Bridge, Reanasup, Co. Kerry
Co. Kerry |
Bridges & Crossings
A small road bridge in Reanasup, County Kerry, carries a mid-eighteenth-century route across a tributary of the Blackwater, and it does so by means of a single elliptical arch, a shape less common in rural Irish bridge-building than the more familiar semicircular form.
The elliptical profile is lower and flatter, allowing the road surface to cross with a gentler gradient, which would have mattered considerably to cart traffic on a working agricultural road. At 5.4 metres across the span and 5.3 metres wide, this is not a grand civic structure; it is a quietly functional piece of infrastructure that has survived largely intact from the era when the road network across this part of Kerry was being laid out.
The bridge is constructed from random rubble sandstone, meaning the stones were laid without being cut to regular courses, a typical approach in areas where good ashlar was expensive or difficult to source. What distinguishes it technically is the use of split shale voussoirs, the wedge-shaped stones that line the curve of the arch and carry the load across the opening. Shale splits along natural planes, and using it for voussoirs reflects both local material availability and a degree of practical knowledge about how the stone would behave under compression. The parapets, the low walls on either side of the road, carry vertical stone coping, though the southwest face has seen some replacement work at some point, leaving a slight material inconsistency on that side. The road the bridge serves dates to the mid-eighteenth century, placing its construction within the broader effort to improve overland routes across Munster during that period.