I 15 over Boulder Rvr-access RD
Fair Condition46 years old1,928 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | 2.5m W Boulder |
| Carries | I 15 |
| Crosses | Boulder Rvr-access RD |
| Coordinates | 46.24756, -112.17534 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 199.1 ft (60.7 m) |
| Max Span | 86.9 ft (26.5 m) |
| Deck Width | 44.3 ft (13.5 m) |
| Deck Area | 819.5 sq m |
| Main Spans | 3 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 1,928 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 2 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | I00015161+06911 |