Lake Helena DR over Helena Valley Canal 073
Good Condition22 years old4,910 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | 2m N East Helena |
| Carries | Lake Helena DR |
| Crosses | Helena Valley Canal 073 |
| Coordinates | 46.61121, -111.89388 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 42.0 ft (12.8 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 121.9 sq m |
| Main Spans | 1 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 4,910 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L25034000+04001 |