Us085 over Four Mile Ck
Fair Condition61 years old1,190 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 8.4 S Harding Co Line |
| Carries | Us085 |
| Crosses | Four Mile Ck |
| Coordinates | 45.08839, -103.54866 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 3 — Scour critical |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 158.1 ft (48.2 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 472.4 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 1,190 (2024) |
| Truck Traffic | 31% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010250086 |