| Bridge Name: | Allegheny Aqueduct |
| Other Name: | Allegheny Aqueduct Bridge |
| Carries: | Pennsylvania Canal |
| Crosses: | Allegheny River |
| Locale: | Pittsburgh |
| Designer: | John A. Roebling |
| Design: | suspension bridge |
| Material: | wood, charcoal iron wire rope |
| Spans: | 7 of 162 feet each |
| Begin: | 1844 |
| Complete: | 1845 |
| Closed: | 1861 |
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.