36460 276th Street over Platte Creek
PoorClosed to trafficCharles Mix County, South Dakota · 2.4W & 0.2N of Platte · Structure no. 000000012206078
- Built
- 1936
- 89 years old
- Condition
- Poor
- inspected August 2019
- Type
- Slab
- Concrete Continuous
- Length
- 140 ft
- 8 main spans
- Daily traffic
- 48
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
36460 276th Street over Platte Creek is a concrete continuous slab carrying 36460 276th Street over Platte Creek in Charles Mix County, South Dakota. It was built in 1936, so it is 89 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 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: closed to all traffic.
It carries about 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 140 ft (42.7 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 36460 276th Street over Platte Creek built?
It was built in 1936, making it 89 years old in 2025.
What condition is 36460 276th Street over Platte Creek 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 August 2019.
How much traffic does 36460 276th Street over Platte Creek carry?
About 48 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 36460 276th Street over Platte Creek?
The structure is 140 ft (42.7 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.
Who owns 36460 276th Street over Platte Creek?
It is owned by the County Highway Agency.