449th Avenue over Little Vermillion River
FairPosted for loadMcCook County, South Dakota · 0.2N & 8E of Salem · Structure no. 000000044190083
- Built
- 1930
- 95 years old
- Condition
- Fair
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 53 ft
- 3 main spans
- Daily traffic
- 35
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
449th Avenue over Little Vermillion River is a concrete continuous slab carrying 449th Avenue over Little Vermillion River in McCook County, South Dakota. It was built in 1930, so it is 95 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.
It carries about 35 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2032. The structure is 53 ft (16.2 m) long and 27 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 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 449th Avenue over Little Vermillion River built?
It was built in 1930, making it 95 years old in 2025.
What condition is 449th Avenue over Little Vermillion River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.
How much traffic does 449th Avenue over Little Vermillion River carry?
About 35 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 449th Avenue over Little Vermillion River?
The structure is 53 ft (16.2 m) long with a longest span of 16 ft (4.9 m) and a deck 27 ft wide.
Who owns 449th Avenue over Little Vermillion River?
It is owned by the County Highway Agency.