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Cof Cymru: National Historic Assets of Wales · Wales

Pont y Forwyn

Llansantffraid, Powys, Wales

A Grade II listed building in Llansantffraid-ym-Mechain village, Llansantffraid, Powys, designated on 2 March 2004.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont y Forwyn, Llansantffraid, Powys, 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
Transport
Date of designation
2 March 2004
Locality
Llansantffraid-ym-Mechain village
Community
Llansantffraid
Unitary authority
Powys
Country
Wales
Coordinates
52.77602, -3.17405
Cadw reference
82582

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 1795 map "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

Historical maps covering this location

  • 1795 · To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most… (Llyfrgell Genedlaethol Cymru – The National Library of Wales)
  • 1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
  • 1897 · 137 Oswestry (Hills) (David Rumsey Map Collection, Stanford Libraries)
  • 1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
  • 1916 · Sheet 60. Shrewsbury. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Carrying the B4393 over the Afon Cain.

Probably early C19. As an important bridge Pont y Forwyn may predate the era of County bridges; but it has the type of parapet typical of the work of the County Surveyor, Thomas Penson, from c.1821.

A single arch bridge of segmental form with a span of about 10 m., in local shaley stone. Plain voussoirs without differentiation of the keystone. Simple string course at the base of the parapets.

The carriageway is about 6 m wide between narrow orthostat parapets. These are slightly tapering with a top chamfer. Slight pier at each corner.

An important bridge of good early C19 character.

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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