Bridge 122 over the Montgomeryshire Canal is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 29 February 1996. House.

Bridge 122 over the Montgomeryshire Canal

WRENN ID
vacant-timber-shade
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
29 February 1996
Type
House
Address
Bridge 122 over the Montgomeryshire Canal, Belan, Welshpool
OS grid reference
SJ 209 044
Coordinates
52.63226, -3.16927
Source
Cadw listing

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

Description

Bridge 122 over the Montgomeryshire Canal is a structure built between 1794 and 1797 as part of the canal's original engineering by John and Thomas Dadford. The bridge is constructed of brick with stone copings on the parapet, which has been partially rebuilt on the southeast side. It features a single arched span with slightly curving abutments that end in simple piers. The arch is made of voussoirs and has an advanced brick 'keystone', along with a plain string course that marks the base of the parapet. This bridge is included as part of the original engineering of the Montgomeryshire Canal and maintains its original character despite later repair work.

Local climate

Bridge 122 over the Montgomeryshire Canal receives an average of 900 mm of rain a year. This makes it wetter than 67% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 58% of listed buildings.

It experiences an average of 42 freeze-thaw cycles a year, more than 81% of listed buildings. Of these, 23 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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