26970 417 Ave. over Twelve Mile Ck
PoorPosted for loadHutchinson County, South Dakota · 6.3N 7.0E Parkston · Structure no. 000000034130017
- Built
- 1978
- 47 years old
- Condition
- Poor
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 45
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
26970 417 Ave. over Twelve Mile Ck is a prestressed concrete tee beam carrying 26970 417 Ave. over Twelve Mile Ck in Hutchinson County, South Dakota. It was built in 1978, so it is 47 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 50 ft (15.2 m) long and 23 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 26970 417 Ave. over Twelve Mile Ck built?
It was built in 1978, making it 47 years old in 2025.
What condition is 26970 417 Ave. over Twelve Mile 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 May 2024.
How much traffic does 26970 417 Ave. over Twelve Mile Ck carry?
About 45 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 26970 417 Ave. over Twelve Mile Ck?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 23 ft wide.
Who owns 26970 417 Ave. over Twelve Mile Ck?
It is owned by the County Highway Agency.