26730 415 Avenue over Twelve Mile Ck
FairHanson County, South Dakota · 6W & 10.3S Alexandri · Structure no. 000000031030233
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 129 ft
- 5 main spans
- Daily traffic
- 65
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
26730 415 Avenue over Twelve Mile Ck is a concrete continuous slab carrying 26730 415 Avenue over Twelve Mile Ck in Hanson County, South Dakota. It was built in 1954, so it is 71 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 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 65 vehicles a day, roughly 2% of them trucks, projected to reach 65 by 2032. The structure is 129 ft (39.2 m) long and 28 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 26730 415 Avenue over Twelve Mile Ck built?
It was built in 1954, making it 71 years old in 2025.
What condition is 26730 415 Avenue over 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 July 2023.
How much traffic does 26730 415 Avenue over Twelve Mile Ck carry?
About 65 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 26730 415 Avenue over Twelve Mile Ck?
The structure is 129 ft (39.2 m) long with a longest span of 28 ft (8.4 m) and a deck 28 ft wide.
Who owns 26730 415 Avenue over Twelve Mile Ck?
It is owned by the County Highway Agency.