SD048 over West Union Ck
FairUnion County, South Dakota · 2.5 W Iowa State Line · Structure no. 000000064101160
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected September 2024
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 5 main spans
- Daily traffic
- 1,173
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD048 over West Union Ck is a concrete continuous slab carrying SD048 over West Union Ck in Union County, South Dakota. It was built in 1960, so it is 65 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 6 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 1,173 vehicles a day, roughly 23% of them trucks, projected to reach 1,806 by 2044. The structure is 117 ft (35.7 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 SD048 over West Union Ck built?
It was built in 1960, making it 65 years old in 2025.
What condition is SD048 over West Union 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 September 2024.
How much traffic does SD048 over West Union Ck carry?
About 1,173 vehicles per day (2024 count), of which roughly 23% are trucks.
How long is SD048 over West Union Ck?
The structure is 117 ft (35.7 m) long with a longest span of 23 ft (7.1 m) and a deck 34 ft wide.
Who owns SD048 over West Union Ck?
It is owned by the State Highway Agency.