US 191 Fh 42 over Swan Creek
Fair Condition17 years old8,952 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 12m NE Big Sky |
| Carries | US 191 Fh 42 |
| Crosses | Swan Creek |
| Coordinates | 45.37164, -111.17471 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 58.1 ft (17.7 m) |
| Max Span | 55.8 ft (17 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 286.7 sq m |
| Main Spans | 1 |
| Year Built | 2009 |
Traffic
| Avg Daily Traffic | 8,952 (2023) |
| Truck Traffic | 5% |
| 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 | P00050057+02881 |