Craigmore Viaduct Craigmore Viaduct The Craigmore Viaduct () is a railway bridge near Bessbrook, County Armagh, Northern Ireland, known locally as the 18 Arches. (OS Grid ref: Jo628). Near Newry railway station. The bridge was designed by John Benjamin Macneill, an eminent Irish civil engineer, with construction beginning in 1849 for the Dublin and Belfast Junction Railway. The bridge was formally opened in 1852. It spans the valley of Camlough River. The viaduct consists of 18 arches of 60 ft span, the highest being 126 ft, making Craigmore the tallest viaduct in Ireland. It is around a quarter of a mile long
Ouse Valley Viaduct Ouse Valley Viaduct The Ouse Valley Viaduct (also called Balcombe Viaduct) carries the London-Brighton Railway Line over the River Ouse in Sussex. It is located to the north of Haywards Heath and to the south of Balcombe. Known for its ornate design, the structure has been described as "probably the most elegant viaduct in Britain." Construction of the Ouse Valley Viaduct commenced by the London & Brighton Railway company during 1839. It was designed by the principal engineer for the line, John Urpeth Rastrick, in association with the architect of the London to Brighton railway, David Mocatta. The viaduct is