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This is a final report of an archaeological excavation at Oldbridge 5 (01E0266) which was located on the route of the M1 Northern Motorway Gormanston – Monasterboice (Drogheda Bypass), Platin to Oldbridge, Chainage 21600–24800, Contract 7, County Meath. The excavation was carried out by Dermot Nelis of Irish Archaeological Consultancy Ltd on behalf of Meath County Council. The work was carried out under licence No. 01E0266 which was received from the DoEHLG in consultation with the National Museum of Ireland. The fieldwork took place between 5 March and 4 April 2001. Oldbridge 5 was identified during monitoring of topsoil stripping as a linear feature. An area measuring 11m x 12m (132m²) was cleaned back by hand and further features were identified. The site comprised a linear ditch feature with evidence of two recuts, and four possible postholes. Only one find was recovered from one of the ditch fills, a chert rubbing stone and although it may date to the late Neolithic or early Bronze Age it cannot be taken as an indication of dating for the ditch. Predominantly oat (Avena sp.) with lesser quantities of barley (Hordeum sp.) were identified from two fills of linear ditch C20 and the presence of barley and cultivated oat collectively suggests an early historic/medieval crop assemblage, since the cultivation of oat is primarily dated from the early medieval period in Ireland (Lyons, Appendix 2.5). A sample of charred cereal grain selected for dating from one of the ditch fills failed and as such the site remains undated. Little can be said about this linear feature and possible postholes. The ditch comprised three separate cuts but these are most likely to have served the same function, although the function is not clear. These features may have had some association with features excavated on sites in close proximity to Oldbridge 5 which included an Iron Age ring-ditch at Oldbridge 4 (Nelis 2011), an Iron Age kiln at Sheephouse 1 (Nelis forthcoming) and various early medieval enclosure ditches at Sheephouse 2 (Moore forthcoming). The presence of a similar crop assemblage recorded at Sheephouse 1 and Sheephouse 2 (Lyons, Appendix 2.5) may support an association with these sites. NOTE: THE GRID RFERENCES PROVIDED IN THE REPORT PROVED INCORRECT. THE CORRECT GRID REFERENCES ARE INCLUDED IN THE METADATA.