S 12th RD over Huntley Main Canal 156
Fair Condition50 years old9 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 6m NE Huntley |
| Carries | S 12th RD |
| Crosses | Huntley Main Canal 156 |
| Coordinates | 45.93102, -108.19580 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 41.0 ft (12.5 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 91.2 sq m |
| Main Spans | 1 |
| Year Built | 1976 (reconstructed 1993) |
Traffic
| Avg Daily Traffic | 9 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56053011+01001 |