S 200 over Blackfoot River
Fair Condition79 years old3,932 vehicles/day
Location
| State | Montana |
| County | Missoula |
| Location | 10m NE Potomac |
| Carries | S 200 |
| Crosses | Blackfoot River |
| Coordinates | 46.94494, -113.43184 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 248.0 ft (75.6 m) |
| Max Span | 122.0 ft (37.2 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 967.7 sq m |
| Main Spans | 3 |
| Year Built | 1947 (reconstructed 1991) |
Traffic
| Avg Daily Traffic | 3,932 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00024026+06871 |