301-foot-tall, 103-year-old Kinzua...
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301-foot-tall, 103-year-old Kinzua Viaduct (steel railroad bridge), McKean Co., Pennsylvania, destroyed by F1 tornado. When the structure was built in 1882, it was the highest railroad bridge in the world. It spanned 2,053 feet and weighed 3,105,000 pounds.
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