The 32-foot-wide, eight-span, 540-foot long Knickerbocker, the largest composite bridge in the world, is now open in Boothbay, Maine.

Built in 1930 with a major superstructure rehabilitation in 1983, the existing Knickerbocker Bridge was comprised of a 38-span timber bridge approximately 535-feet in length. This two-lane highway bridge, which carries Barters Island Road over the Back River in Boothbay, is very close to the tidal waters with only 4-feet of clearance at high tide. Being in a harsh marine environment, it was key that the replacement bridge be constructed to better withstand the elements. 

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ASCE awarded Bridge-in-a-Backpack the prestigious Charles Pankow Award for Innovation. Dr. Habib Dagher accepted the award at the Outstanding Projects and Leaders Awards Gala in Washington DC. To see pictures of the event click here.