Castle Lower Bridge (Canal Bridge No 94) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 15 March 1996. Dwelling.

Castle Lower Bridge (Canal Bridge No 94)

WRENN ID
proud-groin-sunrise
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Monmouthshire MP: Catherine Fookes (Lab)
Country
Wales
Date first listed
15 March 1996
Type
Dwelling
Address
Castle Lower Bridge (Canal Bridge No 94), Llanfoist, Llanfoist Fawr, Monmouthshire
OS grid reference
SO 291 119
Coordinates
51.80203, -3.02825
Source
Cadw listing

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

Description

Castle Lower Bridge, also known as Canal Bridge No 94, was built between 1809 and 1812 by William Crosley. It is a semicircular-arched canal bridge made of coursed rubble, featuring standard design elements such as voussoirs, swept out parapets, and small ramped buttresses at each end.

Local climate

Castle Lower Bridge (Canal Bridge No 94) 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
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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Nearby listed buildings

  1. Castell Prydydd Grade II 208 m
  2. Embanked Aqueduct to south-east of Canal Bridge No 94 Grade II 287 m
  3. Castle Upper Bridge (Canal Bridge No 95) Grade II 309 m
  4. Richards Farm Bridge ( Canal Bridge no 93 ) Grade II 517 m
  5. Attached Canal-side Building to Richards Farm Bridge Grade II 522 m
  6. Grove Farm House Grade II* 788 m
  7. Heol Gerrig Bridge ( Canal Bridge no 92 ) Grade II 1.1 km
  8. Bridge over Canal at Llanfoist Wharf Grade II 1.2 km
  9. Canal Wharf at Boathouse Cottage Grade II 1.2 km
  10. Boathouse Cottage Grade II 1.2 km