Chilson Bridge (Canal Bridge No.146) is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Bridge.
Chilson Bridge (Canal Bridge No.146)
- WRENN ID
- quiet-ember-moon
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 17 December 1998
- Type
- Bridge
- Address
- Chilson Bridge (Canal Bridge No.146), Talybont on Usk, Talybont-On-Usk, Powys
- OS grid reference
- SO 112 232
- Coordinates
- 51.90039, -3.29122
- Source
- Cadw listing
Description
Chilson Bridge, also known as Canal Bridge No. 146, is a hump-back bridge made of rubble sandstone. It features a segmental arch with thin voussoirs and a low parapet that has flat coping. The abutments curve outwards on both sides, and the parapet is finished with square end piers. On the eastern side, there is a cast iron plaque displaying the bridge number, which is cast in relief at the keystone position. The towpath runs beneath the bridge on the northern side and includes a stone kerb, while on the southern side, there is a stringcourse that is roughly at water level. The bridge also carries a drive to Gilestone and has a lozenge-shaped cast iron weight restriction sign.
Local climate
Chilson Bridge (Canal Bridge No.146) sits in one of the wettest parts of the UK, with an average of 1,180 mm of rain a year. This makes it wetter than 90% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 78% of listed buildings.
It experiences an average of 57 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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.
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- No EPC on record for this property
- No sale records on file
- No related consent applications matched
- 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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