What now measures roughly 5.8 metres across was originally closer to 2.9 metres wide, meaning at some point in its history the bridge was extended outward, doubling its width while retaining the original arch beneath.

The bridge is built in the humpback single-arch style common to Irish rural crossings of the post-medieval period, its arch formed from voussoirs, the wedge-shaped stones that lock together to carry load across a span, though here they are described as roughly cut rather than finely dressed. That roughness, combined with the evidence of later widening, suggests a structure that was functional rather than decorative, adapted over time to accommodate heavier or broader traffic than its original builders had anticipated. The crossing sits on the boundary between County Tipperary and County Limerick, and because it links both counties it carries dual records on each side of the administrative line. That county-straddle is itself a reminder of how bridges often preceded the borders that later grew up around them, serving a practical geography that had little interest in county divisions.