459th Avenue over Big Sioux River
GoodHamlin County, South Dakota · 1.9S of Castlewood · Structure no. 000000029230069
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 234 ft
- 3 main spans
- Daily traffic
- 375
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
459th Avenue over Big Sioux River is a prestressed concrete stringer/multi-beam or girder carrying 459th Avenue over Big Sioux River in Hamlin 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 375 vehicles a day, roughly 2% of them trucks, projected to reach 375 by 2032. The structure is 234 ft (71.3 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 459th Avenue over Big Sioux River built?
It was built in 2018, making it 7 years old in 2025.
What condition is 459th Avenue over Big Sioux River 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 July 2024.
How much traffic does 459th Avenue over Big Sioux River carry?
About 375 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 459th Avenue over Big Sioux River?
The structure is 234 ft (71.3 m) long with a longest span of 82 ft (25 m) and a deck 34 ft wide.
Who owns 459th Avenue over Big Sioux River?
It is owned by the County Highway Agency.