S 4th RD over Huntley Main Canal 146
Good Condition40 years old79 vehicles/day
Location
| State | Montana |
| County | Yellowstone |
| Location | 1m NE Huntley |
| Carries | S 4th RD |
| Crosses | Huntley Main Canal 146 |
| Coordinates | 45.90651, -108.27970 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 73.2 ft (22.3 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 176.2 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 79 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L56035000+03001 |