US012 over Spring Lk
GoodWalworth County, South Dakota · 2.8 W JCT Sd 47 S · Structure no. 000000065302100
- Built
- 1986
- 39 years old
- Condition
- Good
- inspected April 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 31 ft
- 3 main spans
- Daily traffic
- 1,145
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
US012 over Spring Lk is a concrete continuous culvert carrying US012 over Spring Lk in Walworth County, South Dakota. It was built in 1986, so it is 39 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 1,145 vehicles a day, roughly 29% of them trucks, projected to reach 1,808 by 2044. The structure is 31 ft (9.5 m) long. If it were closed, the detour would be 32.9 mi (53 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US012 over Spring Lk built?
It was built in 1986, making it 39 years old in 2025.
What condition is US012 over Spring Lk 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 April 2022.
How much traffic does US012 over Spring Lk carry?
About 1,145 vehicles per day (2024 count), of which roughly 29% are trucks.
How long is US012 over Spring Lk?
The structure is 31 ft (9.5 m) long with a longest span of 10 ft (3 m).
Who owns US012 over Spring Lk?
It is owned by the State Highway Agency.