coordinates | 47.71238, -111.72282 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 92.8 ft (28.3 m) |
| Max Span | 45.9 ft (14 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 294.3 sq m |
| Main Spans | 2 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 493 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00431017+02401 |