19th Century (7,536)
Allegheny County, Pennsylvania (421)
Allegheny River (67)
Baltimore & Ohio Railroad (472)
Built 1884 (177)
Built during 1880s (1,987)
Deck girder (5,728)
Girder (10,203)
Iron City Bridge Works (1)
Lost (24,610)
Lost 1921 (28)
| Lost during 1920s (470)
Pennsylvania (5,312)
Pittsburgh, Pennsylvania (148)
Plate girder (7,901)
Pratt through truss (5,370)
Pratt truss (9,268)
Railroad (15,361)
Replaced by new bridge (16,489)
Through truss (15,015)
Truss (32,704)
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