40430 308th Street over Choteau Creek
PoorClosed to trafficBon Homme County, South Dakota · 6S & 1.8W of Avon · Structure no. 000000005032170
- Built
- 1912
- 113 years old
- Condition
- Poor
- inspected July 2019
- Type
- Truss - Thru
- Steel
- Length
- 113 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40430 308th Street over Choteau Creek is a steel truss - thru carrying 40430 308th Street over Choteau Creek in Bon Homme County, South Dakota. It was built in 1912, so it is 113 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 2 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 113 ft (34.3 m) long and 16 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 |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 40430 308th Street over Choteau Creek built?
It was built in 1912, making it 113 years old in 2025.
What condition is 40430 308th Street over 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 July 2019.
How much traffic does 40430 308th Street over Choteau Creek carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 40430 308th Street over Choteau Creek?
The structure is 113 ft (34.3 m) long with a longest span of 110 ft (33.5 m) and a deck 16 ft wide.
Who owns 40430 308th Street over Choteau Creek?
It is owned by the County Highway Agency.