Lower River RD over Elk Creek 100
Good Condition50 years old66 vehicles/day
Location
| State | Montana |
| County | Sanders |
| Location | 1m E Heron |
| Carries | Lower River RD |
| Crosses | Elk Creek 100 |
| Coordinates | 48.05616, -115.93242 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Channel Beam |
| Total Length | 42.0 ft (12.8 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 78.1 sq m |
| Main Spans | 1 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 66 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L45036003+01001 |