Full Report for Listed Buildings
Summary Description of a Listed Buildings
Reference Number
11484
Building Number
Grade
II*
Status
Designated
Date of Designation
22/08/1975
Date of Amendment
11/03/2003
Name of Property
Pontsarn Railway Viaduct (also in Vaynor)
Address
Location
Unitary Authority
Merthyr Tydfil
Community
Pant
Town
Locality
Pontsarn
Easting
304538
Northing
209919
Street Side
Location
Crossing the Afon Taf Fechan just N of Pontsarn and some 600m NW of the remains of Morlais Castle.
Description
Broad Class
Transport
Period
History
Railway viaduct, built 1866 by Henry Conybeare and Alexander Sutherland for Savin and Ward. The viaduct carried the former Brecon and Merthyr Railway high over the Afon Taff Fechan and was built of limestone from railway cuttings. The viaduct was designed for double-line working but a single track only was installed, on the N side. In deteriorating condition at time of survey.
Exterior
Railway viaduct of 7 arches; abutments, tall slender piers and parapets of coursed irregular sized rock-faced limestone blocks and seven segmental arches with limestone voussoirs . The piers have a projecting impost band and a projecting string course below the parapets. The viaduct is built on a straight line some 138m long and has a maximum height of approximately 28m.
Interior
Reason for designation
Included at II* as an historically important and architecturally impressive railway viaduct. Part of the same railway engineering project as the Cefn Coed viaduct (also Grade II*).
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