S 1 over Willow Creek
Good Condition27 years old1,325 vehicles/day
Location
| State | Montana |
| County | Granite |
| Location | 4m S Drummond |
| Carries | S 1 |
| Crosses | Willow Creek |
| Coordinates | 46.61377, -113.17766 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 66.6 ft (20.3 m) |
| Max Span | 62.0 ft (18.9 m) |
| Deck Width | 38.4 ft (11.7 m) |
| Deck Area | 237.5 sq m |
| Main Spans | 1 |
| Year Built | 1999 |
Traffic
| Avg Daily Traffic | 1,325 (2023) |
| Truck Traffic | 3% |
| 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 | P00019059+07341 |