S 300 over Musselshell River
Fair Condition64 years old172 vehicles/day
Location
| State | Montana |
| County | Golden Valley |
| Location | Ryegate |
| Carries | S 300 |
| Crosses | Musselshell River |
| Coordinates | 46.29390, -109.25784 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 141.4 ft (43.1 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 353.4 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 172 (2023) |
| Truck Traffic | 11% |
| 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 | S00300000+02001 |