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
Hurricane Cindy (2005) km/h), many trees were damaged or uprooted and scattered street flooding was reported. As thousands lost electrical power, the city experienced its worst blackout since Hurricane Betsy 40 years earlier. Although still listed as a "Tropical Storm" by the weather service at the time, many laypeople in New Orleans were under the impression that Cindy was a hurricane, and referred to it as "Hurricane Cindy" before it was officially upgraded. Many people in the New Orleans metropolitan area expected minimal effects from the storm, but were cleaning up debris and were without power for days after Cindy's passage. In Louisiana,