IRR US012 over Hay Ck
GoodCorson County, South Dakota · 1.3 E of Morristown · Structure no. 000000016154005
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected November 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 120 ft
- 1 main span
- Daily traffic
- 424
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US012 over Hay Ck is a prestressed concrete stringer/multi-beam or girder carrying IRR US012 over Hay Ck in Corson County, South Dakota. It was built in 2024, so it is 1 years old, younger than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 424 vehicles a day, roughly 24% of them trucks, projected to reach 554 by 2044. The structure is 120 ft (36.6 m) long and 39 ft wide. If it were closed, the detour would be 93.8 mi (151 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR US012 over Hay Ck built?
It was built in 2024, making it 1 years old in 2025.
What condition is IRR US012 over Hay Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.
How much traffic does IRR US012 over Hay Ck carry?
About 424 vehicles per day (2024 count), of which roughly 24% are trucks.
How long is IRR US012 over Hay Ck?
The structure is 120 ft (36.6 m) long with a longest span of 118 ft (36 m) and a deck 39 ft wide.
Who owns IRR US012 over Hay Ck?
It is owned by the State Highway Agency.