39540 287th Street over Choteau Creek
PoorPosted for loadCharles Mix County, South Dakota · 10.0N & 0.4E of Wagner · Structure no. 000000012514190
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 35 ft
- 1 main span
- Daily traffic
- 48
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
39540 287th Street over Choteau Creek is a steel stringer/multi-beam or girder carrying 39540 287th Street over Choteau Creek in Charles Mix County, South Dakota. It was built in 1940, so it is 85 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: posted for load restriction.
It carries about 48 vehicles a day, roughly 2% of them trucks, projected to reach 48 by 2032. The structure is 35 ft (10.7 m) long and 17 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 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 39540 287th Street over Choteau Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is 39540 287th 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 August 2024.
How much traffic does 39540 287th Street over Choteau Creek carry?
About 48 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 39540 287th Street over Choteau Creek?
The structure is 35 ft (10.7 m) long with a longest span of 33 ft (10.1 m) and a deck 17 ft wide.
Who owns 39540 287th Street over Choteau Creek?
It is owned by the County Highway Agency.