40510 308th Street over Trib. to Choteau Creek
PoorBon Homme County, South Dakota · 5S & 1.8W Avon · Structure no. 000000005042170
- Built
- 1935
- 90 years old
- Condition
- Poor
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 115
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40510 308th Street over Trib. to Choteau Creek is a concrete continuous culvert carrying 40510 308th Street over Trib. to Choteau Creek in Bon Homme County, South Dakota. It was built in 1935, so it is 90 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.
It carries about 115 vehicles a day, roughly 2% of them trucks, projected to reach 115 by 2032. The structure is 25 ft (7.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 40510 308th Street over Trib. to Choteau Creek built?
It was built in 1935, making it 90 years old in 2025.
What condition is 40510 308th Street over Trib. to Choteau 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 May 2023.
How much traffic does 40510 308th Street over Trib. to Choteau Creek carry?
About 115 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 40510 308th Street over Trib. to Choteau Creek?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 27 ft wide.
Who owns 40510 308th Street over Trib. to Choteau Creek?
It is owned by the County Highway Agency.