Marshall Creek RD over Rock Creek
Poor Condition67 years old161 vehicles/day
Location
| State | Montana |
| County | Granite |
| Location | 14m W Philipsburg |
| Carries | Marshall Creek RD |
| Crosses | Rock Creek |
| Coordinates | 46.32978, -113.53645 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 102.0 ft (31.1 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 255.0 sq m |
| Main Spans | 2 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 161 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | S00348014+02001 |