185th ST over Turtle Ck
PoorClosed to trafficSpink County, South Dakota · 2S 7.5W Tulare · Structure no. 000000058025370
- Built
- 1903
- 122 years old
- Condition
- Poor
- inspected September 2014
- Type
- Truss - Thru
- Steel
- Length
- 62 ft
- 1 main span
- Daily traffic
- 31
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
185th ST over Turtle Ck is a steel truss - thru carrying 185th ST over Turtle Ck in Spink County, South Dakota. It was built in 1903, so it is 122 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.
It carries about 31 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2032. The structure is 62 ft (18.9 m) long and 18 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 3 Serious | Loss of section, deterioration, spalling or scour have seriously affected primary structural components. |
| 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 185th ST over Turtle Ck built?
It was built in 1903, making it 122 years old in 2025.
What condition is 185th ST over Turtle Ck in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2014.
How much traffic does 185th ST over Turtle Ck carry?
About 31 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 185th ST over Turtle Ck?
The structure is 62 ft (18.9 m) long with a longest span of 60 ft (18.3 m) and a deck 18 ft wide.
Who owns 185th ST over Turtle Ck?
It is owned by the County Highway Agency.