185 ST over Ck
Good Condition9 years old760 vehicles/day
Location
| State | South Dakota |
| County | Sully |
| Location | 6.2w Onida |
| Carries | 185 ST |
| Crosses | Ck |
| Coordinates | 44.70750, -100.19732 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 52.5 ft (16 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 136 sq m |
| Main Spans | 4 |
| Year Built | 2017 |
Traffic
| Avg Daily Traffic | 760 (2022) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000060253130 |