Old HWY 18 over Ck
FairFall River County, South Dakota · 3S JCT Sd 89 · Structure no. 000000024174064
- Built
- 1933
- 92 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 1,120
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old HWY 18 over Ck is a concrete continuous culvert carrying Old HWY 18 over Ck in Fall River County, South Dakota. It was built in 1933, so it is 92 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 1,120 vehicles a day, roughly 3% of them trucks, projected to reach 1,120 by 2032. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 28 mi (45 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 Old HWY 18 over Ck built?
It was built in 1933, making it 92 years old in 2025.
What condition is Old HWY 18 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 May 2024.
How much traffic does Old HWY 18 over Ck carry?
About 1,120 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is Old HWY 18 over Ck?
The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).
Who owns Old HWY 18 over Ck?
It is owned by the County Highway Agency.