310 Avenue over Keyapaha Rv
GoodPosted for loadTripp County, South Dakota · .1E & 1N Millboro · Structure no. 000000062141477
- Built
- 2017
- 8 years old
- Condition
- Good
- inspected June 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 82 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310 Avenue over Keyapaha Rv is a prestressed concrete tee beam carrying 310 Avenue over Keyapaha Rv in Tripp County, South Dakota. It was built in 2017, so it is 8 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. Its operating status is: posted for load restriction.
It carries about 50 vehicles a day, roughly 9% of them trucks, projected to reach 55 by 2032. The structure is 82 ft (25 m) long and 32 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 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 310 Avenue over Keyapaha Rv built?
It was built in 2017, making it 8 years old in 2025.
What condition is 310 Avenue over Keyapaha Rv 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 June 2023.
How much traffic does 310 Avenue over Keyapaha Rv carry?
About 50 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is 310 Avenue over Keyapaha Rv?
The structure is 82 ft (25 m) long with a longest span of 78 ft (23.8 m) and a deck 32 ft wide.
Who owns 310 Avenue over Keyapaha Rv?
It is owned by the County Highway Agency.