242 ST over Ck
PoorClosed to trafficAurora County, South Dakota · 1.8E 11.0N Plankinton · Structure no. 000000002178040
- Built
- 1917
- 108 years old
- Condition
- Poor
- inspected July 2020
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 24 ft
- 1 main span
- Daily traffic
- 101
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
242 ST over Ck is a steel stringer/multi-beam or girder carrying 242 ST over Ck in Aurora County, South Dakota. It was built in 1917, so it is 108 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 3 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 101 vehicles a day, roughly 2% of them trucks, projected to reach 101 by 2032. The structure is 24 ft (7.3 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 242 ST over Ck built?
It was built in 1917, making it 108 years old in 2025.
What condition is 242 ST 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 July 2020.
How much traffic does 242 ST over Ck carry?
About 101 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 242 ST over Ck?
The structure is 24 ft (7.3 m) long with a longest span of 24 ft (7.3 m) and a deck 19 ft wide.
Who owns 242 ST over Ck?
It is owned by the County Highway Agency.