Crow Rock RD over Grimes Creek 010
Fair Condition40 years old100 vehicles/day
Location
| State | Montana |
| County | Custer |
| Location | 19m NW Miles City |
| Carries | Crow Rock RD |
| Crosses | Grimes Creek 010 |
| Coordinates | 46.61194, -106.08066 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 35.4 ft (10.8 m) |
| Max Span | 34.1 ft (10.4 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 78.8 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
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 | L09011001+09001 |