Gwynedd Archaeological Trust
Regional Historic Environment Record

Pont ar Ddyfi Bridge, Machynlleth

Primary Reference Number (PRN) : 5114
Trust : Gwynedd
Community : Corris
Unitary authority : Gwynedd
NGR : SH7441701922
Site Type (preferred type first) : POST MEDIEVAL BRIDGE
Status : Listed Building II*, Scheduled Monument

Description :
Pont ar Dyfi is a stone road bridge of five segmental arches crossing the Afon Dyfi. It has a span of 30yds and is 18ft wide between parapets. A bridge appears to have existed here in the early C16th, but it is not known when the present bridge was built. <1>

As described. <2>

One of the finest bridges in Montgomeryshire. Joins Pennal to Machynlleth UD. Stone bridge 5.5m wide with 5 arches spanning a total of 64m. Stringcourse, low, stepped cutwaters and flat pilasters, without capitals, between arches. Low parapet with roadway approx. 20ft wide. (Late C18th according to Jervoise). The original timber bridge was constructed in 1533 when Geoffry Hughes, a citizen and merchant of London, left 6 13s 4d towards the making of the bridge. This was replaced in stone around 1681. Present bridge has had a steel reinforcement bars added to either side of the S arch. (Jones 2001).

Sources :
Jones, N. W. , 2001 , A487 Fishguard to Bangor Trunk Road: Pont ar Dyfi Improvement: Cultural Heritage Assessment Volume 1 & 2 ( © Clwyd-Powys Archaeological Trust (CPAT))
Leigh, L. A. , 2005 , Pont ar Ddyfi: The History of the Bridge , Journal of the Merioneth Historical and Record Society : Vol. XIV : pp.291-318
Jervoise, E. , 1936 , Ancient Bridges of Wales and Western England , <1>
Ordnance Survey , 1980 , SH70SW 3 , <2>
, 1975 , Industrial Archaeology of Wales , <3>

Events :
43826 : A487 Fishguard to Bangor Trunk Road Pont ar Ddyfi Improvement (year : 2001)

Related records
National Monuments Record Wales NPRN 24236 https://coflein.gov.uk/en/site/24236/

Compiled date : 19-04-1988


The above data are supplied by GAT in partnership with its Local Authorities (Anglesey, Conwy and Gwynedd County Councils, and Snowdonia National Park Authority), © GAT 2025 (and in part © Crown, 2025 - as indicated)
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