Many structures are not what they used to be, and the Kinzua Bridge is no exception. Having been built in 1881 thanks to the advocation of General Thomas L. Kane seeing a need for a through railroad route to Buffalo, New York. The cornerstone of the bridge was placed in August of 1881, and was the largest railroad bridge in the world at the time. Ironically, the original bridge was replaced roughly 20 years later due to the fact railcars were now being made with heavier steel and other dense materials. Due to this matter, the bridge needed rebuilt to support these cars. The replacement weighed 3,500 tons and was 2,100 feet long. While the bridge was used quite frequently by trains, The Erie Railroad decided to operate the last freight train over the bridge on June 21, 1959. It was then turned into the Kinzua Bridge State Park in 1963. In 1977 the bridge was placed on the National Register of Historic Places, and in 1982 the Knox and Kane Railroad began operations from Knox to Mt. Jewett, Pennsylvania with the option to go out onto the bridge by train. In August of 2002, the operation was closed due to the deterioration of the bridges structure. The State of Pennsylvania hired a contractor to do the necessary repairs to the bridge, but on July 21, 2003 an F1 tornado travelling at 94 miles per hour destroyed 11 of the 20 towers on the bridge. In 2009, the bridge was envisioned to become the Kinzua sky walk allowing the visitors to walk across the remains of the railroad trestle and look down at the aftermath of the tornado through a glass floor. The Kinzua Bridge Sky Walk opened on September 15, 2011 and is free to visit and view what the wrath of mother nature can do. While the Sky Walk is an excellent landmark, it is only a shell of it's former self. The bridge was considered to be the "8th wonder of the world" and before the collapse was the 4th largest railroad bridge of all time, and the 2nd largest in North America. She may be partially gone, but certainly not forgotten.
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