Pont y Gaseg

Bethesda, Gwynedd, Wales

A Grade II listed building in Bethesda, Bangor, Gwynedd, designated on 25 April 1997.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of Pont y Gaseg, Bethesda, 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: 25 April 1997
Locality: Bethesda
Town: Bangor
Community: Bethesda
Unitary authority: Gwynedd
Country: Wales
Coordinates: 53.17509, -4.05698
Cadw reference: 18380

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 1896 map "Sheet 7. Ordnance Survey of England and Wales." (David Rumsey Map Collection, Stanford Libraries).

Historical maps covering this location

1896 · Sheet 7. Ordnance Survey of England and Wales. (David Rumsey Map Collection, Stanford Libraries)
1899 · 106 Bangor (Hills) (David Rumsey Map Collection, Stanford Libraries)
1899 · 106 Bangor (Outline) (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)

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This record in Cadw's own full report ↗

Cadw's description

Location

Situated some 500m S of centre of Bethesda, S of R.C. church.

History

Early C19 road bridge carrying Thomas Telford's Holyhead road over the River Caseg. Marked on 1889 O.S. as 'Pont y Gaseg or Pont Aberogwen'.

Exterior

Rubble stone single arched road bridge. Broad elliptical arch with squared stone voussoirs, string course above, and two raking buttresses each side. String course broken forward over outer buttresses. Rubble stone W parapet with slate edge-on coping. Bridge has been widened on E side with flat concrete span, but not altering bridge structure except for loss of E parapet.

Reason for designation

Handsome single span road bridge, possibly designed by Thomas Telford as part of the Holyhead road.

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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