Heron RD over Cabinet Gorge Res 049
Good Condition9 years old539 vehicles/day
Location
| State | Montana |
| County | Sanders |
| Location | 1m W Heron |
| Carries | Heron RD |
| Crosses | Cabinet Gorge Res 049 |
| Coordinates | 48.06833, -115.97917 |
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 | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 767.4 ft (233.9 m) |
| Max Span | 375.0 ft (114.3 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 2385.8 sq m |
| Main Spans | 3 |
| Year Built | 2017 |
Traffic
| Avg Daily Traffic | 539 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000004323 |