Guest Ranch RD over Swan River 056
Fair Condition48 years old100 vehicles/day
Location
| State | Montana |
| County | Missoula |
| Location | 1.5m S Condon |
| Carries | Guest Ranch RD |
| Crosses | Swan River 056 |
| Coordinates | 47.50493, -113.69282 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 56.1 ft (17.1 m) |
| Max Span | 55.1 ft (16.8 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 145.3 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L32665000+02001 |