Number 4 RD over Mussleshell River 011
Good Condition31 years old100 vehicles/day
Location
| State | Montana |
| County | Musselshell |
| Location | 1m E Roundup |
| Carries | Number 4 RD |
| Crosses | Mussleshell River 011 |
| Coordinates | 46.44646, -108.51256 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 169.0 ft (51.5 m) |
| Max Span | 84.0 ft (25.6 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 412 sq m |
| Main Spans | 2 |
| Year Built | 1995 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L33045000+04001 |