450th Avenue over Little Vermillion River
GoodMcCook County, South Dakota · 0.8S & 9E of Salem · Structure no. 000000044200093
- Built
- 2021
- 4 years old
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 50 ft
- 1 main span
- Daily traffic
- 66
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
450th Avenue over Little Vermillion River is a steel stringer/multi-beam or girder carrying 450th Avenue over Little Vermillion River in McCook County, South Dakota. It was built in 2021, so it is 4 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 50 ft (15.2 m) long and 25 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 450th Avenue over Little Vermillion River built?
It was built in 2021, making it 4 years old in 2025.
What condition is 450th Avenue over Little Vermillion 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 450th Avenue over Little Vermillion River carry?
About 66 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 450th Avenue over Little Vermillion River?
The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 25 ft wide.
Who owns 450th Avenue over Little Vermillion River?
It is owned by the County Highway Agency.