The first prestressed concrete bridge in North America was the Walnut Lane Memorial Bridge in Philadelphia, Pennsylvania.
bridge | Memorial Day | Theatre Royal, Drury Lane | Golden Gate Bridge | Lois Lane | Brooklyn Bridge | John Simon Guggenheim Memorial Foundation | memorial | Drury Lane | Contract bridge | Sydney Harbour Bridge | London Bridge | Lincoln Memorial | Memorial Stadium | Tower Bridge | Australian War Memorial | Memorial University of Newfoundland | Eads Bridge | walnut | Nathan Lane | Forth Bridge | Auckland Harbour Bridge | Waterloo Bridge | Walnut Creek, California | Vietnam Veterans Memorial | Valençay SOE Memorial | Stamford Bridge | Naismith Memorial Basketball Hall of Fame | Los Angeles Memorial Coliseum | Westminster Bridge |