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Cof Cymru: National Historic Assets of Wales · Wales

Pontygwaith Overbridge

Treharris, Merthyr Tydfil, Wales

A Grade II listed building in Pontygwaith, Merthyr Tydfil, Treharris, designated on 20 February 2003.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pontygwaith Overbridge, Treharris, Merthyr Tydfil, with a pin at the register's coordinates
Ordnance Survey six-inch map, 2nd edition (1888–1913), covering this location. Courtesy of the National Library of Scotland. The pin is ours, placed from the register's coordinates.

The record

Designation
Listed building, Grade II
Broad class
No class recorded
Date of designation
20 February 2003
Date of amendment
5 April 2016
Locality
Pontygwaith
Town
Merthyr Tydfil
Community
Treharris
Unitary authority
Merthyr Tydfil
Country
Wales
Coordinates
51.67104, -3.33045
Cadw reference
80908

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

David Rumsey Map Collection, Stanford Libraries

5 historical maps cover this location, the earliest the 1636 map "Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ..." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

  • 1636 · Cornubia : Devonia, Somersetus, Dorcestria, Wiltonia, Glocestria ... (David Rumsey Map Collection, Stanford Libraries)
  • 1637 · The fourth table of England. Cornub. Devonia, Somerset etc. (David Rumsey Map Collection, Stanford Libraries)
  • 1865 · England and Wales. England No. 6. (David Rumsey Map Collection, Stanford Libraries)
  • 1895 · Sheet 11. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
  • 1963 · Map No. 13 - Local Government Commission for Wales : [Definitive maps showing proposed… (National Library of Scotland)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Reached down a steep by-road from the old Cardiff to Merthyr road; by-road crosses the former Taff Vale Railway just before the overbridge.

Overbridge carrying the track to Pont y Gwaith over the Penydarren tramroad, said to be mid C19 as crossing a diversion on the tramroad. The bridge immediately adjoins the bridge over the Taff Vale railway opened in 1841 and may have been rebuilt to accommodate the altered roadway. Restored as part of the Trevithick 2004 Project.

Road bridge over former tramroad, abutting railway bridge. Rubble stone, tall narrow arch with stone voussoirs and rubble stone, the parapets sloping up with roadway to abut railway bridge parapets.

Included for its special interest as a stone overbridge over the Penydarren tramroad, a nationally important feature in the history of iron production and railway development in Wales. Group value with the adjacent railway bridge.

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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