39280 284 ST over Br Choteau Ck
PoorPosted for loadDouglas County, South Dakota · 8.2 W. of Delmont · Structure no. 000000022188160
- Built
- 1925
- 100 years old
- Condition
- Poor
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 45 ft
- 4 main spans
- Daily traffic
- 330
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
39280 284 ST over Br Choteau Ck is a concrete continuous slab carrying 39280 284 ST over Br Choteau Ck in Douglas County, South Dakota. It was built in 1925, so it is 100 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: posted for load restriction.
It carries about 330 vehicles a day, roughly 3% of them trucks, projected to reach 350 by 2032. The structure is 45 ft (13.7 m) long and 22 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 | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 39280 284 ST over Br Choteau Ck built?
It was built in 1925, making it 100 years old in 2025.
What condition is 39280 284 ST over Br Choteau Ck 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 2023.
How much traffic does 39280 284 ST over Br Choteau Ck carry?
About 330 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 39280 284 ST over Br Choteau Ck?
The structure is 45 ft (13.7 m) long with a longest span of 10 ft (3 m) and a deck 22 ft wide.
Who owns 39280 284 ST over Br Choteau Ck?
It is owned by the County Highway Agency.