IRR - S 350 over Big Muddy Creek
Fair Condition69 years old28 vehicles/day
Location
| State | Montana |
| County | Sheridan |
| Location | 9m NW Froid |
| Carries | IRR - S 350 |
| Crosses | Big Muddy Creek |
| Coordinates | 48.41844, -104.56300 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 109.9 ft (33.5 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 271.4 sq m |
| Main Spans | 3 |
| Year Built | 1957 |
Traffic
| Avg Daily Traffic | 28 (2023) |
| Truck Traffic | 21% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00350003+00001 |