IRR US212 over Bear Ck
FairZiebach County, South Dakota · 1 W of Red Elm · Structure no. 000000069105289
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected May 2024
- Type
- Slab
- Concrete Continuous
- Length
- 73 ft
- 3 main spans
- Daily traffic
- 1,083
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
IRR US212 over Bear Ck is a concrete continuous slab carrying IRR US212 over Bear Ck in Ziebach County, South Dakota. It was built in 1955, so it is 70 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 1,083 vehicles a day, roughly 22% of them trucks, projected to reach 1,726 by 2044. The structure is 73 ft (22.4 m) long and 34 ft wide. If it were closed, the detour would be 70.2 mi (113 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IRR US212 over Bear Ck built?
It was built in 1955, making it 70 years old in 2025.
What condition is IRR US212 over Bear Ck in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2024.
How much traffic does IRR US212 over Bear Ck carry?
About 1,083 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is IRR US212 over Bear Ck?
The structure is 73 ft (22.4 m) long with a longest span of 26 ft (7.9 m) and a deck 34 ft wide.
Who owns IRR US212 over Bear Ck?
It is owned by the State Highway Agency.