Bridge carrying former west drive over Afon Llifon is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 8 September 1998. Bridge.

Bridge carrying former west drive over Afon Llifon

WRENN ID
ruined-wicket-laurel
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
8 September 1998
Type
Bridge
Address
Bridge carrying former west drive over Afon Llifon, Glynllifon, Llandwrog
OS grid reference
SH 453 551
Coordinates
53.07102, -4.30972
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

This is a Grade II listed ashlar single-arched bridge that carries a level roadway over the Afon Llifon river. The bridge features a segmental arch made of voussoirs and is supported by small swept abutments on either side. The parapet of the bridge has rounded coping, although the section on the downstream side has collapsed.

Local climate

Bridge carrying former west drive over Afon Llifon sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.

It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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