Main St-Milbank over South Fork Whetstone Rv
FairPosted for loadGrant County, South Dakota · Eastman Ave. Milbank · Structure no. 000000026292069
- Built
- 1990
- 35 years old
- Condition
- Fair
- inspected September 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 34 ft
- 1 main span
- Daily traffic
- 200
- 2022 count
- Owner
- Town / Township
- Town or Township Highway Agency
About this bridge
Main St-Milbank over South Fork Whetstone Rv is a prestressed concrete tee beam carrying Main St-Milbank over South Fork Whetstone Rv in Grant County, South Dakota. It was built in 1990, so it is 35 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 200 vehicles a day, roughly 2% of them trucks, projected to reach 200 by 2032. The structure is 34 ft (10.5 m) long and 19 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Main St-Milbank over South Fork Whetstone Rv built?
It was built in 1990, making it 35 years old in 2025.
What condition is Main St-Milbank over South Fork Whetstone Rv in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 2024.
How much traffic does Main St-Milbank over South Fork Whetstone Rv carry?
About 200 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is Main St-Milbank over South Fork Whetstone Rv?
The structure is 34 ft (10.5 m) long with a longest span of 33 ft (10.1 m) and a deck 19 ft wide.
Who owns Main St-Milbank over South Fork Whetstone Rv?
It is owned by the Town or Township Highway Agency.