Morfa Bridge is a Grade II listed building in the Swansea local planning authority area, Wales. First listed on 22 October 2003. Bridge.

Morfa Bridge

WRENN ID
iron-postern-vermeil
Grade
II
Local Planning Authority
Swansea
Constituency
Neath and Swansea East MP: Carolyn Harris (Lab)
Country
Wales
Date first listed
22 October 2003
Type
Bridge
Address
Morfa Bridge, Bonymaen
OS grid reference
SS 664 954
Coordinates
51.64184, -3.9316
Source
Cadw listing

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

Description

Morfa Bridge is an iron and timber bascule bridge featuring coursed rubble abutments with raked revetment walls. It has raised twin piers topped with pyramidal cappings. The bridge includes a timber deck with modern handrails, which is supported by braced timber piers with raked supports. The wider central bay has a square timber pier on the western bank that supports an ironwork girder frame for the counterpoised lifting deck, which was originally powered by hydraulic mechanisms but is now fixed.

Local climate

Morfa Bridge sits in one of the wettest parts of the UK, with an average of 1,400 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 21 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 8 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
  • 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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