Waterways are the lifeblood of Seattle. The State Department of Transportation operates and maintains many bridges throughout Seattle, including five movable bridges. Four of the movable bridges are draw bridges, known as bascule bridges--Ballard, Fremont, Montlake and University. The fifth movable bridge is the Spokane Street Bridge, a swing bridge. The Fremont Bridge crosses the Lake Washington Ship Canal to link Fremont and Queen Anne neighborhoods. Opened on July 4, 1917 and just 30 feet above the water, the bridge rises for marine traffic on average of about 35 times a day, making it one of the busiest bascule bridges in the world. Construction work begun in September 2005 and completed in 2008 addressed the approaches and new deck work. This on-site visit with the city’s bridge experts will reveal all the workings top to bottom.