IRR Us012 over Hay Ck
Good Condition2 years old424 vehicles/day
Location
| State | South Dakota |
| County | Corson |
| Location | 1.3 E Of Morristown |
| Carries | IRR Us012 |
| Crosses | Hay Ck |
| Coordinates | 45.93730, -101.69541 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 120.1 ft (36.6 m) |
| Max Span | 118.1 ft (36 m) |
| Deck Width | 38.7 ft (11.8 m) |
| Deck Area | 431.9 sq m |
| Main Spans | 1 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 424 (2024) |
| Truck Traffic | 24% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 000000016154005 |