When the overhead bridge of I-10 was erected above Claiborne Avenue in the late 1960’s, it split the Treme in two and devastated the Black business district that had once been centered on Claiborne. But the location still has significance for downtown New Orleans, and on a Sunday where there is a downtown second-line, a massive crowd gathers under the bridge. Some people bring lawn chairs and even barbecue grills, partying and waiting for the arrival of the second-line, 12/02/12