Pontsarn Viaduct (MJR @ 19m 53ch - 19m 60ch), Morlais Jcn - Rhydycar Jcn Line (Brecon & Merthyr and LNWR Joint)
Eight-arch masonry viaduct dated 1866, built by the B&M across the Afon Taf Fechan at a height of 92 feet above the water. It comprises seven spans, with an overall reach of 152 yards. Ownerhip became joint with the LNWR in 1875