S 278 over Drainage
Fair Condition56 years old396 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | Jackson |
| Carries | S 278 |
| Crosses | Drainage |
| Coordinates | 45.36665, -113.40934 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 32.5 ft (9.9 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 103.0 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 396 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00278043+03001 |