Overview
Portlaw Bridge is recorded as bridge in Waterford. Three-arch rubble stone road bridge over river and canal, c.1780. Random rubble stone walls with lime mortar, cut-stone triangular cut-waters, and rendered coping to parapets.
Why it was built
The saved account records: Three-arch rubble stone road bridge over river and canal, c.1780.
People and work
The saved account records: Random rubble stone walls with lime mortar, cut-stone triangular cut-waters, and rendered coping to parapets.
How it changed
The saved account records: Three segmental arches with squared limestone voussoirs, and rubble stone soffits having lime render over.
What survives
The saved account records: Sited spanning Clodiagh River and Clodiagh Canal with grass banks to both waterways.
Why it mattered
Portlaw Bridge matters for the exact reasons given in its official assessment, rather than merely because it is an old structure. The source records: An elegantly-composed bridge that forms an appealing feature on the Clodiagh River and Clodiagh Canal. The traditional construction in unrefined rubble stone serves to assimilate the bridge attractively into the surrounding landscape. The civil engineering heritage significance of the composition is identified by the construction of the arches, which have retained their original form and profile. This explains what the place adds to local life, the street or the surviving built history.
History checked 15 August 2026 against the named sources below.
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