Chesapeake Bay Bridge. The William Preston Lane, Jr., Memorial Bridge (Chesapeake Bay Bridge) spans 4.2 miles across the middle of Chesapeake Bay. Opened in 1952, the Bridge transformed access to the eastern shore of the State. A second parallel Bay Bridge opened in 1973.
Thomas J. Hatem Memorial Bridge. This bridge spans the Susquehanna River from a point near Perryville in Cecil County to a point near Havre de Grace in Harford County. The bridge opened in 1940 as the Susquehanna River Toll Bridge. In 1986, it was renamed for Thomas J. Hatem (1925-1985) who represented Harford County in the House of Delegates from 1955 to 1958. The Hatem Memorial Bridge is 1.4 miles long.
Francis Scott Key Bridge. The 1.6-mile long Francis Scott Key Bridge spanned Baltimore Harbor in 1977.