Allegheny County, Pennsylvania (429)
Beam (15,804)
Built 1929 (1,019)
Built during 1920s (9,956)
Girder (10,299)
Lost (24,974)
Owned by railroad (12,498)
Pennsylvania (5,334)
| Pittsburgh & Castle Shannon Railroad (5)
Pittsburgh Railways Company (11)
Plate girder (7,983)
Railroad (15,601)
Replaced by new bridge (16,769)
Streetcar (280)
Through girder (3,842)
Timber stringer (4,028)
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