Explosives bring down old Pa. bridge

<div class="meta image-caption"><div class="origin-logo origin-image none"><span>none</span></div><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