Quinn Road over Cottonwood Ck
GoodPennington County, South Dakota · 0.1W 2.8N Quinn · Structure no. 000000052960338
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 153
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Quinn Road over Cottonwood Ck is a prestressed concrete stringer/multi-beam or girder carrying Quinn Road over Cottonwood Ck in Pennington County, South Dakota. It was built in 1991, so it is 34 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 153 vehicles a day, roughly 18% of them trucks, projected to reach 153 by 2034. The structure is 85 ft (25.9 m) long and 29 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Quinn Road over Cottonwood Ck built?
It was built in 1991, making it 34 years old in 2025.
What condition is Quinn Road over Cottonwood 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 July 2023.
How much traffic does Quinn Road over Cottonwood Ck carry?
About 153 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is Quinn Road over Cottonwood Ck?
The structure is 85 ft (25.9 m) long with a longest span of 83 ft (25.3 m) and a deck 29 ft wide.
Who owns Quinn Road over Cottonwood Ck?
It is owned by the County Highway Agency.