Bridge at Plas-y-bryn

Bontnewydd, Gwynedd, Wales

A Grade II listed building in Bontnewydd, Caernarfon, Gwynedd, designated on 29 July 1997.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Bridge at Plas-y-bryn, Bontnewydd, Gwynedd, 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: 29 July 1997
Locality: Bontnewydd
Town: Caernarfon
Community: Bontnewydd
Unitary authority: Gwynedd
Country: Wales
Coordinates: 53.11312, -4.26305
Cadw reference: 18617

TodayHistorical map

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 1883 map "Watershed map England, Wales 3." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

1883 · Watershed map England, Wales 3. (David Rumsey Map Collection, Stanford Libraries)
1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
1899 · 105 Carnarvon (Hills) (David Rumsey Map Collection, Stanford Libraries)
1901 · Sheet 9 and 10. (David Rumsey Map Collection, Stanford Libraries)
1919 · Sheet 41. Anglesey. (David Rumsey Map Collection, Stanford Libraries)

Get directions ↗

This record in Cadw's own full report ↗

Cadw's description

Location

The bridge carries the road to Plas-y-Bryn over the Afon Gwyrfai some 400m E of the A487, SE of the centre of Bontnewydd.

History

Later C19 road bridge over Afon Gwyrfai carrying minor road to Plas-y-Bryn. Very similar to railway bridge W of Bontnewydd.

Exterior

Rubble stone with red brick arches. Two broad segmental arches, with 4 courses of brick to arch-rings, raised high on centre pier and side abutments. Rubble stone flat parapets.

Reason for designation

A dramatic masonry bridge, the scale reminiscent of railway structures.

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

All Transport in Gwynedd All Unitary authority Gwynedd records All Wales Heritage registers Historical markers (US)National Register of Historic Places (US)

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