Dramatic footage has emerged from Pennsylvania, US, of a famous 107-year-old bridge being demolished. <br /><br />The video, filmed yesterday, shows the Hulton Bridge that connects Freeport Road to Oakmont being brought down with 150 pounds of dynamite.<br /><br />When the charges were detonated, the large crowd who had gathered to watch the explosion cheered, as four sections of the bridge fell into the Allegheny River.
