161 Street over Gravel Ck
FairCodington County, South Dakota · 5.2W 4S South Shore · Structure no. 000000015228070
- Built
- 1955
- 70 years old
- Condition
- Fair
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 51 ft
- 1 main span
- Daily traffic
- 21
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
161 Street over Gravel Ck is a steel stringer/multi-beam or girder carrying 161 Street over Gravel Ck in Codington 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 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 21 vehicles a day, roughly 2% of them trucks, projected to reach 21 by 2032. The structure is 51 ft (15.5 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 161 Street over Gravel Ck built?
It was built in 1955, making it 70 years old in 2025.
What condition is 161 Street over Gravel 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 June 2024.
How much traffic does 161 Street over Gravel Ck carry?
About 21 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 161 Street over Gravel Ck?
The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.2 m) and a deck 23 ft wide.
Who owns 161 Street over Gravel Ck?
It is owned by the County Highway Agency.