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
23843
Building Number
Grade
II
Status
Designated
Date of Designation
31/07/2000
Date of Amendment
31/07/2000
Name of Property
Cymmer Viaduct
Address
Location
Unitary Authority
Neath Port Talbot
Community
Glyncorrwg
Town
Locality
Cymmer
Easting
285778
Northing
196134
Street Side
Location
Spanning the Afan river approximately 0.5km WNW of the centre of Cymmer.
Description
Broad Class
Communications
Period
History
Opened in 1878 and built by the Great Western Railway to link the South Wales Mineral Railway (which ran from the Glyncorrwg collieries to Briton Ferry) with the same company's Bridgend-Abergwynfi line. The piers are of locally quarried stone and are shown in the process of erection on the first edition Ordnance Survey. The line closed in 1970.
Exterior
A wrought-iron lattice-girder viaduct aligned roughly N-S and with a slightly curved deck. The main abutments are of coursed rock-faced stone, and comprise a round arch with keystone, above which is a string course and coped parapet. The arches are flanked by round turrets that are carried up the full height of the parapets. On the N side the parapets curve outwards and terminate in square piers. On the S side is a further abutment that carried a second girder bridge over the adjacent former Rhondda and Swansea Bay Railway (now the Afan Valley Cycle Way).
The lattice girders are carried on 3 tapering rectangular piers of rock-face stone and moulded copings. The girders are constructed in 4 straight sections and retain some timber cross members on the deck.
Interior
Reason for designation
Listed as a good early example of a lattice-girder viaduct, of a type later commonly employed to span the South Wales valleys.
Cadw : Full Report for Listed Buildings [ Records 1 of 1 ]
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