Lyndale Ave-us 12 over Great Northern Area
Good Condition23 years old20,397 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | Helena-lyndale AVE |
| Carries | Lyndale Ave-us 12 |
| Crosses | Great Northern Area |
| Coordinates | 46.59809, -112.03612 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete |
| Design | Arch - Deck |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 20.0 ft (6.1 m) |
| Deck Width | 98.1 ft (29.9 m) |
| Deck Area | 182.4 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 20,397 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00008043+03061 |