Sd034 over Hay Ck
Fair Condition70 years old1,127 vehicles/day
Location
| State | South Dakota |
| County | Butte |
| Location | 4.2 W Jct US 85 |
| Carries | Sd034 |
| Crosses | Hay Ck |
| Coordinates | 44.63892, -103.94062 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 164.0 ft (50 m) |
| Max Span | 42.7 ft (13 m) |
| Deck Width | 34.4 ft (10.5 m) |
| Deck Area | 525 sq m |
| Main Spans | 4 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 1,127 (2024) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000010055397 |