Or perhaps a horizontal mill. Or perhaps nothing at all. That uncertainty is, in its own way, the whole story.

In 1990 a local source reported the site to the Sites and Monuments Record, describing what seemed to be something old and structural in the landscape. The file note left the question genuinely open: the find could represent an early bridge or a horizontal mill, the kind of simple water-powered grain mill, built low to the water with a flat wheel driven directly by the current, that was common in early medieval Ireland. The suggestion that timbers may have been visible points to organic material preserved in waterlogged ground, which is how such structures tend to survive at all. Alongside whatever structural traces prompted the report, deer bones and antler fragments were also recovered in 1990, details that hint at human activity without quite resolving what kind. The site was formally listed in both the 1991 SMR and the 1997 Record of Monuments and Places under the catch-all category of Miscellaneous. When investigators visited in 1998, they found nothing visible on the ground.