Mt 55 over Fish Creek
Poor Condition73 years old1,858 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | 9m SW Whitehall |
| Carries | Mt 55 |
| Crosses | Fish Creek |
| Coordinates | 45.76660, -112.18153 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 7 (Good) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 38.1 ft (11.6 m) |
| Max Span | 19.0 ft (5.8 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 90.5 sq m |
| Main Spans | 2 |
| Year Built | 1953 |
Traffic
| Avg Daily Traffic | 1,858 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00055003+06271 |