The structure is a togher, a type of wooden trackway laid across wet or boggy ground to allow people and animals to pass safely, and this particular example is a quietly accomplished piece of early engineering.

The togher measures 2.1 metres wide and 0.22 metres deep, constructed from roundwood of ash, oak, and hazel laid in a regular pattern. The presence of woodworking marks on the timbers indicates these were not simply gathered branches thrown down in haste; the material was shaped and deliberately arranged. Bogs are unusual preservers of organic material because the acidic, oxygen-poor conditions slow the decay that would otherwise consume wood within decades. The result is that structures like this one, which might have been in use for a season or a generation, can survive for centuries or even millennia beneath the surface, emerging only when peat is cut or drainage changes the ground. The classification as a class 3 togher reflects a typology developed to describe the varying complexity of these trackways, from simple brushwood laid flat to more structured constructions like this one, with its consistent width and worked timbers.