A time-lapse video lets viewers see how crews completed the complex lifting and moving of the 1,100-foot, 3,400-ton Sellwood Bridge in Portland, Ore. Teflon-padded tracks "doused with liquid soap" were built and hydraulic jacks used to lift the bridge onto "ski-like steel beams that could slide inside the tracks" and move the bridge "inch by inch to its new home."

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