Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 128,855 pages of information and 203,579 images on early companies, their products and the people who designed and built them.

Hengoed Viaduct

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2014
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Crosses the Rhymney Valley at Maesycwmmer, Hengoed, north of Caerphilly.

Originally referred to as the "Rhymney Viaduct" it was also known as the "Maesycwmmer Viaduct".

This Viaduct was on the "Taff Vale Extension" before the line was opened in 1858.

16 arches of 40 ft span. 284 yards long, on a slight curve.

Construction was undertaken by the Newport, Abergavenny and Hereford Railway under its chief engineer Charles Liddell. Thomas William Kennard won the design contract. Rennie and Logan were the contractors. Work started in 1853, and opened for commercial traffic on 11th January 1858.

The piers taper from 10 feet wide at the base to 5 feet 6" at the arch springing level. The deck is 120 feet above the river.

1964 Closed

Grade II* listed. Now owned by Railway Paths Ltd, it is in the National Cycle Network and is part of the Celtic Trail.


See Also

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Sources of Information

  • [1] Forgotten Relics website, Hengoed Viaduct.