S 59 over North Fork Sunday Creek
Fair Condition63 years old727 vehicles/day
Location
| State | Montana |
| County | Custer |
| Location | 10m NW Miles City |
| Carries | S 59 |
| Crosses | North Fork Sunday Creek |
| Coordinates | 46.52636, -106.00067 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 122.7 ft (37.4 m) |
| Max Span | 60.7 ft (18.5 m) |
| Deck Width | 30.8 ft (9.4 m) |
| Deck Area | 351.6 sq m |
| Main Spans | 2 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 727 (2023) |
| Truck Traffic | 9% |
| 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 | P00018011+00851 |