a grieving father was arrested on sunday attempting to build a barricade on a bridge in georgia where his teenage daughter had died just three weeks ago .
cecily hamilton , 16 , and her friend taylor swing , 18 , died on march 15 when their car plunged off the bridge in white county and into the water below .
cecily hamilton , who had grown fustrated waiting for the local authorites to act , was arrested by deputies on gene nix road on sunday .