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N3 Cavan Bypass

  • Project Type Roads / Bridges
  • Client Cavan County Council
  • Company Involvement The Cavan Bypass Project is an Employer Design Contract awarded by the National Roads Authority. It was awarded to Roadbridge (formally Pat Mulcair Civil Engineering) in March 1998.
  • Form of Contract IEI 3rd Edition 1980
  • Dates March 1998 - September 1999
  • Location Co. Cavan, Ireland
  • Value IR £27 Million


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This contract comprises site clearance, fencing, drainage, earthworks, pavement construction, accommodation works and other ancillary works. The road project comprises 9.5km of single carriageway National Primary Road together 4km of local roads and two grade separated interchanges. The project bypasses both Cavan Town and Butlersbridge


Key Features

  • 1, 600,000m³ excavations
  • 34,700 lin.m of drainage
  • 155,000m² of road surfacing
  • 6,500 m³ concrete
  • Structures Included:
  • Cootehill Road Interchange Bridge
  • Ballyhaise Road Interchange Bridge
  • Billis Road Bridge
  • Annalee River Bridge (76m triple arch post-tensioned bridge)