Latitude: 51.759 / 51°45'32"N
Longitude: -3.3964 / 3°23'46"W
OS Eastings: 303720
OS Northings: 207620
OS Grid: SO037076
Mapcode National: GBR HN.06F3
Mapcode Global: VH6CY.21TX
Plus Code: 9C3RQJ53+HF
Entry Name: Old Cefn Bridge
Listing Date: 11 July 1951
Last Amended: 5 November 2002
Grade: II
Source: Cadw
Source ID: 27061
Building Class: Transport
ID on this website: 300027061
Location: Situated on the S side of Cefn Coed-y-Cymmer crossing the Afon Taff Fechan just N of the present road bridge of the A470.
County: Merthyr Tydfil
Town: Merthyr Tydfil
Community: Vaynor (Y Faenor)
Community: Gurnos
Locality: Cefn Coed-y-Cymmer
Built-Up Area: Merthyr Tydfil
Traditional County: Brecknockshire
Probably late C18, said to have been built between 1775 and 1781. It carried the old Merthyr Tydfil to Brecon road over the Afon Taff Fechan and the Gurnos tramroad. The Gurnos tramroad connected the Vaynor limestone quarries to the nearby Cyfarthfa Ironworks. A bridge is shown on the road between Merthyr Tydfil and Brecon on the Plymouth estate map of 1766 surveyed by Edward John Eyre . It is called 'New Bridge' in a lease of 1763 and on a 1799 map of Glamorgan by George Yates. It is included in a 1832 list of Glamorgan county bridges and seems to have survived the calamitous floods of July 1854. By 1899 the Vaynor Parish Council was concerned about the dangerous state of the bridge and it was replaced c1910 by the current road bridge just S.
Bridge, coursed rubble stone, single broad shallow arch with thin stone voussoirs. Low rubble stone parapets probably rebuilt, with later iron railings.
Included as a C18 bridge of historical importance carrying the old Merthyr Tydfil to Brecon road over the Afon Taff Fechan and the Gurnos tramroad.
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