Lone Mountain Trl over N Fk W Gallatin Riv 005
Good Condition44 years old5,180 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 4m W Big Sky |
| Carries | Lone Mountain Trl |
| Crosses | N Fk W Gallatin Riv 005 |
| Coordinates | 45.26797, -111.32082 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Area | 63.4 sq m |
| Main Spans | 1 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 5,180 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L16064003+09001 |