Cottonwood RD over Boulder River 009
Good Condition43 years old100 vehicles/day
Location
| State | Montana |
| County | Jefferson |
| Location | 1m NE Cardwell |
| Carries | Cottonwood RD |
| Crosses | Boulder River 009 |
| Coordinates | 45.88149, -111.94080 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 79.1 ft (24.1 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 16.1 ft (4.9 m) |
| Deck Area | 118.1 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L22319001+00001 |