Allegheny Aqueduct (Pittsburgh)
|Other name(s)||Allegheny Aqueduct Bridge|
|Material||wood, charcoal iron wire rope|
|No. of spans||7 of 162 feet each|
|Designer||John A. Roebling|
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 as a replacement for a wooden covered bridge aqueduct over the Allegheny River in Pittsburgh, part of the Pennsylvania Canal.
- Gibbon, Donald L. (May 2006). "How Roebling Did It: Building the World's First Wire-Rope Suspension Aqueduct in 1840s Pittsburgh". JOM. 58 (5): 20–29. doi:10.1007/s11837-006-0018-8.