Wednesday, February 18, 2026

2013 $1.3b 1.8-mile (2km) Lake Borgne Surge Barrier in New Orleans, LA

Primary Gate: (Satellite)
Secondary Gate: (Satellite)

Satellite

Roger, Nov 2022

The navigation channel gate is a small part of the barrier.
Satellite

This is the gate for a secondary navigation channel.
Andrew Adinolfi, Mar 2022

Flood Protection Authority posted
The 1.8-mile-long, $1.3 billion Lake Borgne Storm Surge Barrier is the largest civil works, design-build construction project in the history of the U.S. Army Corps of Engineers.
[A comment indicated that the storm surge from Hurricane Katrina was 35' (10.7m), so how effective would 26' (8m) be?]

"Great Wall of Louisiana" The barrier cost $1.3b and was completed in 2013. [FloodAuthority] The following three photos are from that webpage.
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