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Spudder's Bridge is a medieval bridge in Wales, protected as a scheduled monument by Cadw under reference CM006. The structure spans across bedrock formed from the South Wales Lower Coal Measures, a geological sequence laid down during the Westphalian period, comprising alternating layers of mudstone, siltstone and sandstone interspersed with coal seams and ironstone. This mineralogical character would have shaped both the landscape the bridge traverses and the building materials available to its medieval builders.
The bridge represents the medieval period's engineering response to crossing the watercourse, constructed when such structures were essential infrastructure for local trade and communication routes. Its positioning reflects the practical considerations of medieval settlement and movement, following lines of travel that often persisted from earlier periods.
As a protected monument, Spudder's Bridge survives as evidence of medieval construction techniques and the hydraulic infrastructure that supported Welsh communities. The bridge's masonry and form remain subject to the pressures of the underlying geology, with the coal-measure rocks beneath creating a landscape of varying hardness that influenced both its original construction and its present condition.
Spudder's Bridge is a scheduled monument protected by Cadw under reference CM006. View the official record →
Spudder's Bridge is a medieval bridge in Wales, protected as a scheduled monument by Cadw under reference CM006.
Spudder's Bridge dates from the medieval period, and is classified as a bridge. It is one of over 32,000 scheduled monuments protected across the UK.
Spudder's 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 CM006.
Several scheduled monuments lie within 10 km, including Glanstony Aqueduct, Trimsaran (0.9 km), Dome Gunnery Trainer, Pembrey Airfield (3.4 km), Court Wood Enclosure 500m SSW of Pen-Llwyn-Isaf (4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Spudder's 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.
Spudder's Bridge stands on Pennine Lower Coal Measures Formation And South Wales Lower Coal Measures Formation (Undifferentiated), bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.