A mile-long surge barrier built near New Orleans in the wake of Hurricane Katrina has been awarded one of America's highest civil engineering honours.

The Inner Harbour Navigation Canal Surge Barrier (IHNC), situated close to the iconic Louisiana city of New Orleans, has won the 2014 Outstanding Civil Engineering Achievement (OCEA) Award from the American Society of Civil Engineers. The IHNC was authorised in 2006 by the US Congress just a year after Hurricane…