409th Avenue over S. Fork of Pearl Creek
PoorPosted for loadBeadle County, South Dakota · 9.4S of Cavour · Structure no. 000000003330274
- Built
- 1935
- 90 years old, rebuilt 1974
- Condition
- Poor
- inspected August 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 120
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
409th Avenue over S. Fork of Pearl Creek is a steel stringer/multi-beam or girder carrying 409th Avenue over S. Fork of Pearl Creek in Beadle County, South Dakota. It was built in 1935 and reconstructed in 1974, so it is 90 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.
It carries about 120 vehicles a day, roughly 3% of them trucks, projected to reach 120 by 2032. The structure is 73 ft (22.3 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 409th Avenue over S. Fork of Pearl Creek built?
It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1974.
What condition is 409th Avenue over S. Fork of Pearl Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.
How much traffic does 409th Avenue over S. Fork of Pearl Creek carry?
About 120 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is 409th Avenue over S. Fork of Pearl Creek?
The structure is 73 ft (22.3 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.
Who owns 409th Avenue over S. Fork of Pearl Creek?
It is owned by the County Highway Agency.