480 Avenue over North Fork Whetstone Rv
GoodGrant County, South Dakota · 4N & 2E Milbank · Structure no. 000000026310031
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 94 ft
- 1 main span
- Daily traffic
- 200
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
480 Avenue over North Fork Whetstone Rv is a prestressed concrete stringer/multi-beam or girder carrying 480 Avenue over North Fork Whetstone Rv in Grant County, South Dakota. It was built in 2018, so it is 7 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 200 vehicles a day, roughly 2% of them trucks, projected to reach 200 by 2032. The structure is 94 ft (28.7 m) long and 32 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| 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 480 Avenue over North Fork Whetstone Rv built?
It was built in 2018, making it 7 years old in 2025.
What condition is 480 Avenue over North Fork Whetstone Rv 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 2024.
How much traffic does 480 Avenue over North Fork Whetstone Rv carry?
About 200 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 480 Avenue over North Fork Whetstone Rv?
The structure is 94 ft (28.7 m) long with a longest span of 90 ft (27.4 m) and a deck 32 ft wide.
Who owns 480 Avenue over North Fork Whetstone Rv?
It is owned by the County Highway Agency.