470 Ave over North Fork Whetstone Trb
GoodGrant County, South Dakota · 5.5E & 4.0N Marvin · Structure no. 000000026210006
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 25
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
470 Ave over North Fork Whetstone Trb is a concrete continuous culvert carrying 470 Ave over North Fork Whetstone Trb in Grant County, South Dakota. It was built in 2005, so it is 20 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 25 vehicles a day, roughly 9% of them trucks, projected to reach 33 by 2032. The structure is 29 ft (8.7 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 470 Ave over North Fork Whetstone Trb built?
It was built in 2005, making it 20 years old in 2025.
What condition is 470 Ave over North Fork Whetstone Trb 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 August 2024.
How much traffic does 470 Ave over North Fork Whetstone Trb carry?
About 25 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is 470 Ave over North Fork Whetstone Trb?
The structure is 29 ft (8.7 m) long with a longest span of 14 ft (4.3 m).
Who owns 470 Ave over North Fork Whetstone Trb?
It is owned by the County Highway Agency.