IRR SD046 over Choteau Ck
GoodCharles Mix County, South Dakota · 1.3 E of Wagner · Structure no. 000000012523290
- Built
- 1968
- 57 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 209 ft
- 5 main spans
- Daily traffic
- 1,199
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR SD046 over Choteau Ck is a concrete continuous slab carrying IRR SD046 over Choteau Ck in Charles Mix County, South Dakota. It was built in 1968, so it is 57 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 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 1,199 vehicles a day, roughly 17% of them trucks, projected to reach 1,730 by 2044. The structure is 209 ft (63.7 m) long and 47 ft wide. If it were closed, the detour would be 37.3 mi (60 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR SD046 over Choteau Ck built?
It was built in 1968, making it 57 years old in 2025.
What condition is IRR SD046 over 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 July 2024.
How much traffic does IRR SD046 over Choteau Ck carry?
About 1,199 vehicles per day (2024 count), of which roughly 17% are trucks.
How long is IRR SD046 over Choteau Ck?
The structure is 209 ft (63.7 m) long with a longest span of 43 ft (13 m) and a deck 47 ft wide.
Who owns IRR SD046 over Choteau Ck?
It is owned by the State Highway Agency.