S 209 over Swan River
Good Condition8 years old1,968 vehicles/day
Location
| State | Montana |
| County | Flathead |
| Location | 5m E Big Fork |
| Carries | S 209 |
| Crosses | Swan River |
| Coordinates | 48.05168, -113.98236 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 211.6 ft (64.5 m) |
| Max Span | 205.4 ft (62.6 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 851.4 sq m |
| Main Spans | 1 |
| Year Built | 2018 |
Traffic
| Avg Daily Traffic | 1,968 (2023) |
| Truck Traffic | 2% |
| 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 | 000000000006381 |