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Modern Marvels: Bridge DVD

Modern Marvels: Bridge DVD

SKU ID #69574

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  • Additional Details
  • Format: Color, DVD-Video, NTSC
  • Rating: Not Rated
  • Number of Discs: 1
  • Run Time: 50 Minutes
  • Region: Region 1 Region?
  • Aspect Ratio: 1.33:1
  • Language: English
  • Studio: History Channel
  • DVD Release Date: March 19, 2006

To get a tool's-eye view of just how a mega-bridge like this gets built, we're focusing on these kings of construction: the clamshell dredge, the pile driver, the concrete truck, steel cable, and the submerged arc welder.



Building a bridge requires utilizing the same materials and manpower as any mega-construction project. But you also have to do it on water! We'll travel to the new Woodrow Wilson Bridge that connects Virginia to Maryland across the Potomac River to see how it's done. And it certainly fits the bill as a mega-bridge: to accommodate 300,000 vehicles a day, this bridge will have 12 lanes of traffic covering a total surface area as big as 25 football fields. In all, it'll take more than 45 million pounds of steel, 1,200 workers, and eight years to build this bridge.

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