Lexden Bridge


Lexden Bridge
Colchester, Essex

The existing 100 year old Lexden Bridge needed to be demolished and a new reinforced concrete single span bridge.

The project involved the careful demolition of the existing bridge before the construction of new in-situ reinforced concrete abutments and a steel beam & reinforced concrete bridge deck, supported on new 15m deep concrete piles.

The resultant raised height of the new bridge deck required a change to the vertical alignment of the carriageway approaches on either side.

A temporary footbridge and footpath was constructed to maintain pedestrian access across the River Colne and an Aquadam and floating pontoon system was employed to enable the watercourse to remain flowing whilst the existing abutments and wing walls were demolished and the new abutments constructed.

It was necessary to overcome a further challenge of constant flooding of the site throughout the duration of the works due to its location within a floodplain.

Hague Construction met this additional challenge by means of localised sheet piling and temporary works to protect and mitigate the effect of the flood water on the works and the construction program.

  • Main contractor: Essex Highways
  • Client: Essex County Council
  • Type of work: Civil Engineering

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