Explosives bring down old Pa. bridge

<div class="meta "><span class="caption-text ">A section of the 58-year-old Allegheny River Bridge was demolished in Pittsburgh on July 13, 2010.   Traffic on the nearby Pennsylvania Turnpike was stopped for about a half hour while the demolition took place. </span></div>
July 13, 2010 10:37:40 AM PDT