36660 271st Street over Platte Creek
FairCharles Mix County, South Dakota · 5N & 1.4W of Platte · Structure no. 000000012216030
- Built
- 1940
- 85 years old, rebuilt 1965
- Condition
- Fair
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 69 ft
- 4 main spans
- Daily traffic
- 196
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
36660 271st Street over Platte Creek is a concrete continuous slab carrying 36660 271st Street over Platte Creek in Charles Mix County, South Dakota. It was built in 1940 and reconstructed in 1965, so it is 85 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 5 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 196 vehicles a day, roughly 3% of them trucks, projected to reach 419 by 2032. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, 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 36660 271st Street over Platte Creek built?
It was built in 1940, making it 85 years old in 2025. It was reconstructed in 1965.
What condition is 36660 271st Street over Platte Creek 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 October 2023.
How much traffic does 36660 271st Street over Platte Creek carry?
About 196 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 36660 271st Street over Platte Creek?
The structure is 69 ft (21 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.
Who owns 36660 271st Street over Platte Creek?
It is owned by the County Highway Agency.