Abstract
Hyde Lane Bridge is an early example of the British Rail western steel box girder bridge. It comprises two external and one central box girder supporting two tracks via a cross-girder and steel plate deck. The steel deck plate forms the top flange to the cross-girders and is curtailed towards the cross girder ends. The cross-girders' ends exhibited cracking commencing at the point of the top flange curtailment and continuing through the web. The cracking is unusual as it appears to have been caused by an excessive stress range in compression promoted by the rapid change in section at the point of top flange curtailment. The paper deals with the analysis of the deck, the emergency works and the design and implementation of the remedial works.
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