It belongs to a category of ancient structure known as a togher, the Irish term for a trackway or roadway laid across wet or boggy ground. These were essentially engineered crossings, built from timber, brushwood, or other organic material to allow people and livestock to move safely through terrain that would otherwise be impassable. The fact that this one survives at all is largely down to the preserving qualities of the anaerobic bog environment, which can hold organic material in remarkable condition long after it would have rotted away above ground.

The trackway was recorded during a field survey in 1988 and is classed as a class 3 togher, a designation that relates to its construction type within a broader typological framework developed for Irish bog roads. The reference point for this site is the work of Barry Raftery, whose 1990 publication on Irish trackways documented it alongside comparable examples from Irish wetlands. Raftery's research brought sustained scholarly attention to the extraordinary concentration of ancient roads preserved in Irish bogs, and Annaghbeg fits into that wider picture of routine but ingenious landscape management by communities for whom the midland bogs were not barriers but negotiable territory.