S 59 over South Fork Sunday Creek
Fair Condition96 years old1,474 vehicles/day
Location
| State | Montana |
| County | Custer |
| Location | 3m NW Miles City |
| Carries | S 59 |
| Crosses | South Fork Sunday Creek |
| Coordinates | 46.44842, -105.90328 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Tee Beam |
| Total Length | 164.0 ft (50 m) |
| Max Span | 46.3 ft (14.1 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 470 sq m |
| Main Spans | 4 |
| Year Built | 1930 (reconstructed 1963) |
Traffic
| Avg Daily Traffic | 1,474 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 423 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | P00018003+09001 |