Bridge over Incline Plane Tondu is a Grade II listed building in the Bridgend local planning authority area, Wales. First listed on 9 November 1998. Bridge.

Bridge over Incline Plane Tondu

WRENN ID
dreaming-frieze-onyx
Grade
II
Local Planning Authority
Bridgend
Constituency
Bridgend MP: Chris Elmore (Lab)
Country
Wales
Date first listed
9 November 1998
Type
Bridge
Address
Bridge over Incline Plane Tondu, Ynysawdre
OS grid reference
SS 892 842
Coordinates
51.54594, -3.59901
Source
Cadw listing

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

Description

The bridge over the Incline Plane in Tondu is a Grade II listed structure. It features two deep stone abutments made of snecked rockfaced stone, with mainly yellow brick dressings. The bridge has two channels for an iron bridge, of which the main part remains in place. This consists 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 approximately 45 courses high and appear to have originally had stone coping, which is now mostly missing. There is no existing parapet, and there is an angled approach wall on the right side. 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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