| Allegheny Aqueduct | |
|---|---|
| Other name(s) | Allegheny Aqueduct Bridge |
| Carries | Pennsylvania Canal |
| Crosses | Allegheny River |
| Locale | Pittsburgh |
| Designer | John A. Roebling |
| Design | suspension bridge |
| Material | wood, charcoal iron wire rope |
| Number of spans | 7 of 162 feet each |
| Construction begin | 1844 |
| Construction end | 1845 |
| Closed | 1861 |
The Allegheny Aqueduct was John A. Roebling's first wire cable suspension bridge.[1] It was built in 1844 by as a replacement for a wooden covered bridge aqueduct over the Allegheny River in Pittsburgh, part of the Pennsylvania Canal.