400th Avenue over Ck
PoorPosted for loadDavison County, South Dakota · 3 E Mt Vernon · Structure no. 000000018060095
- Built
- 1945
- 80 years old, rebuilt 1965
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Wood or Timber
- Length
- 25 ft
- 1 main span
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
400th Avenue over Ck is a wood or timber stringer/multi-beam or girder carrying 400th Avenue over Ck in Davison County, South Dakota. It was built in 1945 and reconstructed in 1965, so it is 80 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: 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 24 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 400th Avenue over Ck built?
It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1965.
What condition is 400th Avenue 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 2024.
How much traffic does 400th Avenue over Ck carry?
About 20 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 400th Avenue over Ck?
The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m) and a deck 24 ft wide.
Who owns 400th Avenue over Ck?
It is owned by the County Highway Agency.