Causeway’s Southbound Span Closed Due To Accident Public Profile Edit Profile Sign Out >Causeway’s southbound span closed due to accident Updated November 7, 2018 at 9:02 AM; Posted November 7, 2018 at 8:28 AM The Lake Pontchartrain Causeway. (NOLA.com | The Times-Picayune archive) By Robert Rhoden, NOLA.com | The Times-Picayune email@example.com The Times-Picayune The southbound span of the Lake Pontchartrain Causeway is closed due to a multi-vehicle crash. The Causeway announced the closure at 8:12 a.m. Wednesday (Nov. 7). Causeway General Manager Carlton Dufrechou said the crash occurred near the northern end of the bridge and involved several vehicles. One person may have been badly injured, he said. The crash occurred as bridge police were convoying motorists across the southbound span because of thick fog. Stay with NOLA.com for more on this developing story.