Shannonbridge takes its identity from the long stone crossing between Offaly and Roscommon. Military engineers and navigation improvements later added new layers to the village's river landscape.
Illustration, Bridge over the River Shannon, Shannonbridge, County Offaly
⊕Recorded locationShannonbridge53.27886° N · 8.04232° WInteractive map supplied by OpenStreetMap.
These Irish name elements are associated with this record in the Logainm glossary.
An element’s translation is a clue, rather than a complete explanation of the name. Its form and meaning depend on local history and the full Irish name.
Recorded forms
Droichead na Sionainne· Irish · main form · validated name
Shannonbridge· English · main form
Place & story
The 1757 stone crossing
The sixteen-arch masonry bridge was completed in 1757. Its limestone walls and carefully cut arch stones span the Shannon between County Offaly and County Roscommon. Pointed cutwaters rise beside the piers, with pedestrian refuges at parapet level. The structure gave its name to the village on the Offaly bank and remains the central landmark linking the two sides. Later navigation and road works altered its eastern end, but the repeated stone arches still express the scale of the original crossing.[2]
Engineered against an invasion
The military complex on the Roscommon bank was begun in 1810, with barracks added in 1814 and completion recorded in 1817. It protected the bridge against a possible French invasion from the west. A triangular arrangement of ramparts and corner bastions worked with sloping earth defences, gun-looped redoubts and a vaulted caponniere covering the ditch. A long barrack block stood behind these works. The arrangement shows how military engineers used the bridge's axis and surrounding ground to concentrate fire on an approaching force.[3]
From flash lock to navigation channel
Navigation works brought further changes to the crossing. A flash lock was constructed in the 1750s, then replaced by a conventional lock around the turn of the nineteenth century and eventually by a navigation channel. The Heritage Council's 2002 study identified traces of these earlier arrangements in the bridge and recorded the old lock house's use as the village tourist centre. Waterborne trade and travel therefore left their own infrastructure beside the military works. The crossing had to accommodate both passage over the river and movement along it.[4]
Both counts use the 2016 settlement boundary, allowing like-for-like comparison. CSO supplies the 2022 count on this older boundary for comparison only. The official 2022 Built Up Area has different boundaries.
View population figures
Shannonbridge — Census 2016 settlement footprint — census population
Shannonbridge, Offaly — Census town, CSO 2006 report
2002–2006: census town
221people · 2006
These are the historical areas published in the 2006 census report. Boundaries may differ between censuses and from modern settlements. Legal towns, environs and suburbs are shown separately; none has been combined into a modern settlement total.
View population figures
Shannonbridge, Offaly — Census town, CSO 2006 report — census population
Shannonbridge, Offaly — Census town, CSO 1996 report
1991–1996: census town
266people · 1996
These are the historical areas published in the 1996 census report. Boundaries may differ between censuses and from modern settlements. Legal towns, environs and suburbs are shown separately; none has been combined into a modern settlement total.
View population figures
Shannonbridge, Offaly — Census town, CSO 1996 report — census population
Shannonbridge, Offaly — Census town, CSO 1986 report
1981–1986: census town
310people · 1986
Figures cover the historical town area printed in the 1986 report. Boundaries may have changed between censuses. Legal town, environs and suburb totals remain separate and differ from modern settlement boundaries.
View population figures
Shannonbridge, Offaly — Census town, CSO 1986 report — census population
These figures use different area definitions. Read the boundary note before comparing them.
Shannonbridge, Offaly
Published census settlement populations
175people · 2016
Settlement boundaries changed during this period. Differences may reflect boundary changes as well as population change. Where a 2011 legal-town-and-environs count is shown, it has not been recalculated onto the 2016 settlement boundary.
Bridge over the River Shannon, Shannonbridge, County Offaly illustration: based on a County Roscommon - Shannonbridge - 20200728202808 by Jonathan Baker (Jonjobaker). AI-assisted watercolour and ink adaptation; cream paper margins added, incidental clutter omitted and fine details simplified. Licence: CC BY-SA 4.0.
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