Bridge No. 66 is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 18 July 2001. Bridge.

Bridge No. 66

WRENN ID
muted-chalk-mint
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
18 July 2001
Type
Bridge
Address
Bridge No. 66, Monmouthshire and Brecon Canal, Pontypool, Goetre Fawr
OS grid reference
SO 308 041
Coordinates
51.73145, -3.00248
Source
Cadw listing

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

Description

Bridge No. 66 is an accommodation and access bridge built over the Monmouthshire and Brecon Canal, positioned at a slight angle. It features a semi-elliptical arch made of voussoirs, constructed from squared, faced, and coursed local sandstone. The bridge has a parapet with slab coping and curving abutments. The bridge number is displayed on the south face of the arch. A towpath runs beneath the bridge arch on the east side. Additionally, there is a sign at the east end of the bridge from the London and North Western Railway stating "No locomotives."

Local climate

Bridge No. 66 receives an average of 940 mm of rain a year. This makes it wetter than 73% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 72% of listed buildings.

It experiences an average of 41 freeze-thaw cycles a year, more than 79% of listed buildings. Of these, 19 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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  • No EPC on record for this property
  • No sale records on file
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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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