SD073 over North Br Willow Ck
FairJackson County, South Dakota · 5.4 S Haakon CO Line · Structure no. 000000036240052
- Built
- 1961
- 64 years old
- Condition
- Fair
- inspected January 2025
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 708
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD073 over North Br Willow Ck is a concrete continuous culvert carrying SD073 over North Br Willow Ck in Jackson County, South Dakota. It was built in 1961, so it is 64 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 708 vehicles a day, roughly 22% of them trucks, projected to reach 1,021 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 44.7 mi (72 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 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 SD073 over North Br Willow Ck built?
It was built in 1961, making it 64 years old in 2025.
What condition is SD073 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 January 2025.
How much traffic does SD073 over North Br Willow Ck carry?
About 708 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is SD073 over North Br Willow Ck?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns SD073 over North Br Willow Ck?
It is owned by the State Highway Agency.