Trail Bridge
Key Takeaway
Trail Bridge is classified as high hazard in Oregon. It was completed in 1963 and is 63 years old. Its primary use is hydroelectric. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.
Physical Details
| Dam Height | 90 ft (taller than 93.4% in OR) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 2.3K acre-ft |
| Normal Storage | 2.3K acre-ft |
| Surface Area | 73 acres |
| Drainage Area | 184 sq mi |
| Max Discharge | 29,000 cfs |
| Year Completed | 1963 (63 years old) |
| NID ID | OR00540 |
Safety Information
Loss of human life is likely if the dam fails.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
Eugene Water and Electric Board
Public Utility
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Trail Bridge?
Trail Bridge is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Trail Bridge?
Trail Bridge is owned by Eugene Water and Electric Board (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Trail Bridge built?
Trail Bridge was completed in 1963, making it 63 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 Trail Bridge?
Trail Bridge serves the following purposes: Hydroelectric, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Trail Bridge?
Trail Bridge has a dam height of 90 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 Trail Bridge last inspected?
Trail Bridge was last inspected on September 20, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.