Twnshp RD 170th ST over Crow Timber Ck
FairDeuel County, South Dakota · 7.6E & 2N Tunerville · Structure no. 000000020176040
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twnshp RD 170th ST over Crow Timber Ck is a concrete continuous culvert carrying Twnshp RD 170th ST over Crow Timber Ck in Deuel County, South Dakota. It was built in 1940, so it is 85 years old, older 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 30 vehicles a day, roughly 2% of them trucks, projected to reach 30 by 2032. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 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 Twnshp RD 170th ST over Crow Timber Ck built?
It was built in 1940, making it 85 years old in 2025.
What condition is Twnshp RD 170th ST over Crow Timber Ck 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 August 2024.
How much traffic does Twnshp RD 170th ST over Crow Timber Ck carry?
About 30 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twnshp RD 170th ST over Crow Timber Ck?
The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.
Who owns Twnshp RD 170th ST over Crow Timber Ck?
It is owned by the County Highway Agency.