Twnshp RD 477th Av over Ck
FairDeuel County, South Dakota · 3.2N 1E Tunerville · Structure no. 000000020110028
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 35
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twnshp RD 477th Av over Ck is a prestressed concrete tee beam carrying Twnshp RD 477th Av over Ck in Deuel County, South Dakota. It was built in 1982, so it is 43 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 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 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 30 ft (9.1 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 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 Twnshp RD 477th Av over Ck built?
It was built in 1982, making it 43 years old in 2025.
What condition is Twnshp RD 477th Av 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 2024.
How much traffic does Twnshp RD 477th Av over Ck carry?
About 35 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twnshp RD 477th Av over Ck?
The structure is 30 ft (9.1 m) long with a longest span of 29 ft (8.8 m) and a deck 31 ft wide.
Who owns Twnshp RD 477th Av over Ck?
It is owned by the County Highway Agency.