Coombes Lock Bridge (Canal Bridge No 134) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 28 August 1998. Bridge.

Coombes Lock Bridge (Canal Bridge No 134)

WRENN ID
old-gutter-yew
Grade
II
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
28 August 1998
Type
Bridge
Address
Coombes Lock Bridge (Canal Bridge No 134), Cwm Crawnon, Llangynidr, Powys
OS grid reference
SO 143 198
Coordinates
51.87079, -3.24536
Source
Cadw listing

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

Description

Coombes Lock Bridge, also known as Canal Bridge No 134, is a hump-backed bridge made of rubble sandstone. It features a round arch with thin voussoirs and keystones. The abutments curve outwards on both sides, and the bridge has a low parapet with square end piers. On the eastern side, there is a cast iron plaque displaying the bridge number in relief.

Local climate

Coombes Lock Bridge (Canal Bridge No 134) sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 74% of listed buildings.

It experiences an average of 54 freeze-thaw cycles a year, more than 94% of listed buildings. Of these, 30 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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Nearby listed buildings

  1. Limekiln at Monmouthshire and Brecon Canal Sanitary Station Grade II 27 m
  2. Lock No 65 Grade II 79 m
  3. Embanked Aqueduct carrying Monmouthshire and Brecon Canal over Afon Crawnon Grade II 133 m
  4. Lock No 66 Grade II 324 m
  5. Lower Lock Bridge (Canal Bridge No 132), including Lock No 64 Grade II 370 m
  6. Lock No 67 Grade II 455 m
  7. Lock No 68 Grade II 513 m
  8. Tofs Lock Bridge (Canal Bridge No 135) Grade II 639 m
  9. Bank of Limekilns beside Monmouthshire and Brecon Canal east of Bridge No 131 Grade II 909 m
  10. Workhouse Bridge (Canal Bridge No 136) Grade II 936 m