468th Avenue over N. Fork Whetstone Rv
PoorPosted for loadRoberts County, South Dakota · 0.3E & 0.5N of Wilmot · Structure no. 000000055184355
- Built
- 1940
- 85 years old
- Condition
- Poor
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 30 ft
- 1 main span
- Daily traffic
- 28
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
468th Avenue over N. Fork Whetstone Rv is a steel stringer/multi-beam or girder carrying 468th Avenue over N. Fork Whetstone Rv in Roberts County, South Dakota. It was built in 1940, so it is 85 years old, older than the South Dakota average of 48.9 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 28 vehicles a day, roughly 2% of them trucks, projected to reach 28 by 2032. The structure is 30 ft (9.2 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 468th Avenue over N. Fork Whetstone Rv built?
It was built in 1940, making it 85 years old in 2025.
What condition is 468th Avenue over N. Fork Whetstone Rv in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.
How much traffic does 468th Avenue over N. Fork Whetstone Rv carry?
About 28 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 468th Avenue over N. Fork Whetstone Rv?
The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m) and a deck 21 ft wide.
Who owns 468th Avenue over N. Fork Whetstone Rv?
It is owned by the County Highway Agency.