Overview of Geotechnical Design of Bridges and the Provisions of UK NA for EN 1997-1

This paper provides an overview of aspects of BS EN 1997-1:2004 relevant to bridge design, highlighting some key changes from past bridge design practice in accordance with BS5400[1] and the Design Manual for Roads and Bridges (DMRB)[2]. In addition, it describes the background to provisions of the UK National Annex (NA) for BS EN 1997-1:2004 particularly relevant to bridge design.