The Allegheny Aqueduct was John A. Roebling's first wire cable suspension bridge. It was built in 1844 near the later

Fort Wayne Railroad Bridge The Fort Wayne Railroad Bridge, listed as the Pennsylvania Railroad Bridge on the National Register of Historic Places, is a double-deck bridge, double-deck truss bridge, steel truss railroad bridge spanning the Allegheny River in Pittsburgh, Pen ...

as a replacement for a wooden

covered bridge A covered bridge is a timber-truss bridge with a roof, decking, and siding, which in most covered bridges create an almost complete enclosure. The purpose of the covering is to protect the wooden structural members from the weather. Uncovered woo ...

aqueduct over the

Allegheny River The Allegheny River ( ; ; ) is a tributary of the Ohio River that is located in western Pennsylvania and New York (state), New York in the United States. It runs from its headwaters just below the middle of Pennsylvania's northern border, nor ...

Pittsburgh Pittsburgh ( ) is a city in Allegheny County, Pennsylvania, United States, and its county seat. It is the List of municipalities in Pennsylvania#Municipalities, second-most populous city in Pennsylvania (after Philadelphia) and the List of Un ...

, part of the

Pennsylvania Canal The Pennsylvania Canal, sometimes known as the Pennsylvania Canal system, was a complex system of transportation infrastructure improvements, including canals, dams, Lock (water transport), locks, tow paths, Navigable aqueduct, aqueducts, and vi ...

References

External links

* {{Pittsburgh Bridges in Pittsburgh Navigable aqueducts in the United States Pennsylvania Canal Suspension bridges in Pennsylvania Iron bridges in the United States Transportation buildings and structures in Allegheny County, Pennsylvania