3 Mile RD over Salt Creek 055
Fair Condition64 years old100 vehicles/day
Location
| State | Montana |
| County | Fergus |
| Location | 6m W Suffolk |
| Carries | 3 Mile RD |
| Crosses | Salt Creek 055 |
| Coordinates | 47.48052, -109.47501 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Slab |
| Total Length | 50.9 ft (15.5 m) |
| Max Span | 24.9 ft (7.6 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 107.0 sq m |
| Main Spans | 2 |
| Year Built | 1962 |
Traffic
| Avg Daily Traffic | 100 (2025) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | L14010005+04001 |