47700 300 Str. over Ck
PoorPosted for loadUnion County, South Dakota · 1N & 2W Alcester · Structure no. 000000064070030
- Built
- 1982
- 43 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 27 ft
- 1 main span
- Daily traffic
- 35
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
47700 300 Str. over Ck is a steel stringer/multi-beam or girder carrying 47700 300 Str. 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 27 ft (8.2 m) long and 29 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, 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 47700 300 Str. over Ck built?
It was built in 1982, making it 43 years old in 2025.
What condition is 47700 300 Str. 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 47700 300 Str. over Ck carry?
About 35 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 47700 300 Str. over Ck?
The structure is 27 ft (8.2 m) long with a longest span of 25 ft (7.6 m) and a deck 29 ft wide.
Who owns 47700 300 Str. over Ck?
It is owned by the County Highway Agency.