The Confederation Bridge is a box girder bridge carrying the Trans-Canada Highway across the Abegweit Passage of the Northumberland Strait, linking the province of Prince Edward Island with the mainland province of New Brunswick. Opened May 31, 1997, the 12.9-kilometre bridge is Canada's longest bridge and the world's longest bridge over ice-covered water. Construction took place from 1 November 1993 until May 1997 and cost C$1.3 billion.