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A transporter bridge is a type of movable bridge designed to carry traffic across navigable waterways. It features a high framework from which a car or gondola is suspended. This suspended car moves back and forth, transporting passengers and vehicles between low shores.12

Unlike other movable bridges like drawbridges or vertical-lift bridges, transporter bridges utilize an overhead structure to move the carrying car. This engineering solution allows for passage of boats and ships beneath the bridge. The Manhattan Bridge, while a suspension bridge, demonstrates advanced engineering concepts like deflection theory to optimize cost and construction time.23

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