170th Street over Dove Creek
FairSpink County, South Dakota · 6S 5.5W Athol · Structure no. 000000058005220
- Built
- 1940
- 85 years old
- Condition
- Fair
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 39 ft
- 2 main spans
- Daily traffic
- 55
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th Street over Dove Creek is a steel stringer/multi-beam or girder carrying 170th Street over Dove Creek in Spink County, South Dakota. It was built in 1940, so it is 85 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 55 vehicles a day, roughly 2% of them trucks, projected to reach 55 by 2032. The structure is 39 ft (11.9 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 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 | 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 170th Street over Dove Creek built?
It was built in 1940, making it 85 years old in 2025.
What condition is 170th Street over Dove Creek 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 September 2024.
How much traffic does 170th Street over Dove Creek carry?
About 55 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 170th Street over Dove Creek?
The structure is 39 ft (11.9 m) long with a longest span of 19 ft (5.8 m) and a deck 20 ft wide.
Who owns 170th Street over Dove Creek?
It is owned by the County Highway Agency.