The A14 Huntingdon Railway Viaduct is part of the Cambridge to Kettering section of the A14 dual carriageway. The structure has been the subject of a Special Inspection that indicated the presence of voids, water and chlorides in the tendon ducts, but no significant corrosion of the strands. A SoundPrint® acoustic monitoring system, designed by Pure Technologies Ltd of Canada was installed to monitor tendon wire break activity in one of the cantilevers.

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