IRR County Road over Trib to Little Moreau R
GoodDewey County, South Dakota · 3.0S 2.5E Firesteel · Structure no. 000000021136060
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 10
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
IRR County Road over Trib to Little Moreau R is a concrete continuous culvert carrying IRR County Road over Trib to Little Moreau R in Dewey County, South Dakota. It was built in 2008, so it is 17 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 10 by 2032. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 6.2 mi (10 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 County Road over Trib to Little Moreau R built?
It was built in 2008, making it 17 years old in 2025.
What condition is IRR County Road over Trib to Little Moreau R 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 County Road over Trib to Little Moreau R carry?
About 10 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is IRR County Road over Trib to Little Moreau R?
The structure is 41 ft (12.4 m) long with a longest span of 20 ft (6 m).
Who owns IRR County Road over Trib to Little Moreau R?
It is owned by the County Highway Agency.