Barn Bridge ( Canal Bridge no 89 ) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 15 March 1996. Canal bridge.

Barn Bridge ( Canal Bridge no 89 )

WRENN ID
plain-wall-saffron
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 March 1996
Type
Canal bridge
Address
Barn Bridge ( Canal Bridge no 89 ), Llanellen, Llanfoist Fawr, Monmouthshire
OS grid reference
SO 300 098
Coordinates
51.78283, -3.01551
Source
Cadw listing

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

Description

Barn Bridge, also known as Canal Bridge No 89, was built between 1809 and 1812 as part of the section of the Brecknock and Abergavenny Canal engineered by William Crosley. This rubble canal bridge is notable for its unusual uncoursed stonework and spans the canal and tow-path to the east. It features a segmental arch with a keystone, and the parapet curves around at the downhill end. The bridge is recognized for its special interest as one of the few surviving early 19th-century bridges of the Brecknock and Abergavenny Canal.

Local climate

Barn Bridge ( Canal Bridge no 89 ) receives an average of 960 mm of rain a year. This makes it wetter than 74% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 45 freeze-thaw cycles a year, more than 86% 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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  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
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