Conata Basin RD over Trib to White River
FairPennington County, South Dakota · 1.7E &12.3S Wall · Structure no. 000000052930484
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected July 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 35 ft
- 1 main span
- Daily traffic
- 66
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Conata Basin RD over Trib to White River is a prestressed concrete tee beam carrying Conata Basin RD over Trib to White River in Pennington County, South Dakota. It was built in 1982, so it is 43 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 66 vehicles a day, roughly 14% of them trucks, projected to reach 66 by 2032. The structure is 35 ft (10.7 m) long and 27 ft wide. If it were closed, the detour would be 34.2 mi (55 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Conata Basin RD over Trib to White River built?
It was built in 1982, making it 43 years old in 2025.
What condition is Conata Basin RD over Trib to White River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.
How much traffic does Conata Basin RD over Trib to White River carry?
About 66 vehicles per day (2022 count), of which roughly 14% are trucks.
How long is Conata Basin RD over Trib to White River?
The structure is 35 ft (10.7 m) long with a longest span of 34 ft (10.4 m) and a deck 27 ft wide.
Who owns Conata Basin RD over Trib to White River?
It is owned by the County Highway Agency.