405 scene, 10:17 a.m. — bringing down a bridge by LA Metro , September 29, 2012 The middle span on the north side looks to be going, going, gone…. Photo by Gary Leonard for Metro. Categories: Projects, Service Alerts Tagged as: 405 closure, carmageddon, I-405 Sepulveda Pass Improvements Project, Mulholland Bridge, Sepulveda Pass