The second edition has been updated to reflect the current challenges bridge engineers face in assessing conditions and making informed decisions on cost-effective maintenance, repairs, upgrades and replacements. It also provides support to infrastructure engineers and planners who analyse, interpret and make decisions on large populations of bridge structures as part of the long-term planning and preparation of maintenance budgets. • is fully updated to reflect the modern methods of asset management, remote condition monitoring and the use of new materials • contains over 80 illustration to provide guidance for common defects • offers a range of case studies where defects and component failures have occurred highlighting causes, repair and future prevention measures. This book aims to help readers to quickly target the relevant and necessary information to safely deal with the issues encountered in operating a growing railway on an ageing asset stock. is essential to engineers, designers and planners involved in any aspect of the design, construction, repair, maintenance and refurbishment of railway bridges.