Bascule Bridge (raised)

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Bascule Bridge (raised)

Friday, Dec 14 2012 by kjfitz
A bascule bridge (sometimes referred to as a drawbridge) is a moveable bridge with a counterweight that continuously balances the span, or "leaf," throughout the entire upward swing in providing clearance for boat traffic. Bascule is a French term for seesaw and balance, and bascule bridges operate along the same principle. They are the most common type of movable bridge in existence because they open quickly and require relatively little energy to operate. Bascule bridges may be single or double leaf.