Allegheny River Bridge. Original caption: Allegheny River Bridge, Sixth Street, Pittsburgh, Pennsylvania. 2 spans 344 1/2 feet each; 1 span 117 feet; and 1 span 171 feet. 1860. Photo by Public Relations Division, John A. Roebling's Sons Co., 640 So. Broad Street, Trenton, 2, New Jersey. State: Pennsylvania. Place: Pittsburgh.

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Size: 7019px × 5100px
Photo credit: © NB/PR / Alamy / Afripics
License: Licensed
Model Released: No

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