S 141 over Blackfoot River
Fair Condition22 years old1,674 vehicles/day
Location
| State | Montana |
| County | Powell |
| Location | 7m NE Helmville |
| Carries | S 141 |
| Crosses | Blackfoot River |
| Coordinates | 46.94175, -112.94755 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 194.6 ft (59.3 m) |
| Max Span | 106.0 ft (32.3 m) |
| Deck Width | 37.4 ft (11.4 m) |
| Deck Area | 676.0 sq m |
| Main Spans | 2 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 1,674 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00041032+04711 |