390 Avenue over Sand Ck
FairJerauld County, South Dakota · 2.5W 2.3S Alpena · Structure no. 000000037260033
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
390 Avenue over Sand Ck is a prestressed concrete tee beam carrying 390 Avenue over Sand Ck in Jerauld County, South Dakota. It was built in 1973, so it is 52 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 60 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2032. The structure is 50 ft (15.2 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 390 Avenue over Sand Ck built?
It was built in 1973, making it 52 years old in 2025.
What condition is 390 Avenue over Sand Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.
How much traffic does 390 Avenue over Sand Ck carry?
About 60 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 390 Avenue over Sand Ck?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 27 ft wide.
Who owns 390 Avenue over Sand Ck?
It is owned by the County Highway Agency.