Rhydycar Canal Bridge is a Grade II listed building in the Merthyr Tydfil local planning authority area, Wales. First listed on 17 February 1995. School.

Rhydycar Canal Bridge

WRENN ID
lapsed-panel-heath
Grade
II
Local Planning Authority
Merthyr Tydfil
Constituency
Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
Country
Wales
Date first listed
17 February 1995
Type
School
Address
Rhydycar Canal Bridge, Cyfarthfa
OS grid reference
SO 047 057
Coordinates
51.742, -3.38151
Source
Cadw listing

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

Description

Rhydycar Canal Bridge is a canal bridge made of coursed rubble sandstone that spans a deep cutting. It features a central elliptical arch with dressed voussoirs, standing approximately 6.7 meters high at the center and having a span of 5.5 meters. The bridge has wing walls that support the sides of the cutting at a 45-degree angle to the crossing. On the east side, there is a smaller arch with a span of about 0.9 meters, which is positioned at a higher level and appears to have been added later, likely in the early 19th century.

Local climate

Rhydycar Canal Bridge sits in one of the wettest parts of the UK, with an average of 1,210 mm of rain a year. This makes it wetter than 92% 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 44 freeze-thaw cycles a year, more than 85% of listed buildings. Of these, 22 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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