Green Mountain RD over Swamp Creek 030
Good Condition40 years old100 vehicles/day
Location
| State | Montana |
| County | Sanders |
| Location | 5m N Trout Creek |
| Carries | Green Mountain RD |
| Crosses | Swamp Creek 030 |
| Coordinates | 47.90628, -115.64239 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 24.3 ft (7.4 m) |
| Deck Area | 85.8 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L45017000+03001 |