That is how archaeology often works in Ireland: infrastructure projects turn up things nobody went looking for, and what the Nenagh Bypass disturbed at Benedin was a small but coherent trace of Bronze Age domestic life on a patch of elevated ground.

What the excavation revealed was a circular arrangement of post-holes, the ghostly negative impressions left in the soil where upright timbers once stood, forming a structure roughly 3.8 metres in internal diameter. A beaten clay floor survived inside the ring, and around it lay a scatter of stake-holes and small pits. Several of those pits were filled with charcoal-rich soil and burnt red clay, suggesting repeated burning, whether from a hearth, a working fire, or some other activity. The finds were modest but telling: fragments of pottery, chert scrapers, burnt bone, and slag. Chert is a flint-like stone used for knapping tools, and its presence alongside slag, the glassy residue of metalworking, hints at a site where both older craft traditions and newer technologies overlapped. The excavator, reporting in 2000, placed the structure in the Bronze Age, a broad period in Ireland running roughly from 2500 to 600 BC.