S 69 over Boulder River
Fair Condition23 years old3,016 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | Boulder |
| Carries | S 69 |
| Crosses | Boulder River |
| Coordinates | 46.23151, -112.12122 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 177.2 ft (54 m) |
| Max Span | 88.6 ft (27 m) |
| Deck Width | 52.5 ft (16 m) |
| Deck Area | 864 sq m |
| Main Spans | 2 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 3,016 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00069037+02861 |