US 89 over Greenfields South Canal
Good Condition66 years old1,757 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 5m E Fairfield |
| Carries | US 89 |
| Crosses | Greenfields South Canal |
| Coordinates | 47.59651, -111.88557 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 63.0 ft (19.2 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 241.9 sq m |
| Main Spans | 1 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 1,757 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00003017+09661 |