175 Street over Big Sioux Rv
FairPosted for loadCodington County, South Dakota · 3.0S & 2.8E Watertown · Structure no. 000000015218210
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected June 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 101 ft
- 2 main spans
- Daily traffic
- 41
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
175 Street over Big Sioux Rv is a steel stringer/multi-beam or girder carrying 175 Street over Big Sioux Rv in Codington County, South Dakota. It was built in 1986, so it is 39 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 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. Its operating status is: posted for load restriction.
It carries about 41 vehicles a day, roughly 2% of them trucks, projected to reach 41 by 2032. The structure is 101 ft (30.9 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 175 Street over Big Sioux Rv built?
It was built in 1986, making it 39 years old in 2025.
What condition is 175 Street over Big Sioux Rv 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 2023.
How much traffic does 175 Street over Big Sioux Rv carry?
About 41 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 175 Street over Big Sioux Rv?
The structure is 101 ft (30.9 m) long with a longest span of 81 ft (24.6 m) and a deck 24 ft wide.
Who owns 175 Street over Big Sioux Rv?
It is owned by the County Highway Agency.