The Tunkhannock Viaduct
| This bridge, sometimes called the Nicholson Bridge, is one of the wonders of the world and located at Nicholson, Pa., in the Endless Mountains. Built in 1912-1915 it has a 34 foot wide road bed for the double track of the Lackawanna Rail Road. The two center piers are 300 feet in the ground. In the building of this bridge, over 163,000 cubic yards of concrete were used.|
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