US 12 over South Fork Smith River
Fair Condition29 years old1,023 vehicles/day
Location
| State | Montana |
| County | Meagher |
| Location | 8m S White Sulphur Spr |
| Carries | US 12 |
| Crosses | South Fork Smith River |
| Coordinates | 46.42387, -110.90436 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 72.5 ft (22.1 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 52.8 ft (16.1 m) |
| Deck Area | 355.8 sq m |
| Main Spans | 1 |
| Year Built | 1997 |
Traffic
| Avg Daily Traffic | 1,023 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00014033+05541 |