S 43 over Big Hole River
Fair Condition66 years old353 vehicles/day
Location
| State | Montana |
| County | Deer Lodge |
| Location | 16m NE Wisdom |
| Carries | S 43 |
| Crosses | Big Hole River |
| Coordinates | 45.80762, -113.31331 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 234.6 ft (71.5 m) |
| Max Span | 60.7 ft (18.5 m) |
| Deck Width | 31.5 ft (9.6 m) |
| Deck Area | 686.4 sq m |
| Main Spans | 4 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 353 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00046041+08581 |