US 87-us 89 over Box Elder Creek
Good Condition37 years old4,614 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 8m SE Great Falls |
| Carries | US 87-us 89 |
| Crosses | Box Elder Creek |
| Coordinates | 47.45436, -111.06072 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 75.1 ft (22.9 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 42.3 ft (12.9 m) |
| Deck Area | 295.4 sq m |
| Main Spans | 1 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 4,614 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00060082+03731 |