6th LN NE over Greenfield Canal 042
Fair Condition57 years old100 vehicles/day
Location
| State | Montana |
| County | Teton |
| Location | N Greenfield |
| Carries | 6th LN NE |
| Crosses | Greenfield Canal 042 |
| Coordinates | 47.64264, -111.85954 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Wood or Timber |
| Design | Stringer/Multi-beam |
| Total Length | 38.7 ft (11.8 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 25.6 ft (7.8 m) |
| Deck Area | 92.0 sq m |
| Main Spans | 3 |
| Year Built | 1969 (reconstructed 1986) |
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 | L50075002+08001 |