Civil engineering and infrastructure repair in New Orleans after Hurricane Katrina Sea flood of 1953 in which 2,170 people were killed. Since Katrina, the US, through the Army Corps of Engineers, has made a $14.45 billion investment in the area around New Orleans. Some of the projects include: Approximately 45 bridges were damaged by some aspect of the hurricane. Several major bridges were among the worst damaged, with the I-10 Twin Span Bridge as the most catastrophic failure with over 470 spans separated from their supports and nearly 65 fallen completely into the water. Other vital bridges damaged enough to impede traffic included the Pontchartrain Causeway, St. Louis Bay Bridge, and
New Orleans tornado of 2017 that toppled a metal truss tower, badly damaged a metal building, and destroyed manufactured homes. An EF1 struck the town of Donaldsonville, causing considerable damage to structures and killing one person. A large EF2 wedge tornado that passed near Killian and Akers downed many trees and destroyed small house built on a cinder block foundation. Another EF2 destroyed a flea market near Harperville, Mississippi as well. A total of 15 tornadoes were confirmed across parts of Louisiana, Mississippi, Alabama, Florida, Georgia, Tennessee, and Kentucky. New Orleans tornado of 2017 The New Orleans tornado of 2017 was a large and powerful