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Cof Cymru: National Historic Assets of Wales · Wales

Porthkerry Railway Viaduct (partly in the Rhoose community)

Barry, Vale of Glamorgan, Wales

The record

Designation
Listed building, Grade II
Broad class
Transport
Date of designation
28 January 1963
Locality
Porthkerry
Town
Barry
Community
Barry
Unitary authority
Vale of Glamorgan
Country
Wales
Coordinates
51.39328, -3.31811
Cadw reference
83158

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1636 "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

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This record in Cadw's own full report ↗

Cadw's description

To the north of the main carpark in Porthkerry Country Park and crossing into Barry Community.

Built 1894-1900. First opened in 1897 as a part of the Vale of Glamorgan Railway from Barry to Bridgend, engineer J W Szlumper (with Charles Szlumper and William Szlumper). First completed in 1896 but parts of the viaduct subsided 10th January 1898, and the railway had to be diverted via a loop-line until 1900. This was one of the last major masonry viaducts completed in Britain. The Vale of Glamorgan became a part of the Great Western Railway at Grouping in 1923.

Coursed quarry faced grey stone with brick arch rings. Irregular spans to sixteen semi-circular arches; tall tapering stone piers, with plinths of varying height; brick arches, maximum height circa 30 metres; stone parapet with corbelled refuges over every second pier. The viaduct crosses the steep valley of the stream which forms the eastern boundary of Rhoose Community, and is partly in Barry Community.

Included as one of the most impressive railway viaducts in South Wales.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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