US 89 over Yellowstone River
Fair Condition68 years old2,289 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 11m SW Emigrant |
| Carries | US 89 |
| Crosses | Yellowstone River |
| Coordinates | 45.25409, -110.86813 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 450.1 ft (137.2 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 31.8 ft (9.7 m) |
| Deck Area | 1330.8 sq m |
| Main Spans | 4 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 2,289 (2023) |
| Truck Traffic | 3% |
| 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 | P00011020+04171 |