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Latitude: 51.6596 / 51°39'34"N
Longitude: -3.3191 / 3°19'8"W
OS Eastings: 308853
OS Northings: 196473
OS Grid: ST088964
Mapcode National: GBR HR.6MTM
Mapcode Global: VH6DC.FK52
Plus Code: 9C3RMM5J+V9
Entry Name: Quakers Yard Railway Viaduct
Listing Date: 4 January 1988
Last Amended: 20 February 2003
Grade: II*
Source: Cadw
Source ID: 11514
Building Class: Transport
ID on this website: 300011514
Location: Crossing the Afon Taf just S of Edwardsville.
County: Merthyr Tydfil
Town: Merthyr Tydfil
Community: Treharris
Community: Treharris
Locality: Quakers Yard
Built-Up Area: Treharris
Traditional County: Glamorgan
Tagged with: Railway viaduct
Railway bridge over the Afon Taf of 1840-1 by I K Brunel built for the Taff Vale Railway, opened April 1841, doubled in width before 1861. A remarkable early railway bridge of massive construction with octagonal piers necessitating deep chamfers to the arches. The viaduct crosses the line of the Penydarren tramroad on the N side of the river.
Railway viaduct over the Afon Taf. Very tall slightly curving viaduct of 6 arches, the original viaduct upstream and only visible from N. Massive rock-faced squared masonry and highly modelled octagonal piers, the rock-facing tooled at edges, banded 3 times with broad 3-course bands of tooled masonry, and the capitals of 6 stepped courses of rock-faced stone. Remarkable arches deeply splayed at edges, the splays in tooled stone as also the arch soffits. Rockfaced stone in spandrels, big coved string course in tooled stone and rock-faced stone parapets with ashlar copings. Splayed out ends to abutments.
Addition of matching scale is simpler, having regular piers, caps in 2 courses, arches with rock-faced stone voussoirs and vermiculated keystones. Coved string course breaks forward over keystones.
Graded II* as one of the most remarkable bridges by Brunel to survive in Wales.
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