Twnshp RD 486th Av over Cobb Creek
GoodDeuel County, South Dakota · 3.3 S & 1 W Gary · Structure no. 000000020200163
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected September 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 134
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Twnshp RD 486th Av over Cobb Creek is a concrete continuous culvert carrying Twnshp RD 486th Av over Cobb Creek in Deuel County, South Dakota. It was built in 2023, so it is 2 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 134 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2041. The structure is 27 ft (8.2 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Twnshp RD 486th Av over Cobb Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is Twnshp RD 486th Av over Cobb Creek 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 Twnshp RD 486th Av over Cobb Creek carry?
About 134 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Twnshp RD 486th Av over Cobb Creek?
The structure is 27 ft (8.2 m) long with a longest span of 13 ft (4 m) and a deck 26 ft wide.
Who owns Twnshp RD 486th Av over Cobb Creek?
It is owned by the County Highway Agency.