Columbus, IN. Online Offers. Columbus ( /kÉlÊmbÉs/) is a city in and the county seat of Bartholomew County, Indiana, United States. The population was 44,061 at the 2010 census, and the current mayor is Fred Armstrong.
In 1951, the U.S. Army Corps of Engineers began construction of the New Orleans Mississippi River Floodwall under the Dumaine Street Wharf. Between 1973 and 1992, 15 major sections were built at a cost of $30 million.
1 New Orleans survived Hurricane Katrina on August 29, 2005 - then the levees broke the next day to flood the city. 2  False: All levees breached before 10:00 AM on the morning of August 29, 2005! 3  Mississippi River levees (or Lakefront levees) breached. New Orleans survived Hurricane Katrina on August 29, 2005 - then the levees broke the next day to flood the city. 2  False: All levees breached before 10:00 AM on the morning of August 29, 2005! 3  Mississippi River levees (or Lakefront levees) breached.