Road bridge near former Pontsarn Station is a Grade II listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 June 2003. Road bridge.
Road bridge near former Pontsarn Station
- WRENN ID
- keen-granite-wren
- Grade
- II
- Local Planning Authority
- Brecon Beacons National Park
- Constituency
- Merthyr Tydfil and Aberdare MP: Gerald Jones (Lab)
- Country
- Wales
- Date first listed
- 16 June 2003
- Type
- Road bridge
- Address
- Road bridge near former Pontsarn Station, Merthyr Tydfil, Vaynor
- OS grid reference
- SO 044 098
- Coordinates
- 51.77947, -3.38643
- Source
- Cadw listing
Description
The road bridge near the former Pontsarn Station is a notable structure featuring rock-faced grey stone abutments and a single elliptical arch with a span of 7.9 meters. The arch is constructed with stone voussoirs positioned between battered piers. Above the parapets, which are supported by a string course of large stones, there is a raised band that steps forward over the piers. The bridge has rock-faced stone coping and a roadway that is approximately 6 meters wide, with no footpath. The soffit is made of evenly sized stones laid in parallel courses.
Local climate
Road bridge near former Pontsarn Station sits in one of the wettest parts of the UK, with an average of 1,270 mm of rain a year. This makes it wetter than 94% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 85% 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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- 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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