Francis Scott Key Bridge

The Francis Scott Key Bridge, also known as the Outer Harbor Bridge or simply the Key Bridge, is a Steel Arch-Shaped Continuous Through Truss Bridge spanning the Patapsco River in Baltimore, Maryland, USA. The main span of 1200ft is the third longest span of any continuous truss in the world. It is also the longest bridge in the Baltimore area.The bridge was opened in March 1977 and is named for the author of the Star Spangled Banner, Francis Scott Key. The bridge is the outermost of three toll crossings of Baltimore’s Harbor. Upon completion, the bridge structure and its approaches became the final links in Interstate 695 (the Baltimore Beltway). Despite the I-695 signage, the bridge is officially considered part of Maryland Route 695.The span is 1200ft long and carries an estimated 11.5 million vehicles annually. This bridge is a designated hazardous materials truck route, as HAZMATs are prohibited in the two tunnels.The Key Bridge is a toll facility operated by the Maryland Transportation Authority. The toll rate for cars as of July 1, 2013 is $4.00. The bridge is also part of the E-ZPass system, and includes two dedicated E-ZPass lanes in its toll plaza in both the northbound and southbound directions.