sentences:  The bridge was closed on February 20, 2012 when two of the cables that support the bridge fell due to cracks in their attachment points; additional significant cracks were subsequently found in two other support plates.The bridge, supported with temporary bracing, was reopened June 1, 2012.A summary report of the failure analysis released June 8, 2012 determined that unaccounted for wind-induced cable vibrations led to the failures of the attachment points.