US 89 over Willow Creek
Good Condition42 years old1,457 vehicles/day
Location
| State | Montana |
| County | Park |
| Location | 7m SE Clyde Park |
| Carries | US 89 |
| Crosses | Willow Creek |
| Coordinates | 45.79943, -110.51916 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 36.1 ft (11 m) |
| Max Span | 35.1 ft (10.7 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 155.1 sq m |
| Main Spans | 1 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 1,457 (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 | P00059007+07711 |