Four years after the bridge collapse , replacement bridge boasts high - tech safety . Bridge Safety : `` The bridges you worry about are the older ones , '' he said . ` ` There 's a lot of truth '' to speculation the new bridge is world 's safest . 13 people killed in August 1 , 2007 , collapse raised safety concerns about the bridges . Feds : One in four bridges are still structurally deficient or functionally obsolete .
Four years after the bridge collapse , replacement bridge boasts high - tech safety . Bridge Safety : ` ` There 's a lot of truth '' to speculation the new bridge is world 's safest . 13 people killed in August 1 , 2007 , collapse raised safety concerns about the bridges . Feds : One in four bridges are still structurally deficient or functionally obsolete .