N Last Chance Gulc over Rr
Good Condition23 years old18,569 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | Helena |
| Carries | N Last Chance Gulc |
| Crosses | Rr |
| Coordinates | 46.60276, -112.02801 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Tee Beam |
| Total Length | 144.0 ft (43.9 m) |
| Max Span | 67.9 ft (20.7 m) |
| Deck Width | 92.2 ft (28.1 m) |
| Deck Area | 1233.6 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 18,569 (2023) |
| 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 | U05807000+07711 |