US 191 Fh 42 over Gallatin River
Fair Condition74 years old8,952 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 4m NE Big Sky |
| Carries | US 191 Fh 42 |
| Crosses | Gallatin River |
| Coordinates | 45.28187, -111.22561 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 160.1 ft (48.8 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 492.9 sq m |
| Main Spans | 3 |
| Year Built | 1952 |
Traffic
| Avg Daily Traffic | 8,952 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00050049+08111 |