I 15 over Sep Boulder Ave-rr
Fair Condition10 years old14,810 vehicles/day
Location
| State | Montana |
| County | Lewis and Clark |
| Location | Helena |
| Carries | I 15 |
| Crosses | Sep Boulder Ave-rr |
| Coordinates | 46.59856, -112.00315 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 791.0 ft (241.1 m) |
| Max Span | 211.9 ft (64.6 m) |
| Deck Width | 64.0 ft (19.5 m) |
| Deck Area | 4701.4 sq m |
| Main Spans | 4 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 14,810 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 3 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000000001178 |