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Marple Aqueduct
River Goyt, Marple, Salford, Greater Manchester, UK
Marple Aqueduct
associated engineer
Benjamin Outram
date  May 1794 - 1800
era  Georgian  |  category  Aqueduct  |  reference  SJ954900
ICE reference number  HEW 26
photo  PHEW
Now a Scheduled Ancient Monument, Marple Aqueduct carries the Peak Forest Canal over the River Goyt. It is located at the foot of the flight of sixteen Marple Locks. The Peak Forest Canal connected Whaley Bridge with the Ashton Canal at Dukinfield, 24km north of the aqueduct.
Marple Aqueduct is 27.4m high and some 94m long. It has three semicircular solid masonry arches of spans 18.2m, 18m and 17.7m. Each arch has two rings of voussoirs, the lower on edge and the upper on flat. There are circular holes of 2.7m diameter approximately through the spandrels either side of the upper parts of the piers, which feature narrow pilasters, the lower parts of which are in rough stone with rounded ends.
The approach channel to the aqueduct lined with brick and is 2.3m wide at its narrowest, and 2m deep. There is a stringcourse below the trough and another below the parapet. The aqueduct has curved wing-walls.
Severe damage was caused during the hard winters of 1961/2 and 1962/3 when ice formed in the trough, expanding and causing the parapet wall to collapse. Public pressure saved the structure from demolition, however. Five steel braces composed of steel plates and tie bars were added to each arch as strengthening.
A good view of the aqueduct is possible from the nearby railway viaduct.
Contractors: William Broadhead, Bethel Furness and William Anderson
Research: PD
bibliography
"A Guide to the Industrial Archaeology of Greater Manchester"
by Robina McNeil and Michael Nevell
Association for Industrial Archaeology, 2000
www.canals.com
reference sources   CEH North
Location

Marple Aqueduct