Twin Bridges
Key Takeaway
Twin Bridges is classified as significant hazard in Oklahoma. It was completed in 1970 and is 56 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 23 ft (taller than 24% in OK) |
| Dam Length | 780 ft |
| Dam Type | Earth |
| Max Storage | 155 acre-ft |
| Normal Storage | 101 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 1,440 cfs |
| Year Completed | 1970 (56 years old) |
| NID ID | OK11068 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
4 STRONG WINDS
Private
Nearby Dams
Fairfax Lake Golf Course Pond
Oklahoma, OK
Low Hazard 15 ftSCS-Cottonwood Creek Site-54
Logan, OK
High Hazard 50 ftDulaney Luther Q. Co.
Logan, OK
Low Hazard 20 ftFox Lake
Oklahoma, OK
Low Hazard 23 ftSCS-Cottonwood Creek Site-55
Logan, OK
Significant Hazard 38 ftFrances Oakes Dam
Oklahoma, OK
Low Hazard 19 ftOknoname 083024
Logan, OK
Low Hazard 24 ftJ-M Ranch
Oklahoma, OK
Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of Twin Bridges?
Twin Bridges is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Twin Bridges?
Twin Bridges is owned by 4 STRONG WINDS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Twin Bridges built?
Twin Bridges was completed in 1970, making it 56 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of Twin Bridges?
Twin Bridges serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Twin Bridges?
Twin Bridges has a dam height of 23 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.
When was Twin Bridges last inspected?
Twin Bridges was last inspected on December 6, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.