Plate-Girder Bridge is a Grade II listed building in the Neath Port Talbot local planning authority area, Wales. First listed on 31 March 2000. Bridge.

Plate-Girder Bridge

WRENN ID
crooked-spindle-snow
Grade
II
Local Planning Authority
Neath Port Talbot
Constituency
Aberafan Maesteg MP: Stephen Kinnock (Lab)
Country
Wales
Date first listed
31 March 2000
Type
Bridge
Address
Plate-Girder Bridge, Margam Moors, Sandfields East
OS grid reference
SS 755 893
Coordinates
51.58888, -3.79789
Source
Cadw listing

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

Description

This is a long, three-arch plate-girder bridge built in 1903. It features a wide deck supported by piers and abutments made of snecked stone, with the piers extending as cut-waters. The abutments are angled and have quoins, topped with concrete copings. The parapets are divided into three sections, one for each arch, each containing a row of riveted wrought iron plates beneath a top rail that curves down at the ends. Narrow iron railings with fleur-de-lis finials fill the gaps between these sections. The central section of the parapets is slightly raised and has a narrow top rail. An oval iron plaque is mounted in the center of the south face, though it is not decipherable. The flanking sections feature heavy riveted top rails, and open iron handrails are mounted on the parapets, which include circular posts, a top rail, a mid rail, and small ball finials. The abutments extend into the river banks and support similar railings. The ends of the bridge are marked by large square stone piers with moulded arched capstones that have margin drafting. The south piers support large decorative iron vases with finials, while the north piers may be missing theirs. A large stone tablet on the inside face of the northwest pier commemorates the bridge's construction by the Aberavon Corporation, opened by Sir Arthur Vivian KCB on October 29, 1903, with engineer J. Roderick and contractors Clark & Co. Major T. A. Burgess and town clerk M. Tennant are also mentioned. Additionally, there is a further pier at the northeast end of the east abutment. The bridge has a wide two-carriageway deck with pavements on each side.

Local climate

Plate-Girder Bridge sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% 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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  2. Former Harbour House Grade II 591 m
  3. Harbour Watch-Tower Grade II 822 m
  4. War Memorial Grade II 916 m
  5. Catholic Church of St Joseph Grade II 962 m
  6. Church of St Mary Grade II 1.1 km
  7. Harbour Court Grade II 1.2 km
  8. Aberavon Bridge (partly in Aberavon community) Grade II 1.3 km
  9. Aberavon Bridge (partly in Port Talbot community) Grade II 1.3 km
  10. Bethany Chapel Grade II 1.3 km