History in Structure

Cymmer Viaduct

A Grade II Listed Building in Cymmer, Neath Port Talbot

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Coordinates

Latitude: 51.6524 / 51°39'8"N

Longitude: -3.6524 / 3°39'8"W

OS Eastings: 285778

OS Northings: 196134

OS Grid: SS857961

Mapcode National: GBR H9.720M

Mapcode Global: VH5GQ.MQYN

Plus Code: 9C3RM82X+W2

Entry Name: Cymmer Viaduct

Listing Date: 31 July 2000

Last Amended: 31 July 2000

Grade: II

Source: Cadw

Source ID: 23843

Building Class: Communications

ID on this website: 300023843

Location: Spanning the Afan river approximately 0.5km WNW of the centre of Cymmer.

County: Neath Port Talbot

Community: Glyncorrwg

Community: Glyncorrwg

Locality: Cymmer

Built-Up Area: Cymmer

Traditional County: Glamorgan

Tagged with: Viaduct Railway viaduct

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Cymmer

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.

Reasons for Listing

Listed as a good early example of a lattice-girder viaduct, of a type later commonly employed to span the South Wales valleys.

External Links

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

Other nearby listed buildings

  • II Cymmer Bridge
    Spanning the Afan river approximately 300m NW of the centre of Cymmer, and carrying an unclassified road from Cymmer to Abercregan and Glyncorrwg.
  • II Hebron Chapel
    Prominently sited on high ground at the N end of Cymmer overlooking Avon Street and the river Afan to the S.
  • II Croeserw Viaduct
    Spanning the Afan river approximately 200m E of the centre of Cymmer.
  • II 1 Gelli Houses, Gelli
    Approximately 1.1km E of Cymmer and set back from the A4107.
  • II 2 Gelli Houses, Gelli
    Approximately 1.1km E of Cymmer and set back from the A4107.
  • II 3 Gelli Houses, Gelli
    Approximately 1.1km E of Cymmer and set back from the A4107.
  • II 4 Gelli Houses, Gelli
    Approximately 1.1km E of Cymmer and set back from the A4107.
  • II 5 Gelli Houses, Gelli
    Approximately 1.1km E of Cymmer and set back from the A4107.

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