It crosses the River Cynon between Trecynon and Robertstown, Wales.

It carried the Llwydcoed Tramroad (4 feet 2 inches (1.27 m) gauge) which ran from Hirwaun to the canal head at Cwmbach, south east of Aberdare.

It was built by the Aberdare Canal & Navigation Company in 1811, and was probably designed by George Overton.

[1] The bridge is a scheduled monument and a Grade II listed building.

[2] The bridge was declared unsafe and was completely removed for renovation.