29970 457 Ave. over Spring Ck
GoodClay County, South Dakota · 2.7S & 5E Irene · Structure no. 000000014050027
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected August 2024
- Type
- Frame
- Concrete
- Length
- 28 ft
- 1 main span
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
29970 457 Ave. over Spring Ck is a concrete frame carrying 29970 457 Ave. over Spring Ck in Clay County, South Dakota. It was built in 1988, so it is 37 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 25 vehicles a day, roughly 2% of them trucks, projected to reach 97 by 2032. The structure is 28 ft (8.5 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 29970 457 Ave. over Spring Ck built?
It was built in 1988, making it 37 years old in 2025.
What condition is 29970 457 Ave. over Spring 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 August 2024.
How much traffic does 29970 457 Ave. over Spring Ck carry?
About 25 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 29970 457 Ave. over Spring Ck?
The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.
Who owns 29970 457 Ave. over Spring Ck?
It is owned by the County Highway Agency.