US 89 over Greenfields South Canal
Good Condition43 years old1,798 vehicles/day
Location
| State | Montana |
| County | Teton |
| Location | 3m SE Fairfield |
| Carries | US 89 |
| Crosses | Greenfields South Canal |
| Coordinates | 47.59684, -111.93723 |
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 | 70.9 ft (21.6 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 46.3 ft (14.1 m) |
| Deck Area | 304.6 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 1,798 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00003020+03001 |