IRR SD050 over Garden Ck
FairCharles Mix County, South Dakota · 0.8 W JCT US 18 & 281 · Structure no. 000000012376240
- Built
- 1941
- 84 years old
- Condition
- Fair
- inspected June 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 556
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD050 over Garden Ck is a concrete continuous culvert carrying IRR SD050 over Garden Ck in Charles Mix County, South Dakota. It was built in 1941, so it is 84 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.
It carries about 556 vehicles a day, roughly 19% of them trucks, projected to reach 802 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 65.2 mi (105 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 | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD050 over Garden Ck built?
It was built in 1941, making it 84 years old in 2025.
What condition is IRR SD050 over Garden 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 2022.
How much traffic does IRR SD050 over Garden Ck carry?
About 556 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is IRR SD050 over Garden Ck?
The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).
Who owns IRR SD050 over Garden Ck?
It is owned by the State Highway Agency.