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 preparedness for New Orleans floodgate structures and raising existing levees. The report also suggested that the chances of a major Category 5 hurricane directly striking New Orleans was a one-in-500-year event. In 2001, the "Houston Chronicle" published a story which predicted that a severe hurricane striking New Orleans, "would strand 250,000 people or more, and probably kill one of 10 left behind as the city drowned under of water. Thousands of refugees could end up in Houston." In 2002, "The Times Picayune" published a feature covering various scenarios, including a Category 5 hurricane hitting the city from the south. The series also explored the