US 191 Fh 42 over Gallatin River
Fair Condition76 years old8,952 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 14m S Gallatin Gateway |
| Carries | US 191 Fh 42 |
| Crosses | Gallatin River |
| Coordinates | 45.40757, -111.22631 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 233.9 ft (71.3 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 34.1 ft (10.4 m) |
| Deck Area | 741.5 sq m |
| Main Spans | 5 |
| Year Built | 1950 |
Traffic
| Avg Daily Traffic | 8,952 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00050061+03291 |