I029 NF over Ck
FairBrookings County, South Dakota · 2 N I29 & Sd 324 Interch · Structure no. 000000006186190
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected August 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 3 main spans
- Daily traffic
- 410
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I029 NF over Ck is a concrete continuous culvert carrying I029 NF over Ck in Brookings County, South Dakota. It was built in 1967, so it is 58 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 410 vehicles a day, roughly 5% of them trucks, projected to reach 410 by 2043. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 6.2 mi (10 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 I029 NF over Ck built?
It was built in 1967, making it 58 years old in 2025.
What condition is I029 NF over 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 2023.
How much traffic does I029 NF over Ck carry?
About 410 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is I029 NF over Ck?
The structure is 25 ft (7.7 m) long with a longest span of 8 ft (2.4 m).
Who owns I029 NF over Ck?
It is owned by the State Highway Agency.