256th Street over Slip-Up Creek
PoorPosted for loadMinnehaha County, South Dakota · 3.7E & 6S Baltic · Structure no. 000000050237120
- Built
- 1938
- 87 years old
- Condition
- Poor
- inspected June 2024
- Type
- Truss - Thru
- Steel
- Length
- 42 ft
- 1 main span
- Daily traffic
- 80
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
256th Street over Slip-Up Creek is a steel truss - thru carrying 256th Street over Slip-Up Creek in Minnehaha County, South Dakota. It was built in 1938, so it is 87 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 93 by 2037. The structure is 42 ft (12.9 m) long and 20 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 | 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 256th Street over Slip-Up Creek built?
It was built in 1938, making it 87 years old in 2025.
What condition is 256th Street over Slip-Up Creek 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 June 2024.
How much traffic does 256th Street over Slip-Up Creek carry?
About 80 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 256th Street over Slip-Up Creek?
The structure is 42 ft (12.9 m) long with a longest span of 40 ft (12.3 m) and a deck 20 ft wide.
Who owns 256th Street over Slip-Up Creek?
It is owned by the County Highway Agency.