30010 478 Ave. over Ck
PoorPosted for loadUnion County, South Dakota · 0.5W & 0.9N Alcester · Structure no. 000000064080031
- Built
- 1982
- 43 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 2 main spans
- Daily traffic
- 45
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
30010 478 Ave. over Ck is a steel stringer/multi-beam or girder carrying 30010 478 Ave. over Ck in Union County, South Dakota. It was built in 1982, so it is 43 years old, younger 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 45 vehicles a day, roughly 2% of them trucks, projected to reach 45 by 2032. The structure is 51 ft (15.4 m) long and 28 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 | 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 30010 478 Ave. over Ck built?
It was built in 1982, making it 43 years old in 2025.
What condition is 30010 478 Ave. 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 2024.
How much traffic does 30010 478 Ave. over Ck carry?
About 45 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 30010 478 Ave. over Ck?
The structure is 51 ft (15.4 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.
Who owns 30010 478 Ave. over Ck?
It is owned by the County Highway Agency.