County Line RD over Greenfield Canal 044
Fair Condition53 years old100 vehicles/day
Location
| State | Montana |
| County | Cascade |
| Location | 7m E Fairfield |
| Carries | County Line RD |
| Crosses | Greenfield Canal 044 |
| Coordinates | 47.61074, -111.83139 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 39.4 ft (12 m) |
| Max Span | 37.4 ft (11.4 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 80.4 sq m |
| Main Spans | 1 |
| Year Built | 1973 (reconstructed 2005) |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L07019004+03001 |