Bridge over the Black Brook is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 3 December 1996. Bridge.

Bridge over the Black Brook

WRENN ID
eternal-spire-rook
Grade
II
Local Planning Authority
Wrexham
Constituency
Wrexham MP: Andrew Ranger (Lab)
Country
Wales
Date first listed
3 December 1996
Type
Bridge
Address
Bridge over the Black Brook, Erddig, Marchwiel
OS grid reference
SJ 325 485
Coordinates
53.03, -3.00731
Source
Cadw listing

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

Description

The bridge over the Black Brook is a single span structure made of coursed sandstone ashlar, featuring a parapet and retaining walls. The retaining walls are splayed at a wide angle and include short returns. The bridge has a gentle arch with a central corbel in the stepped arch on each side. On the eastern face, the date 1718 is inscribed on the stone above the corbel.

Local climate

Bridge over the Black Brook receives an average of 850 mm of rain a year. This makes it wetter than 59% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 92% of listed buildings.

It experiences an average of 37 freeze-thaw cycles a year, more than 70% of listed buildings. Of these, 20 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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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