S 2 over Jefferson River
Fair Condition77 years old1,515 vehicles/day
Location
| State | Montana |
| County | Gallatin |
| Location | 2m W Three Forks |
| Carries | S 2 |
| Crosses | Jefferson River |
| Coordinates | 45.89693, -111.59628 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 247.0 ft (75.3 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 745.5 sq m |
| Main Spans | 3 |
| Year Built | 1949 |
Traffic
| Avg Daily Traffic | 1,515 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00013093+06931 |