US 191 over Big Timber Creek
Fair Condition29 years old1,341 vehicles/day
Location
| State | Montana |
| County | Sweet Grass |
| Location | 2m N Big Timber |
| Carries | US 191 |
| Crosses | Big Timber Creek |
| Coordinates | 45.85804, -109.93943 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 162.4 ft (49.5 m) |
| Max Span | 81.0 ft (24.7 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 579.1 sq m |
| Main Spans | 2 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 1,341 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00045001+07641 |