County RD over Ck
PoorClosed to trafficLyman County, South Dakota · 17.1S & 7.3E Reliance · Structure no. 000000043453391
- Built
- 1950
- 75 years old, rebuilt 1965
- Condition
- Poor
- inspected October 2016
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 77 ft
- 3 main spans
- Daily traffic
- 10
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
County RD over Ck is a wood or timber stringer/multi-beam or girder carrying County RD over Ck in Lyman County, South Dakota. It was built in 1950 and reconstructed in 1965, so it is 75 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.
It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 77 ft (23.5 m) long and 24 ft wide. If it were closed, the detour would be 11.2 mi (18 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was County RD over Ck built?
It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.
What condition is County RD over Ck in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2016.
How much traffic does County RD over Ck carry?
About 10 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is County RD over Ck?
The structure is 77 ft (23.5 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.
Who owns County RD over Ck?
It is owned by the County Highway Agency.