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Machynlleth Bridge is a post-medieval stone bridge crossing the River Dyfi at Machynlleth in Powys, Wales. The structure dates from the eighteenth century and represents an important example of bridge engineering from that period, facilitating trade and communication through the Dyfi valley. Constructed of stone with characteristic arched spans, the bridge reflects the building practices and materials typical of early modern Welsh infrastructure. Its designation as a Scheduled Ancient Monument reflects its historical significance as a key element of the region's transport network and built heritage.
Machynlleth Bridge is a scheduled monument protected by Cadw under reference MG002. View the official record →
Machynlleth Bridge is a post-medieval stone bridge crossing the River Dyfi at Machynlleth in Powys, Wales. It is designated a Scheduled Ancient Monument by Cadw under reference MG002.
Machynlleth Bridge dates from the post medieval/modern period, and is classified as a bridge. It is one of over 32,000 scheduled monuments protected across the UK.
Machynlleth Bridge is a Scheduled Ancient Monument, legally protected by Cadw — the body responsible for designating and safeguarding heritage sites in Wales. The official designation reference is MG002.
Several scheduled monuments lie within 10 km, including Cefn-Caer Roman Site (4.2 km), Tomen Las Castle Mound (5 km), Domen Las (7.6 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Machynlleth Bridge's history, each drawn from the record and mapped to the exact spot:
Every location is different. Not every section appears for every place, only what the historical record actually holds turns up in a report.
Machynlleth Bridge stands on Llandovery Rocks (Undifferentiated), bedrock that formed in the Llandovery. The rock here is mudstone, siltstone and sandstone.