The Lake Washington Floating Bridge is a unique bridge located in Washington State, connecting the cities of Seattle and Bellevue. It spans over 7,580 feet and is notable for being the longest floating bridge in the world. The bridge was completed in 1963 and is part of the State Route 520, providing a vital transportation link across Lake Washington. Constructed using a series of pontoons, the bridge floats on the lake's surface, allowing it to adapt to changing water levels. It serves both vehicles and pedestrians, enhancing accessibility in the region. The bridge is an engineering marvel, showcasing innovative design and construction techniques.