SD022 over Cobb Ck
FairDeuel County, South Dakota · 11.4 E JCT Sd 15 · Structure no. 000000020211165
- Built
- 1954
- 71 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 134 ft
- 3 main spans
- Daily traffic
- 718
- 2024 count
- Owner
- State
- State Highway Agency
About this bridge
SD022 over Cobb Ck is a steel stringer/multi-beam or girder carrying SD022 over Cobb Ck in Deuel County, South Dakota. It was built in 1954, so it is 71 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 5 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 718 vehicles a day, roughly 22% of them trucks, projected to reach 975 by 2044. The structure is 134 ft (40.7 m) long and 32 ft wide. If it were closed, the detour would be 31.1 mi (50 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 SD022 over Cobb Ck built?
It was built in 1954, making it 71 years old in 2025.
What condition is SD022 over Cobb 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 April 2023.
How much traffic does SD022 over Cobb Ck carry?
About 718 vehicles per day (2024 count), of which roughly 22% are trucks.
How long is SD022 over Cobb Ck?
The structure is 134 ft (40.7 m) long with a longest span of 43 ft (13 m) and a deck 32 ft wide.
Who owns SD022 over Cobb Ck?
It is owned by the State Highway Agency.