40370 311th Street over Choteau Creak
PoorClosed to trafficBon Homme County, South Dakota · 10.2W & 1N of Springfield · Structure no. 000000005028200
- Built
- 1905
- 120 years old, rebuilt 2002
- Condition
- Poor
- inspected June 2020
- Type
- Truss - Thru
- Steel
- Length
- 85 ft
- 1 main span
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
40370 311th Street over Choteau Creak is a steel truss - thru carrying 40370 311th Street over Choteau Creak in Bon Homme County, South Dakota. It was built in 1905 and reconstructed in 2002, so it is 120 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 3 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 85 ft (26 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 1 Imminent Failure | Major deterioration or section loss present in critical structural components. Bridge is closed to traffic but corrective action may put it back in light service. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 40370 311th Street over Choteau Creak built?
It was built in 1905, making it 120 years old in 2025. It was reconstructed in 2002.
What condition is 40370 311th Street over Choteau Creak 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 June 2020.
How much traffic does 40370 311th Street over Choteau Creak carry?
About 50 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 40370 311th Street over Choteau Creak?
The structure is 85 ft (26 m) long with a longest span of 54 ft (16.4 m) and a deck 16 ft wide.
Who owns 40370 311th Street over Choteau Creak?
It is owned by the County Highway Agency.