I 15 over Little Muddy Creek
Good Condition68 years old2,455 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 6m N Cascade |
| Carries | I 15 |
| Crosses | Little Muddy Creek |
| Coordinates | 47.34859, -111.61433 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 100.1 ft (30.5 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 384.3 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 2,455 (2023) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015262+06422 |