Bridge, Islandreagh House, Islandreagh Td, Co. Antrim

Single-span segmental-arched stone road bridge, built c.1860, set over the Belfast-Ballymena Railway on a north/south axis with stone piers and steel gates to the north, formerly giving access to Islandreagh House and a mill complex. Rough-hewn squared sandstone walls with sandstone ashlar quoins to the edges havng tooled edges and a plain projecting string-course at springing level. The arch is segmental formed in sandstone rockfaced ashlar voussoirs with tooled edges with a rendered soffit. To both sides is a tapered buttress rising level with the top of the arch. The parapet wall is surmounted by sandstone ashlar coping. The abutments continue to either side to meet grassy railway embankments. At deck level, a pair of square piers to the north end are formed in sandstone as before wuith pyramidal capstones of ogee profile on a projecting base. Piers support wrought iron gates and form the entrance to Islandreagh House with curved screen walls facing the road formed in rock faced squared sandstone.