1.Bridgesofdublin.ie
Developed by Dublin City Council, Bridges of Dublin is the most comprehensive repository of information about the Liffey’s 23 bridges from Lucan in the west to East-Link in the Docklands. Visitors can also read an overview of each bridge along with design and engineering facts, a run down of its history, a timeline of rebuilds etc, who it’s named after and where it’s located on the river. The site also has a comprehensive bridge building section covering types, materials, famous Irish & World bridges, designers, disasters and proposed bridges.