SD1804 over Ck
GoodSully County, South Dakota · 6.0 N JCT CO RD to Onida · Structure no. 000000060190070
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 261
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD1804 over Ck is a concrete continuous culvert carrying SD1804 over Ck in Sully County, South Dakota. It was built in 1995, so it is 30 years old, younger than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 261 vehicles a day, roughly 15% of them trucks, projected to reach 456 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SD1804 over Ck built?
It was built in 1995, making it 30 years old in 2025.
What condition is SD1804 over Ck in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2023.
How much traffic does SD1804 over Ck carry?
About 261 vehicles per day (2024 count), of which roughly 15% are trucks.
How long is SD1804 over Ck?
The structure is 20 ft (6.2 m) long with a longest span of 10 ft (3 m).
Who owns SD1804 over Ck?
It is owned by the State Highway Agency.