237 Street over Cottonwood Ck
PoorPosted for loadJackson County, South Dakota · 2.5E Cottonwood · Structure no. 000000036145020
- Built
- 1935
- 90 years old
- Condition
- Poor
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 91 ft
- 3 main spans
- Daily traffic
- 10
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
237 Street over Cottonwood Ck is a steel stringer/multi-beam or girder carrying 237 Street over Cottonwood Ck in Jackson County, South Dakota. It was built in 1935, so it is 90 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: posted for load restriction.
It carries about 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 91 ft (27.7 m) long and 21 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 237 Street over Cottonwood Ck built?
It was built in 1935, making it 90 years old in 2025.
What condition is 237 Street over Cottonwood 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 September 2023.
How much traffic does 237 Street over Cottonwood Ck carry?
About 10 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 237 Street over Cottonwood Ck?
The structure is 91 ft (27.7 m) long with a longest span of 33 ft (10.2 m) and a deck 21 ft wide.
Who owns 237 Street over Cottonwood Ck?
It is owned by the County Highway Agency.