The I-10 Twin Span Bridge, a nearly 6 mile causeway officially known as the Frank Davis "Naturally N'Awlins" Memorial Bridge, consists of two parallel trestle bridges. These parallel bridges cross the eastern end of Lake Pontchartrain in southern Louisiana from New Orleans to Slidell. The current bridge spans were constructed in the second half of the 2000s after the original bridges were extensively damaged by Hurricane Katrina on August 29, 2005. The first span opened to eastbound traffic on July 9, 2009. On April 7, 2010, the second span was opened to traffic and the old twin spans were permanently closed to traffic.