179 Street over Stray Horse Ck
PoorClosed to trafficHamlin County, South Dakota · 4.9E & 4N Castlewood · Structure no. 000000029279010
- Built
- 1910
- 115 years old
- Condition
- Poor
- inspected August 2006
- Type
- Truss - Thru
- Steel
- Length
- 83 ft
- 1 main span
- Daily traffic
- 5
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
179 Street over Stray Horse Ck is a steel truss - thru carrying 179 Street over Stray Horse Ck in Hamlin County, South Dakota. It was built in 1910, so it is 115 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 2 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 5 vehicles a day, roughly 2% of them trucks, projected to reach 5 by 2032. The structure is 83 ft (25.2 m) long and 18 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 2 Critical | Advanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 179 Street over Stray Horse Ck built?
It was built in 1910, making it 115 years old in 2025.
What condition is 179 Street over Stray Horse 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 August 2006.
How much traffic does 179 Street over Stray Horse Ck carry?
About 5 vehicles per day (2022 count), of which roughly 2% are trucks.
How long is 179 Street over Stray Horse Ck?
The structure is 83 ft (25.2 m) long with a longest span of 80 ft (24.4 m) and a deck 18 ft wide.
Who owns 179 Street over Stray Horse Ck?
It is owned by the County Highway Agency.