185 Street over Medicine Knoll Ck
Fair Condition96 years old150 vehicles/day
Location
| State | South Dakota |
| County | Sully |
| Location | 14.2e Onida |
| Carries | 185 Street |
| Crosses | Medicine Knoll Ck |
| Coordinates | 44.70779, -99.77273 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | Unknown |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 29.9 ft (9.1 m) |
| Max Span | 28.9 ft (8.8 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 69.2 sq m |
| Main Spans | 1 |
| Year Built | 1930 (reconstructed 1958) |
Traffic
| Avg Daily Traffic | 150 (2022) |
| 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 | 000000060462130 |