This report deals with the organisation of the management of large bridges, the monitoring systems used on large bridges and specific aspects of the maintenance.

It is based on the answers received to a questionnaire disseminated through the World Road Association TC D3 members to owners and managers of large bridges. It describes the management organisation of 10 large bridges, located in several countries and representing different structural types: cable stayed bridge, suspension bridge, large steel truss of different shapes (arch, cantilever beam), large prestressed concrete box girder, steel or concrete beams.