IRR SD050 over Trib Choteau Ck
GoodCharles Mix County, South Dakota · 0.4 N JCT SD46 · Structure no. 000000012480286
- Built
- 2020
- 5 years old
- Condition
- Good
- inspected September 2024
- Type
- Culvert
- Concrete
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 1,329
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD050 over Trib Choteau Ck is a concrete culvert carrying IRR SD050 over Trib Choteau Ck in Charles Mix County, South Dakota. It was built in 2020, so it is 5 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 1,329 vehicles a day, roughly 9% of them trucks, projected to reach 1,908 by 2043. The structure is 23 ft (6.9 m) long. If it were closed, the detour would be 14.9 mi (24 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 SD050 over Trib Choteau Ck built?
It was built in 2020, making it 5 years old in 2025.
What condition is IRR SD050 over Trib Choteau Ck 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 September 2024.
How much traffic does IRR SD050 over Trib Choteau Ck carry?
About 1,329 vehicles per day (2023 count), of which roughly 9% are trucks.
How long is IRR SD050 over Trib Choteau Ck?
The structure is 23 ft (6.9 m) long with a longest span of 11 ft (3.4 m).
Who owns IRR SD050 over Trib Choteau Ck?
It is owned by the State Highway Agency.