S 200 over Blackfoot River
Fair Condition38 years old4,627 vehicles/day
Location
| State | Montana |
| County | Missoula |
| Location | 5m W Potomac |
| Carries | S 200 |
| Crosses | Blackfoot River |
| Coordinates | 46.91078, -113.67552 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 445.9 ft (135.9 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 49.2 ft (15 m) |
| Deck Area | 2038.5 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 4,627 (2023) |
| Truck Traffic | 5% |
| 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 | P00024011+01812 |