Bridge over Incline Plane Tondu is a Grade II listed building in the Bridgend local planning authority area, Wales. First listed on 13 November 1997. Bridge.

Bridge over Incline Plane Tondu

WRENN ID
riven-trefoil-twilight
Grade
II
Local Planning Authority
Bridgend
Constituency
Bridgend MP: Chris Elmore (Lab)
Country
Wales
Date first listed
13 November 1997
Type
Bridge
Address
Bridge over Incline Plane Tondu, Newcastle Higher
OS grid reference
SS 892 842
Coordinates
51.54589, -3.59908
Source
Cadw listing

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

Description

The bridge over the Incline Plane at Tondu is a Grade II listed structure. It features two deep stone abutments made of snecked rockfaced stone, with mainly yellow brick dressings. There are two channels for the iron bridge, which still has its main section in place, consisting of six plated panels resting on an ashlar padstone. The rear abutments are angled to match the gradient on the uphill side, while the front abutments rise about 45 courses high and appear to have once had stone coping, which is now mostly missing. There is no remaining parapet, and an angled approach wall is located to the right. The bridge is currently neglected and covered in ivy, but it still serves as a pathway.

Local climate

Bridge over Incline Plane Tondu sits in one of the wettest parts of the UK, with an average of 1,190 mm of rain a year. This makes it wetter than 91% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 18 freeze-thaw cycles a year, fewer than 83% of listed buildings. Of these, 6 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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