dwarf piers. It was replaced by an embankment in 1871. Tregarne Milepost 296.75, west of Grampound Road. () A Class A viaduct high and long on 9 piers. It was replaced by a new stone viaduct on 1 September 1901. Tregeagle Milepost 297, west of Grampound Road and east of Polperro Tunnel. () A Class A viaduct high and long on 4 piers. It was replaced by a new stone viaduct on 2 February 1902. Truro Milepost 300, east of . () Sometimes known as Moresk Viaduct, this Class A viaduct is high and long on 20 piers. 14 of these still stand alongside the replacement stone viaduct which was brought into use on 14 February 1904. Carvedras Milepost 300.5, a short distance east of Truro station. () A Class A viaduct high and long on 15 piers. It was replaced by a new stone viaduct on 17 August 1902. The new viaduct and the remaining piers of the original structure were listed Grade II on 30 July 1993. Viaducts from Truro to Falmouth Penwithers Milepost 301.5, west of the junction with the West Cornwall Railway to . () A Class A viaduct high and long on 12 piers. It was rebuilt as an embankment in 1926. Ringwell Milepost 304, north of . () A Class A viaduct high and long on 5 piers. It was rebuilt as an embankment in 1933. Carnon Milepost 304.25, north of Perranwell. () A Class A viaduct high and long on 11 piers. The soft nature of valley floor meant that some piers had to have a foundation built for them by sinking a temporary caisson and removing the mud within it. It was replaced by a new stone viaduct on 13 August 1933. This viaduct crossed Restronguet Creek and the Redruth and Chasewater Railway near its Devoran terminus. This disused railway line now forms part of the Mineral Tramway Trails. Perran Milepost 305.75, south of Perranwell. () A Class A viaduct high and long on 5 piers. It was replaced by a new stone viaduct on 24 April 1927. Ponsanooth Milepost 307, across the River Kennal north of . () A Class B viaduct high and long on 9 piers. It was replaced by a new stone viaduct on 7 September 1930. This is the tallest viaduct west of Truro. Pascoe Milepost 307.25, north of Penryn. () A Class A viaduct high and