Full Report for Listed Buildings
The list description is not intended to be a complete inventory of what is listed: it is principally intended to aid identification. By law, the definition of a listed building includes the entire building (i) and any structure or object that is fixed to the said building and ancillary to it and (ii) any other structure or object that forms part of the land and has done so since before 1 July 1948, and was within the curtilage of the building, and ancillary to it, on the date on which said building was first included in the list, or on 1 January 1969, whichever was later.
Summary Description
Reference Number
14206
Building Number
Grade
II*
Status
Designated
Date of Designation
05/04/1993
Date of Amendment
05/04/1993
Name of Property
Aqueduct carrying Montgomeryshire Canal over River Vyrnwy
Address
Location
Unitary Authority
Powys
Community
Carreghofa
Town
Locality
Lies partly in Llandysilio Community Area
Easting
325406
Northing
319635
Street Side
Location
Aqueduct parallel to B4398 road bridge over the River Vyrnwy; links the embanked canal from the north to the higher south side of the river at Newbridge.
Description
Broad Class
Water Supply and Drainage
Period
History
Designed by John Dadford, canal engineer of Cardiff, between 1794-6 and built by J Simpson and W Haseldine of Shrewsbury; immediate collapse of one arch was followed by a series of repairs completed by George Buck, engineer, from c1820. Handrail added 1828. Further major repairs in 1891 and 1971.
Exterior
Long five-arch masonry structure of squared blocks with capping bands, rusticated segmental archrings with keystones and rusticated soffits. V-shaped stepped cutwaters with almond profile and domed cappings. Lines of oval brace-plates to tie-rods through haunches of arches. Centre arch and outer north arch have cradles of fish-bellied cast iron girders with tie-rods though haunches and exposed rods under soffits. Outer masonry ends are checked forward with curving abutments descending to end at square piers about river banks.
Three tapering stone piers with cappings on towpath side of aqueduct with ironwork handrail set in stone seatings. Large masonry edges to narrow length of canal contained by puddled clay etc.
Interior
Reason for designation
Graded II* as the finest individual structure on the Montgomeryshire Canal. Historically interesting as an example from the last generation of clay-lined aqueducts.
Cadw : Full Report for Listed Buildings [ Records 1 of 1 ]
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