Swamp Creek RD over Big Timber Creek
Good Condition7 years old100 vehicles/day
Location
| State | Montana |
| County | Sweet Grass |
| Location | 4m N Big Timber |
| Carries | Swamp Creek RD |
| Crosses | Big Timber Creek |
| Coordinates | 45.88626, -109.95935 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 144.5 sq m |
| Main Spans | 1 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000201904511 |