IRR SD010 over Clear Lake Inlet
GoodMarshall County, South Dakota · 3 SE JCT Sd 25 N · Structure no. 000000046305166
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 692
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD010 over Clear Lake Inlet is a concrete continuous culvert carrying IRR SD010 over Clear Lake Inlet in Marshall County, South Dakota. It was built in 1993, so it is 32 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 692 vehicles a day, roughly 11% of them trucks, projected to reach 814 by 2044. The structure is 25 ft (7.5 m) long. If it were closed, the detour would be 24.2 mi (39 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD010 over Clear Lake Inlet built?
It was built in 1993, making it 32 years old in 2025.
What condition is IRR SD010 over Clear Lake Inlet 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 June 2024.
How much traffic does IRR SD010 over Clear Lake Inlet carry?
About 692 vehicles per day (2024 count), of which roughly 11% are trucks.
How long is IRR SD010 over Clear Lake Inlet?
The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m).
Who owns IRR SD010 over Clear Lake Inlet?
It is owned by the State Highway Agency.