Delaware/Maryland/Virginia 91 of 111 photos   Washington Street Bridge   Location: Wilmington, DE Format: 4x5 Transp © Ronald C Saari   Buy A Print Request Licensing Email This Photo   The arch bridge is 720 feet long and features five spans. Opened on November 24, 1921, the Washington Street Bridge is the only open spandrel arch bridge in the state of Delaware. The span was designed as a memorial to Delaware's war veterans.