Old Highway 85 over Hay Ck
Fair Condition94 years old21 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 6n 14.7w Of Hoover |
| Carries | Old Highway 85 |
| Crosses | Hay Ck |
| Coordinates | 45.19866, -103.56830 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 48.6 sq m |
| Main Spans | 2 |
| Year Built | 1932 |
Traffic
| Avg Daily Traffic | 21 (2022) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010239010 |