Spieske

Maya Spieske


 * 1) **What is the name of the bridge?** The Manhattan Bridge
 * 2) **When and where was the bridge built?** The Manhattan Bridge was built in Manhattan, New York . It started being built in 1901, but was completed in 1912. The bridge was officially opened to the public on December 31st, 1909.
 * 3) **What is the purpose of this bridge? What does it span and what does it connect?** The purpose of this bridge is to create a path way for pedestrians to cross the East River by veichle, bike, or subway. It connects lower Manhattan with Brooklyn, on Long Island
 * 4) **What type of bridge is it (arch, suspension, cable, beam, etc.)?** The Manhattan Bridge is a suspension bridge.
 * 5) **How much did it cost?** The original cost for the bridges structure was over $31,000,000.
 * 6) **What materials were used to build this bridge?** The Manhattan bridge consists of: steel cables, steel deck, steel pylons, masonry foundation, and masonry anchorages.
 * 7) ** What were some of the special challenges that the bridge engineers faced? How did they overcome these challenges? ** One very interesting issue that engineers ran into was the bridges movement. The structure was originally planned and built to have the subway tracks on the outside of the bridge. But every time the subway goes by, the weight on that specific side of the bridge causes the bridge to sway. There is footage of this happening every time the subway goes by. This is why the Manhattan bridge goes under so much construction frequently. http://secondavenuesagas.com/2009/07/28/the-swaying-manhattan-bridge/
 * 8) ** How long did it take to build this bridge? ** For the bridge to be fully completed, it took 11 years for the bridge to be finished. But was opened 9 years into the process.
 * 9) ** What are the measurements of this bridge? ** Length: 6,855 feet, Width: 120 feet, Height: 336 (towers), Clearance: 135 feet
 * 10) ** Did you find any fun or interesting facts or stories about this bridge? Daily the Manhattan bridge accommodates some 75,00 veh **** icles, 320,000 mass tra **** nsit riders and 3000 pedestrians/cyclists. **