Full Report for Listed Buildings
Summary Description of a Listed Buildings
Reference Number
11199
Building Number
Grade
II
Status
Designated
Date of Designation
26/10/1979
Date of Amendment
13/03/2003
Name of Property
Upper Clydach Aqueduct and Overflow on Swansea Canal
Address
Location
Unitary Authority
Neath Port Talbot
Community
Pontardawe
Town
Locality
Easting
272118
Northing
203939
Street Side
Location
Description
Broad Class
Water Supply and Drainage
Period
History
Late C18 aqueduct carrying Swansea Canal built 1794-99 over the Upper Clydach river, one of six single arch bridges on the canal. On canal N of aqueduct is a feeder entry from river, the feeder once flowed into a town loading dock to the N.
Exterior
Canal aqueduct over river, rubble stone segmental arch with voussoirs, of c. 7.5 m span and about 1.7 m height, with 2 overflows on NW side. Parapet of squared stone with copper-slag copings on SE side retaining flanking buttresses but with patching in blue and red bricks and cement block on N half of face. C20 railing between footpath and canal. NW side partly encroached by later bank revetment walls and with brick patching, but retaining 2-bay overflow chamber in working order with stop planks and added footbridge over.
Interior
Reason for designation
Included as a major feature of one of the most important canals in Wales.
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