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Also Try Bridges in Infrastructure Papers Builders - Ancient Romans (Roman Empire) Provides examples of some of the bridges, walls, and buildings of ancient Rome. (Includes some grammatical errors.) 11-00 George Washington Bridge (NYCRoads.com) Provides facts about the bridge, pictures of rejected designs, pictures of the bridge, information on the expansions of the bridge, and a description of how the master bridge designer, Othmar Ammann, gained the contract to build the bridge. "The bridge's two steel towers, embedded deep in rock and concrete, soar 604 feet into the sky, each as tall as some of Manhattan's great skyscrapers." 7-02 Golden Gate (San Francisco) Bridge (About.com - Malloy) Provides facts about the bridge, pictures of rejected designs, pictures of the bridge, information on the expansions of the bridge, and a description of how the master bridge designer, Othmar Ammann, gained the contract to build the bridge. "The bridge's two steel towers, embedded deep in rock and concrete, soar 604 feet into the sky, each as tall as some of Manhattan's great skyscrapers." 7-02 Mackinac Bridge (US News) "Five miles long, the 'Mighty Mac,' which opened to traffic on Nov. 1, 1957, was to become the world's longest suspension bridge between cable anchorages. Even today, it remains the longest suspension bridge in the Western Hemisphere and the third-longest bridge in the world." 7-02 Projects Building Structures (Exploratorium - Science Learning Network) Provides directions and drawings for creating (small scale) replicas of bridges and other structures. 2-01

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