Cefn Mably Bridge is a Grade II listed building in the Newport local planning authority area, Wales. First listed on 23 September 1996. Bridge.

Cefn Mably Bridge

WRENN ID
hidden-niche-hyssop
Grade
II
Local Planning Authority
Newport
Constituency
Newport West and Islwyn MP: Ruth Jones (Lab)
Country
Wales
Date first listed
23 September 1996
Type
Bridge
Address
Cefn Mably Bridge, Michaelstone Y Fedw, Michaelstone-Y-Fedw
OS grid reference
ST 230 844
Coordinates
51.55326, -3.11119
Source
Cadw listing

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

Description

Cefn Mably Bridge is likely an early to mid 19th-century bridge featuring twin arches and a single carriageway, designed in a 17th-century vernacular style. It is built from coursed rubblestone and has two voussoired arches, which include central refuges for pedestrians. The bridge is topped with rough hewn coping stones and has a stringcourse located beneath the parapet.

Local climate

Cefn Mably Bridge sits in a wetter-than-average part of the UK, with an average of 1,000 mm of rain a year. This makes it wetter than 80% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 77% of listed buildings.

It experiences an average of 33 freeze-thaw cycles a year, fewer than 56% of listed buildings. Of these, 13 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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  • 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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Nearby listed buildings

  1. Cefn Mably Bridge (also known as Cefn Llwyd Bridge), (partly in Michaelston-y-Fedw Community) Grade II 12 m
  2. Terraces and ornamental structures to SE of Cefn Mably Grade II 737 m
  3. Cefn Mably Grade II 790 m
  4. Walls of former kitchen garden at Cefn Mably Grade II 1.0 km
  5. Parish Church of St Michael Grade II* 1.0 km
  6. The Old Rectory Grade II 1.1 km
  7. Michaelstone Bridge Grade II 1.6 km
  8. Michaelston Bridge (partly in Michaelston-y-Fedw Community) Grade II 1.6 km
  9. St Julian's Manor Grade II 1.7 km
  10. 'New Mansion' at Ruperra Home Farm Grade II 2.0 km