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Pontwalby Railway Viaduct (partly in Blaengwrach community)

A Grade II Listed Building in Glyn-neath, Neath Port Talbot

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Coordinates

Latitude: 51.7458 / 51°44'44"N

Longitude: -3.6082 / 3°36'29"W

OS Eastings: 289065

OS Northings: 206458

OS Grid: SN890064

Mapcode National: GBR HC.173D

Mapcode Global: VH5GC.DDT0

Entry Name: Pontwalby Railway Viaduct (partly in Blaengwrach community)

Listing Date: 30 January 2004

Last Amended: 30 January 2004

Grade: II

Source: Cadw

Source ID: 82446

Building Class: Transport

Location: On the S side of Pontwalby, the viaduct spanning the Nant Gwrelych.

County: Neath Port Talbot

Town: Neath

Community: Blaengwrach

Community: Glynneath

Built-Up Area: Glyn-neath

Traditional County: Glamorgan

Find accommodation in
Glyn Neath

History

Railway viaduct built to carry the Vale of Neath broad gauge double track over Nant Gwrelych at Pontwalby. The Act for the railway from Neath to Aberdare (with a branch to Merthyr) was passed in 1846 and construction began shortly after with I K Brunel as the engineer. The line to Aberdare was opened to goods and passengers in 1851 and the Merthyr branch from Gelli Tarw Junction in 1853.

Exterior

Railway viaduct, squared sandstone blocks with tooled angles and voussoirs. Five broad round arches with big cut stone voussoirs and red brick soffits carried on massive tapering piers, the tallest over 18m high. Each pier is divided on axis of viaduct by a tall arched opening with stone voussoirs. Bull nosed string course under parapet with flat stone coping. Fifth arch to SW has been blocked in stone with big open roundel in stonework with brick surround.

Reasons for Listing

Included for its special interest as particularly fine railway viaduct designed by I K Brunel, the renowned Victorian engineer.

Other nearby listed buildings

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