479th Avenue over Trib to Slip-Up Ck
FairMinnehaha County, South Dakota · 5E & 0.5S Baltic · Structure no. 000000050250065
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 27
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
479th Avenue over Trib to Slip-Up Ck is a concrete continuous culvert carrying 479th Avenue over Trib to Slip-Up Ck in Minnehaha County, South Dakota. It was built in 1940, so it is 85 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 27 vehicles a day, roughly 2% of them trucks, projected to reach 35 by 2037. The structure is 21 ft (6.3 m) long. 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 |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 479th Avenue over Trib to Slip-Up Ck built?
It was built in 1940, making it 85 years old in 2025.
What condition is 479th Avenue over Trib to Slip-Up Ck 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 June 2024.
How much traffic does 479th Avenue over Trib to Slip-Up Ck carry?
About 27 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 479th Avenue over Trib to Slip-Up Ck?
The structure is 21 ft (6.3 m) long with a longest span of 11 ft (3.3 m).
Who owns 479th Avenue over Trib to Slip-Up Ck?
It is owned by the County Highway Agency.