US 89 over Big Creek
Fair Condition66 years old2,289 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 7m SW Emigrant |
| Carries | US 89 |
| Crosses | Big Creek |
| Coordinates | 45.29921, -110.83145 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 89.9 ft (27.4 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 268.5 sq m |
| Main Spans | 3 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 2,289 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00011024+00721 |