Road bridge at The Bont is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 19 November 1998. Bridge.
Road bridge at The Bont
- WRENN ID
- western-sandstone-rain
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
- Country
- Wales
- Date first listed
- 19 November 1998
- Type
- Bridge
- Address
- Road bridge at The Bont, Grwyne Fechan, the Vale of Grwyney, Powys
- OS grid reference
- SO 240 225
- Coordinates
- 51.89668, -3.10545
- Source
- Cadw listing
Description
The road bridge at The Bont is a 19th-century single-carriageway structure built of coursed rubble with hammer-dressed quoins. It features a segmental arch made of hammer-dressed voussoirs and a prominent keystone. Above the arch, there is a string course and a low parapet. The parapet and abutments are splayed outwards at the ends, ending in square piers on the upstream side, which have flat coping stones. The deck of the bridge is slightly ramped towards the center.
Local climate
Road bridge at The Bont sits in a wetter-than-average part of the UK, with an average of 1,020 mm of rain a year. This makes it wetter than 81% 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 50 freeze-thaw cycles a year, more than 92% of listed buildings. Of these, 27 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
- 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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