White Hart Bridge (Canal Bridge No.143) including attached retaining wall is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 17 December 1998. Bridge.
White Hart Bridge (Canal Bridge No.143) including attached retaining wall
- WRENN ID
- floating-hinge-quill
- 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
- White Hart Bridge (Canal Bridge No.143) including attached retaining wall, Talybont, Talybont-On-Usk, Powys
- OS grid reference
- SO 114 225
- Coordinates
- 51.89419, -3.28793
- Source
- Cadw listing
Description
White Hart Bridge, also known as Canal Bridge No. 143, is a hump-back bridge made of rubble sandstone. It features a segmental arch with thin voussoirs and a low parapet topped with flat coping. The abutments curve outward on both sides, and the parapet includes square end piers. On the eastern side, there is a cast iron plaque with the bridge number cast in relief at the keystone position. The towpath runs under the bridge on the northern side and has a stone kerb, while on the southern side, there is a stringcourse that is roughly at water level.
This bridge rises to the west and is reinforced with metal ribs beneath the vault. It marks the southern boundary of the Talybont Basin and is adjacent to a long retaining wall that borders the basin to the south, with a weir located below. To the west, there is an aqueduct over the Caerfanell River. The western side does not have a visible stringcourse, and there is only one pier on the northwest side, with a concrete surface.
Local climate
White Hart Bridge (Canal Bridge No.143) including attached retaining wall 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
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- Detailed attributes — period, style, materials, features
- Flood risk assessment
- Radon risk assessment
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