Northumberland's Ice Breaker

by Ross Gilmour, P.E., Principal; SCI, Calgary, and Director of Design for SCJV, Charlottetown,
Gerard Sauvageot, P.E., Vice President; J. Muller International, New York, NY,
Daniel Tassin, P.E., Executive Vice President; J. Muller International, New York, NY,
James D. Lockwood, P.E., Principal; J. Muller International, New York, NY,

Serial Information: Civil Engineering—ASCE, 1997, Vol. 67, Issue 1, Pg. 34-38

Document Type: Feature article


Extending more than 12.8 km over treacherous waters, the new Northumberland Strait Crossing had to go a long way to finally join the last separate Canadian province to the mainland. Design of the 12.91-km-long Northumberland Strait Crossing between Prince Edward Island and New Brunswick was a two-year endeavor that vigorously tested and ultimately elevated the art of segmental engineering to a new plateau. Upon placement of its last drop-in span on Nov. 19, 1996, the structure became the world's longest continuous crossing over water subbject to ice floes. This project is also without precedent in the monumental size of its concrete segments, the number of long spans involved and the techniques employed to erect and interconnect these elements in deep water in only 11 months. The $525 million (U.S. dollars) bridge is schedules to open in June 1997.

Subject Headings: Ice | Project management | Islands | Continuous structures | Concrete | Bridges

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