Murphys LN over Yellowstone River 004
Fair Condition77 years old1,471 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | E Emigrant |
| Carries | Murphys LN |
| Crosses | Yellowstone River 004 |
| Coordinates | 45.36774, -110.72697 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 303.5 ft (92.5 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 693.8 sq m |
| Main Spans | 4 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,471 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L34206000+04001 |