Pont y Wern (partly in Llanbedr Dyffryn Clwyd community) is a Grade II listed building in the Denbighshire local planning authority area, Wales. First listed on 24 June 1999. Bridge.

Pont y Wern (partly in Llanbedr Dyffryn Clwyd community)

WRENN ID
cold-barrel-moon
Grade
II
Local Planning Authority
Denbighshire
Constituency
Clwyd East MP: Becky Gittins (Lab)
Country
Wales
Date first listed
24 June 1999
Type
Bridge
Address
Pont y Wern (partly in Llanbedr Dyffryn Clwyd community), Ruthin Rural, Ruthin
OS grid reference
SJ 130 599
Coordinates
53.12961, -3.30169
Source
Cadw listing

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

Description

Pont y Wern is a single-span road bridge constructed from local limestone rubble. It features a segmental arch made of rough-dressed voussoirs that are slightly recessed below the arch rings, which are made of narrow stones. The carriageway has a noticeable hump at the center, and the rubble parapets follow this incline. At the approaches, the parapets are splayed out and end in square piers. The bridge has sandstone slab copings that are secured with metal ties and display various incised graffiti, with the earliest date recorded as 1880.

Local climate

Pont y Wern (partly in Llanbedr Dyffryn Clwyd community) sits in a wetter-than-average part of the UK, with an average of 960 mm of rain a year. This makes it wetter than 75% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 60% of listed buildings.

It experiences an average of 38 freeze-thaw cycles a year, more than 72% of listed buildings. Of these, 21 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.

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