Seabrook Floodgate, Flood barrier near Industrial Canal, New Orleans, Louisiana.
The Seabrook Floodgate is a flood barrier at the northern end of the Industrial Canal in New Orleans, Louisiana, where the canal meets Lake Pontchartrain. It consists of two large sector gate leaves and a vertical lift gate that together can fully close the canal opening.
The structure was built in response to Hurricane Katrina in 2005, which flooded much of the city and exposed the limits of the existing flood defense network. It became one of the central projects in a broad program to rebuild and strengthen protections across the region.
The name Seabrook comes from the nearby bridge that crosses the same waterway at this point. Standing at the gate, you can clearly see how the city sits between the lake and its network of canals, with water on nearly every side.
The floodgate is visible from the bank of the Industrial Canal and can be viewed without any entrance fee. It is best to visit outside of storm warning periods, as the gates may be in operation during bad weather and access can be limited.
Although the gates stay open most of the time to allow boat traffic and water exchange, they can be fully closed within a matter of hours once a storm is forecast. The sector gate leaves swing inward on a curved path rather than sliding straight down, which makes the closing motion look more like a door than a dam.
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