- Eads Bridge Roald Tweet 2:59
This is Roald Tweet on Rock Island. They called it the miracle bridge as it slowly arched across the St. Louis waterfront toward Illinois from 1867 to 1874—a web of steel girders and trusses looking much like the largest erector set a boy could ever imagine. A miracle because of its size—a 520-foot central span—and because the massive granite piers supporting the arches had to go down seventy feet through quicksand to a safe foundation.
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