Us085 over Hay Ck
Fair Condition63 years old15,432 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 0.8 N Jct Sd 34 |
| Carries | Us085 |
| Crosses | Hay Ck |
| Coordinates | 44.65927, -103.85571 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 151.6 ft (46.2 m) |
| Max Span | 30.5 ft (9.3 m) |
| Deck Width | 56.4 ft (17.2 m) |
| Deck Area | 794.6 sq m |
| Main Spans | 5 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 15,432 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010097382 |