History in Structure

This site is entirely user-supported. See how you can help.

Porthkerry Viaduct (partly in the Barry community)

A Grade II Listed Building in Rhoose, Vale of Glamorgan

More Photos »
Approximate Location Map
Large Map »


Latitude: 51.3931 / 51°23'35"N

Longitude: -3.3184 / 3°19'6"W

OS Eastings: 308365

OS Northings: 166829

OS Grid: ST083668

Mapcode National: GBR HR.RG0J

Mapcode Global: VH6FQ.F7JX

Plus Code: 9C3R9MVJ+6J

Entry Name: Porthkerry Viaduct (partly in the Barry community)

Listing Date: 28 January 1963

Last Amended: 30 September 2004

Grade: II

Source: Cadw

Source ID: 83158

Building Class: Transport

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

County: Vale of Glamorgan

Town: Barry

Community: Barry (Y Barri)

Community: Rhoose

Locality: Porthkerry

Traditional County: Glamorgan

Find accommodation in


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.

Reasons for Listing

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

Recommended Books

Other nearby listed buildings

BritishListedBuildings.co.uk is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact BritishListedBuildings.co.uk for any queries related to any individual listed building, planning permission related to listed buildings or the listing process itself.

British Listed Buildings is a Good Stuff website.