451st Avenue over Little Minnesota River
GoodRoberts County, South Dakota · 4W & 1N of Claire City · Structure no. 000000055020044
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 80
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
451st Avenue over Little Minnesota River is a concrete continuous culvert carrying 451st Avenue over Little Minnesota River in Roberts County, South Dakota. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 80 vehicles a day, roughly 3% of them trucks, projected to reach 88 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Channel and channel protection | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 451st Avenue over Little Minnesota River built?
It was built in 2004, making it 21 years old in 2025.
What condition is 451st Avenue over Little Minnesota 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 August 2024.
How much traffic does 451st Avenue over Little Minnesota River carry?
About 80 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 451st Avenue over Little Minnesota River?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3.1 m).
Who owns 451st Avenue over Little Minnesota River?
It is owned by the County Highway Agency.