1954
Delaware memorial
Mid-Delaware Bridge was created in 1939.
Blanchette Memorial Bridge was created in 1958.
Wissahickon Memorial Bridge was created in 1932.
Dunn Memorial Bridge was created in 1969.
Memorial Bridge - Massachusetts - was created in 1922.
Sorlie Memorial Bridge was created in 1929.
Marion Memorial Bridge was created in 1929.
Butt Memorial Bridge was created in 1914.
Mears Memorial Bridge was created in 1923.
Lincoln Memorial Bridge was created in 1933.