464th Avenue over Big Sioux River
GoodHamlin County, South Dakota · 1W & 0.2S of Estelline · Structure no. 000000029280162
- Built
- 1990
- 35 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 137 ft
- 3 main spans
- Daily traffic
- 66
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
464th Avenue over Big Sioux River is a concrete continuous slab carrying 464th Avenue over Big Sioux River in Hamlin 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 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 66 vehicles a day, roughly 2% of them trucks, projected to reach 66 by 2032. The structure is 137 ft (41.9 m) long and 33 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 | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 464th Avenue over Big Sioux River built?
It was built in 1990, making it 35 years old in 2025.
What condition is 464th 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 464th Avenue over Big Sioux River carry?
About 66 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 464th Avenue over Big Sioux River?
The structure is 137 ft (41.9 m) long with a longest span of 52 ft (15.8 m) and a deck 33 ft wide.
Who owns 464th Avenue over Big Sioux River?
It is owned by the County Highway Agency.