S 35 over Swan River
Fair Condition72 years old9,246 vehicles/day
Location
| State | Montana |
| County | Flathead |
| Location | Big Fork |
| Carries | S 35 |
| Crosses | Swan River |
| Coordinates | 48.06077, -114.07991 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 219.8 ft (67 m) |
| Max Span | 94.2 ft (28.7 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 676.7 sq m |
| Main Spans | 4 |
| Year Built | 1954 |
Traffic
| Avg Daily Traffic | 9,246 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00052031+00211 |