Concrete bridge, dated 1936, built as part of the Tre'r-ddol by-pass road by Cardiganshire County Council. The bridge carries a slate plaque (similar to one mounted on Ceulan Bridge, Talybont, nprn 23938) bearing the legend:

19 CCC 36
PONT BRAIN
T.E. OWEN COUNTY SURVEYOR

B.A.Malaws, RCAHMW, 28 February 2003 & 06 April 2018.