460th Avenue over Lake Poinsett Outlet
PoorPosted for loadHamlin County, South Dakota · 8.2S & 1E of Castlewood · Structure no. 000000029240132
- Built
- 1960
- 65 years old
- Condition
- Poor
- inspected July 2024
- Type
- Channel Beam
- Concrete
- Length
- 57 ft
- 2 main spans
- Daily traffic
- 66
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
460th Avenue over Lake Poinsett Outlet is a concrete channel beam carrying 460th Avenue over Lake Poinsett Outlet in Hamlin County, South Dakota. It was built in 1960, so it is 65 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 4 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 66 vehicles a day, roughly 2% of them trucks, projected to reach 66 by 2032. The structure is 57 ft (17.4 m) long and 19 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 4 Poor | Advanced section loss, deterioration, 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 460th Avenue over Lake Poinsett Outlet built?
It was built in 1960, making it 65 years old in 2025.
What condition is 460th Avenue over Lake Poinsett Outlet 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 460th Avenue over Lake Poinsett Outlet carry?
About 66 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 460th Avenue over Lake Poinsett Outlet?
The structure is 57 ft (17.4 m) long with a longest span of 27 ft (8.2 m) and a deck 19 ft wide.
Who owns 460th Avenue over Lake Poinsett Outlet?
It is owned by the County Highway Agency.