IRR SD063 over Ck
GoodCorson County, South Dakota · 0.9 N of Mclaughlin · Structure no. 000000016580084
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 158 ft
- 3 main spans
- Daily traffic
- 864
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD063 over Ck is a prestressed concrete continuous stringer/multi-beam or girder carrying IRR SD063 over Ck in Corson County, South Dakota. It was built in 1980, so it is 45 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 864 vehicles a day, roughly 14% of them trucks, projected to reach 1,128 by 2044. The structure is 158 ft (48.1 m) long and 39 ft wide. If it were closed, the detour would be 49.7 mi (80 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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD063 over Ck built?
It was built in 1980, making it 45 years old in 2025.
What condition is IRR SD063 over 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 January 2025.
How much traffic does IRR SD063 over Ck carry?
About 864 vehicles per day (2024 count), of which roughly 14% are trucks.
How long is IRR SD063 over Ck?
The structure is 158 ft (48.1 m) long with a longest span of 56 ft (17.1 m) and a deck 39 ft wide.
Who owns IRR SD063 over Ck?
It is owned by the State Highway Agency.