41420 270 St. over S. Fork Twelve Mile Ck
FairHutchinson County, South Dakota · 3.4 Miles East of Dimock · Structure no. 000000034104020
- Built
- 1989
- 36 years old
- Condition
- Fair
- inspected May 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 56 ft
- 1 main span
- Daily traffic
- 257
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
41420 270 St. over S. Fork Twelve Mile Ck is a prestressed concrete tee beam carrying 41420 270 St. over S. Fork Twelve Mile Ck in Hutchinson County, South Dakota. It was built in 1989, so it is 36 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 257 vehicles a day, roughly 1% of them trucks, projected to reach 257 by 2032. The structure is 56 ft (17 m) long and 31 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 41420 270 St. over S. Fork Twelve Mile Ck built?
It was built in 1989, making it 36 years old in 2025.
What condition is 41420 270 St. over S. Fork Twelve Mile Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does 41420 270 St. over S. Fork Twelve Mile Ck carry?
About 257 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is 41420 270 St. over S. Fork Twelve Mile Ck?
The structure is 56 ft (17 m) long with a longest span of 54 ft (16.6 m) and a deck 31 ft wide.
Who owns 41420 270 St. over S. Fork Twelve Mile Ck?
It is owned by the County Highway Agency.