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Tennant Canal: Skewen Cutting and tramroad bridge is a post-medieval canal and associated infrastructure located in Wales, protected as a scheduled monument by Cadw. The cutting and bridge form part of the Tennant Canal, which was engineered through terrain underlain by the South Wales Upper Coal Measures Formation. This geological sequence, formed during the Westphalian period, comprises mudstone, siltstone, sandstone interspersed with coal seams, ironstone and ferricrete deposits characteristic of the South Wales coalfield.
The cutting through this varied strata required substantial excavation works to maintain the canal's gradient and navigation. The tramroad bridge represents the integration of canal infrastructure with the region's developing transport networks, facilitating the movement of goods in an area rich in coal and iron resources. Such bridges typically accommodated tramways that connected mines, ironworks and quarries to the canal system.
The Skewen site preserves evidence of the industrial infrastructure that underpinned South Wales' economic development during the canal era. The durable sandstone and coal-bearing geology of the Upper Coal Measures both constrained and enabled this engineering achievement, creating a landscape where extractive industries, transportation networks and geological resources became inseparably linked.
Tennant Canal: Skewen Cutting and tramroad bridge is a scheduled monument protected by Cadw under reference GM394. View the official record →
Tennant Canal: Skewen Cutting and tramroad bridge is a post-medieval canal and associated infrastructure located in Wales, protected as a scheduled monument by Cadw. It is designated a Scheduled Ancient Monument by Cadw under reference GM394.
Tennant Canal: Skewen Cutting and tramroad bridge dates from the post medieval/modern period, and is classified as a canal. It is one of over 32,000 scheduled monuments protected across the UK.
Tennant Canal: Skewen Cutting and tramroad 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 GM394.
Several scheduled monuments lie within 10 km, including Remains of Brunel Dock, Briton Ferry (3.6 km), St Margaret's Chapel (4.1 km), Mynydd y Gaer (Lower) Camp (4.4 km).
This page is just one thread. A full Aubrey report pulls together 13 strands of Tennant Canal: Skewen Cutting and tramroad 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.
Tennant Canal: Skewen Cutting and tramroad bridge stands on South Wales Upper Coal Measures Formation, bedrock that formed in the Westphalian. The rock here is mudstone, siltstone, sandstone, coal, ironstone and ferricrete.