US014 Ef over Prairie Dog Ck
PoorStanley County, South Dakota · 7.8 S JCT Sd 34 · Structure no. 000000059021358
- Built
- 1920
- 105 years old
- Condition
- Poor
- inspected February 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 28 ft
- 1 main span
- Daily traffic
- 50
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US014 Ef over Prairie Dog Ck is a steel stringer/multi-beam or girder carrying US014 Ef over Prairie Dog Ck in Stanley County, South Dakota. It was built in 1920, so it is 105 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 4 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.
It carries about 50 vehicles a day, roughly 5% of them trucks, projected to reach 50 by 2043. The structure is 28 ft (8.4 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, 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 US014 Ef over Prairie Dog Ck built?
It was built in 1920, making it 105 years old in 2025.
What condition is US014 Ef over Prairie Dog 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 February 2025.
How much traffic does US014 Ef over Prairie Dog Ck carry?
About 50 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is US014 Ef over Prairie Dog Ck?
The structure is 28 ft (8.4 m) long with a longest span of 28 ft (8.4 m) and a deck 20 ft wide.
Who owns US014 Ef over Prairie Dog Ck?
It is owned by the State Highway Agency.