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
1915 New Orleans hurricane rail service to New Orleans was suspended. The hurricane also caused significant damage in areas around New Orleans, including the destruction of 90% of buildings destroyed along Lake Pontchartrain. Only one house remained standing in Leeville, Louisiana; similar destruction occurred between Golden Meadow, Louisiana and Cut Off, Louisiana, where 100 houses were demolished. In Morgan City, Louisiana, winds of 75 mph (120 km/h) blew down wires and crippled communication. The total damage to infrastructure in areas surrounding New Orleans was estimated at US$6.5 million. The heaviest rain fell within an area 25 mi (40 km) east of the center, though