Primrose LN over Jefferson River
Fair Condition23 years old110 vehicles/day
Location
| State | Montana |
| County | Madison |
| Location | Silver Star |
| Carries | Primrose LN |
| Crosses | Jefferson River |
| Coordinates | 45.68615, -112.28386 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 224.7 ft (68.5 m) |
| Max Span | 74.1 ft (22.6 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 623.4 sq m |
| Main Spans | 3 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 110 (2023) |
| Truck Traffic | 1% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is eligible for the National Register |
| Structure Number | S00422000+01001 |