Causeways of this kind, found at various Irish lakes and wetlands, could serve several purposes depending on their age and construction. Some are medieval or early modern raised trackways built to connect islands or shallow fords to the shore; others are far older, associated with the same impulse that produced crannogs, the artificial or partly artificial island settlements that appear across Irish lakes from the Bronze Age onward. A causeway might provide the only practical approach to such a settlement, or it might mark a routeway across boggy ground that has long since been forgotten.

Lough Conn sits in a broad drumlin landscape shaped by glacial activity, and the lough itself is well known for its fisheries and its relatively undisturbed shoreline. The causeway recorded here is listed as a monument, meaning it has been identified and assigned protected status, but the details of its construction, its date, and its relationship to any associated settlement or crossing point have not been made widely available. Without excavation reports or survey data in the public domain, it is difficult to say whether this is a straightforward post-medieval agricultural or estate feature or something considerably older. Mayo has no shortage of prehistoric and early medieval lake activity, and Lough Conn's shallow northern reaches in particular have attracted antiquarian interest over the years.