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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
Plus Code: 9C3RP9WR+8P
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
ID on this website: 300082446
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
Tagged with: Viaduct
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.
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.
Included for its special interest as particularly fine railway viaduct designed by I K Brunel, the renowned Victorian engineer.
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
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