314 Avenue over Keyapaha Rv
GoodPosted for loadTripp County, South Dakota · 4E & 1S Millboro · Structure no. 000000062180493
- Built
- 1980
- 45 years old
- Condition
- Good
- inspected June 2023
- Type
- Slab
- Concrete Continuous
- Length
- 119 ft
- 3 main spans
- Daily traffic
- 39
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
314 Avenue over Keyapaha Rv is a concrete continuous slab carrying 314 Avenue over Keyapaha Rv in Tripp 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. Its operating status is: posted for load restriction.
It carries about 39 vehicles a day, roughly 2% of them trucks, projected to reach 39 by 2032. The structure is 119 ft (36.3 m) long and 31 ft wide. If it were closed, the detour would be 16.2 mi (26 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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 314 Avenue over Keyapaha Rv built?
It was built in 1980, making it 45 years old in 2025.
What condition is 314 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 314 Avenue over Keyapaha Rv carry?
About 39 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 314 Avenue over Keyapaha Rv?
The structure is 119 ft (36.3 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.
Who owns 314 Avenue over Keyapaha Rv?
It is owned by the County Highway Agency.