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Worsening cracking problem closes M4 between London and Heathrow

The identification of a new crack on the damaged Boston Manor viaduct has forced the closure of the M4 between London and Heathrow airport – a key section along the Olympic Route Network – for up to five days, the Highways Agency announced today.

The Agency said the new crack had been identified in a “sensitive location” following overnight works last night. Site workers were embarking on the final stages of the complex repairs to 15mm long hairline cracks discovered by chance in April in welds on the viaduct just west of junction 2 near Hounslow.

A 7.5t weight restriction on the damaged stretch had already been imposed since April, diverting coaches and lorries onto busy local roads.

The Agency said it expected to have the ongoing remedial work completed to enable the viaduct to open in time for the start of the Olympic Games later this month.

The bridge is maintained for the Agency by the Connect Plus consortium which comprises Balfour Beatty, Atkins, Skanska and Egis Road Operation.

  • Read NCE’s full and updated report here.

 

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