Latitude: 51.6603 / 51°39'37"N
Longitude: -3.3166 / 3°18'59"W
OS Eastings: 309024
OS Northings: 196544
OS Grid: ST090965
Mapcode National: GBR HR.6NGF
Mapcode Global: VH6DC.GJHK
Plus Code: 9C3RMM6M+48
Entry Name: Greenfield Bridge, Penydarren Tramroad
Listing Date: 20 February 2003
Last Amended: 20 February 2003
Grade: II*
Source: Cadw
Source ID: 80907
Building Class: Transport
ID on this website: 300080907
Location: Crossing the Afon Taf some 200m NE of the railway viaduct at Quakers Yard.
County: Merthyr Tydfil
Town: Merthyr Tydfil
Community: Treharris
Community: Treharris
Locality: Quakers Yard
Built-Up Area: Treharris
Traditional County: Glamorgan
Tagged with: Bridge Road bridge
Tramroad bridge over the River Taff built after 1815 for the Penydarren tramroad to replace a wooden bridge which collapsed 15/2/1815 when a train was passing over. The arch of 19.2m span rising 8.4m above the river is among the largest early railway bridges in the world. In poor condition 2002. Said to incorporate abutments of former bridge, but another abutment survives adjoining.
Tramroad bridge, rubble stone, high single arch with thin cut stone voussoirs of tooled stone with raised keystones. Rubble stone parapets with cement capping. Large square abutments.
Graded II* as a surviving early tramroad bridge of remarkable scale and exceptional historic interest.
Scheduled Ancient Monument Gm 359c.
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