SD010 over North Br Willow Ck
FairMcPherson County, South Dakota · 6.6 E JCT Sd 45 S · Structure no. 000000045447150
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected April 2024
- Type
- Slab
- Concrete Continuous
- Length
- 117 ft
- 5 main spans
- Daily traffic
- 770
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD010 over North Br Willow Ck is a concrete continuous slab carrying SD010 over North Br Willow Ck in McPherson County, South Dakota. It was built in 1957, so it is 68 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 770 vehicles a day, roughly 21% of them trucks, projected to reach 1,063 by 2044. The structure is 117 ft (35.7 m) long and 34 ft wide. If it were closed, the detour would be 39.1 mi (63 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 SD010 over North Br Willow Ck built?
It was built in 1957, making it 68 years old in 2025.
What condition is SD010 over North Br Willow 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 April 2024.
How much traffic does SD010 over North Br Willow Ck carry?
About 770 vehicles per day (2024 count), of which roughly 21% are trucks.
How long is SD010 over North Br Willow 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 SD010 over North Br Willow Ck?
It is owned by the State Highway Agency.