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

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

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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  • Detailed attributes — period, style, materials, features
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Nearby listed buildings

  1. Pontsarn Railway Viaduct (also in Pant Community) Grade II* 88 m
  2. Pontsarn Railway Viaduct (also in Vaynor) Grade II* 92 m
  3. Pont-sarn Grade II 156 m
  4. Pont-Sarn Grade II 158 m
  5. Hy Brasail Grade II 381 m
  6. Tower of Old Church of St Gwynno Grade II 546 m
  7. Gravestone of Robert Thompson Crawshay and surrounding railings Grade II 625 m
  8. Fingerpost near Church of St Gwynno Grade II 840 m
  9. Blaenygarth Grade II 1.6 km
  10. Church of St John the Baptist Grade II 2.2 km