Allegheny Aqueduct (Pittsburgh)

The Allegheny Aqueduct was John A. Roebling's first wire cable suspension bridge.^[1] It was built in 1844 near the later Fort Wayne Railroad Bridge as a replacement for a wooden covered bridge aqueduct over the Allegheny River in Pittsburgh, part of the Pennsylvania Canal.

Allegheny Aqueduct
Coordinates	40°26′54″N 79°59′46″W
Carries	Pennsylvania Canal
Crosses	Allegheny River
Locale	Pittsburgh
Other name(s)	Allegheny Aqueduct Bridge
Characteristics
Design	suspension bridge
Material	Wood, charcoal iron wire rope
No. of spans	7 of 162 feet each
History
Designer	John A. Roebling
Construction start	1844
Construction end	1845
Closed	1861
Location