The High Rise Bridge is a four-lane, bascule drawbridge that Interstate 64 (I-64) uses to cross the Southern Branch of the Elizabeth River. The twin spans of concrete and steel were completed in 1972, and are operated by VDOT. Currently, the High Rise Bridge is the only highway-grade toll-free crossing of the Southern Branch Elizabeth River, since the Downtown and Midtown Tunnel began tolling in 2014. Other non-interstate alternate routes include the Gilmerton Bridge on U.S. Route 13, as well as the tolled Jordan Bridge in Portsmouth.