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Iron Bridge over River Rhymney

A Grade II Listed Building in Rudry, Caerphilly

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Latitude: 51.5789 / 51°34'43"N

Longitude: -3.1127 / 3°6'45"W

OS Eastings: 322992

OS Northings: 187252

OS Grid: ST229872

Mapcode National: GBR J0.CRS0

Mapcode Global: VH7BB.0L90

Plus Code: 9C3RHVHP+GW

Entry Name: Iron Bridge over River Rhymney

Listing Date: 5 March 1999

Last Amended: 5 March 1999

Grade: II

Source: Cadw

Source ID: 21438

Location: Crossing the River Rhymney approximately 0.9km E of Draethen village and reached by private drive (and footpath) E of a minor road between Draethen and Michaelston-y-Fedw.

County: Caerphilly

Community: Rudry (Rhydri)

Community: Rudry

Locality: Llanfedw

Traditional County: Glamorgan

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Erected in 1829 as part of a carriage drive between Ruperra Castle and Machen church. Its erection probably coincided with the appointment of Augustus Morgan, son of Sir Charles Morgan, to the living of Machen c1828. The drive is now a public footpath.


Single-carriageway 2-span cast iron bridge. Four central T-section piers carry segmental arches supporting the deck. The central spandrels have circles, while in the outer spandrels are half circles (similar to the Iron Bridge in Shropshire). One arch on the downstream side bears the date 1829 in relief. One arch on the upstream side is partly missing. The abutments are of coursed stone and are splayed outwards. The deck is laid with cast iron plates (now grass covered) and a has a parapet of cast iron railings with spear finials. Above the abutments the parapets continue as white-brick walls curving outwards and terminating in round piers (now mostly collapsed). In the L bank the abutment has an arched culvert, with arch ring on the downstream side and collapsed on the upstream side.

Reasons for Listing

Included as a good example of an early cast iron bridge, of additional interest for its association with Ruperra Castle and the Tredegar Estate.

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