38830 280 ST over Andes Ck
PoorPosted for loadDouglas County, South Dakota · 0.5N 3.7W Armour · Structure no. 000000022143120
- Built
- 1950
- 75 years old
- Condition
- Poor
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 43 ft
- 2 main spans
- Daily traffic
- 206
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
38830 280 ST over Andes Ck is a steel stringer/multi-beam or girder carrying 38830 280 ST over Andes Ck in Douglas County, South Dakota. It was built in 1950, so it is 75 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 206 vehicles a day, roughly 3% of them trucks, projected to reach 206 by 2032. The structure is 43 ft (13.2 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 38830 280 ST over Andes Ck built?
It was built in 1950, making it 75 years old in 2025.
What condition is 38830 280 ST over Andes 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 July 2023.
How much traffic does 38830 280 ST over Andes Ck carry?
About 206 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 38830 280 ST over Andes Ck?
The structure is 43 ft (13.2 m) long with a longest span of 21 ft (6.4 m) and a deck 28 ft wide.
Who owns 38830 280 ST over Andes Ck?
It is owned by the County Highway Agency.