40340 287 St. over Ck
PoorPosted for loadDouglas County, South Dakota · 3.0S 1.4E of Delmont · Structure no. 000000022294190
- Built
- 1912
- 113 years old, rebuilt 1982
- Condition
- Poor
- inspected August 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 25 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40340 287 St. over Ck is a prestressed concrete tee beam carrying 40340 287 St. over Ck in Douglas County, South Dakota. It was built in 1912 and reconstructed in 1982, so it is 113 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 20 vehicles a day, roughly 2% of them trucks, projected to reach 20 by 2032. The structure is 25 ft (7.6 m) long and 15 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 40340 287 St. over Ck built?
It was built in 1912, making it 113 years old in 2025. It was reconstructed in 1982.
What condition is 40340 287 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 August 2023.
How much traffic does 40340 287 St. over Ck carry?
About 20 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 40340 287 St. over Ck?
The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 15 ft wide.
Who owns 40340 287 St. over Ck?
It is owned by the County Highway Agency.