36590 274th Street over Platte Creek
FairCharles Mix County, South Dakota · 2.0N & 1.1W of Platte · Structure no. 000000012219060
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected October 2023
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 51 ft
- 1 main span
- Daily traffic
- 48
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
36590 274th Street over Platte Creek is a prestressed concrete tee beam carrying 36590 274th Street over Platte Creek in Charles Mix County, South Dakota. It was built in 1979, so it is 46 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 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 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 51 ft (15.4 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 36590 274th Street over Platte Creek built?
It was built in 1979, making it 46 years old in 2025.
What condition is 36590 274th 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 36590 274th Street over Platte Creek carry?
About 48 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 36590 274th Street over Platte Creek?
The structure is 51 ft (15.4 m) long with a longest span of 49 ft (14.9 m) and a deck 20 ft wide.
Who owns 36590 274th Street over Platte Creek?
It is owned by the County Highway Agency.