IRR SD020 over Little Moreau Rv
GoodDewey County, South Dakota · 0.1 W JCT Sd 63 · Structure no. 000000021139030
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 3 main spans
- Daily traffic
- 598
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD020 over Little Moreau Rv is a concrete continuous culvert carrying IRR SD020 over Little Moreau Rv in Dewey 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 598 vehicles a day, roughly 19% of them trucks, projected to reach 872 by 2044. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 54.1 mi (87 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 | 8 Very Good | No problems noted. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD020 over Little Moreau Rv built?
It was built in 1993, making it 32 years old in 2025.
What condition is IRR SD020 over Little Moreau Rv 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 January 2024.
How much traffic does IRR SD020 over Little Moreau Rv carry?
About 598 vehicles per day (2024 count), of which roughly 19% are trucks.
How long is IRR SD020 over Little Moreau Rv?
The structure is 24 ft (7.2 m) long with a longest span of 8 ft (2.3 m).
Who owns IRR SD020 over Little Moreau Rv?
It is owned by the State Highway Agency.