Bridge over Nant Gwylan is a Grade II listed building in the Ceredigion local planning authority area, Wales. First listed on 4 June 1996. A Victorian Bridge.

Bridge over Nant Gwylan

WRENN ID
ragged-footing-curlew
Grade
II
Local Planning Authority
Ceredigion
Constituency
Ceredigion Preseli MP: Ben Lake (PC)
Country
Wales
Date first listed
4 June 1996
Type
Bridge
Address
Bridge over Nant Gwylan, Aberbanc, Llandyfriog
OS grid reference
SN 355 419
Coordinates
52.05142, -4.40034
Source
Cadw listing

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

Description

The bridge over Nant Gwylan is a Grade II listed structure built from rubble. It features a single elliptical arch that is recessed and has a keystone. The long parapet walls are finished with stepped buttresses, which are topped with moulded stone copings that rise above the level of the parapet. In the center of the inside west wall, there is a square recess that contains a shield-shaped stone tablet inscribed with the words: "YMDEITHYDD CLYW YR HYN ADDYWED Y BON TRWY UNDEBYCYFOELHOG ARTLAWDYR. ADEILADWYD FI UNDEBSYDD NERTH 1857".

Local climate

Bridge over Nant Gwylan sits in a wetter-than-average part of the UK, with an average of 1,150 mm of rain a year. This makes it wetter than 89% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 24 freeze-thaw cycles a year, fewer than 74% of listed buildings. Of these, 11 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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