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Cof Cymru: National Historic Assets of Wales · Wales

The 'Stepped' Bridge to Britannia Park.

Pentir, Gwynedd, Wales

A Grade II listed building in Treborth, Bangor, Pentir, Gwynedd, designated on 22 September 1997.

Ordnance Survey six-inch map, 2nd edition (1888–1913) covering the location of The 'Stepped' Bridge to Britannia Park, Pentir, 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
22 September 1997
Locality
Treborth
Town
Bangor
Community
Pentir
Unitary authority
Gwynedd
Country
Wales
Coordinates
53.19967, -4.11611
Cadw reference
18916

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

The bridge carries the driveway between Britannia Park and Treborth Hall over the Chester to Holyhead Railway.

The bridge was constructed at the instigation of Richard Davies, MP, shortly after the opening of the Chester to Holyhead Railway in 1850, to link his residence, Treborth Hall, with Britannia Park and the Suspension Bridge. The design suggests that Davies engaged the services of a railwayman, perhaps their architect, Francis Thompson.

Built of rock-faced coursed stone, with freestone dressings. The bridge carries a driveway across the railway cutting, where the 2 sides are of very different height, necessitating a stepping down to the N of 5 segmental arches set on battered piers. The freestone voussoirs are chamfered, and the ashlar parapet is arcaded between terminal piers which are carried down as pilasters. The arcade, mounted on a moulded string, has rectangular openings and the coping is moulded and chamfered. The parapet is splayed on to abutments at each end.

Included as an impressive and unusual design on a large scale for a railway bridge reflecting the special circumstances of its siting.

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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