Mt-43 Fh 20 over Trail Creek
Fair Condition65 years old461 vehicles/day
Location
| State | Montana |
| County | Beaverhead |
| Location | 12m W Wisdom |
| Carries | Mt-43 Fh 20 |
| Crosses | Trail Creek |
| Coordinates | 45.64278, -113.69222 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 60.0 ft (18.3 m) |
| Max Span | 22.0 ft (6.7 m) |
| Deck Width | 31.2 ft (9.5 m) |
| Deck Area | 173.8 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 461 (2023) |
| Truck Traffic | 11% |
| 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 | P00046014+01231 |