Trail Creek RD over Mason Creek 059
Good Condition10 years old100 vehicles/day
Location
| State | Montana |
| County | Custer |
| Location | 49m E Miles City |
| Carries | Trail Creek RD |
| Crosses | Mason Creek 059 |
| Coordinates | 46.18033, -105.15175 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 80.1 ft (24.4 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 195.2 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L09302008+02001 |