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
Millau Viaduct up to €394 million, with a toll plaza north of the viaduct, costing an additional €20 million. The builders, Eiffage, financed the construction in return for a concession to collect the tolls for 75 years, until 2080. However, if the concession yields high revenues, the French government can assume control of the bridge as early as 2044. The project required about of concrete, of steel for the reinforced concrete, and of pre-stressed steel for the cables and shrouds. The builder claims that the lifetime of the bridge will be at least 120 years. Numerous organisations opposed the project, including the