The Confederation Bridge, which opened for traffic in 1997, is 12.9 km long and is one of the longest reinforced concrete bridges built over water in the world. It was designed for a service life of 100 years, twice the service life of typical bridges. The bridge crosses Northumberland Strait, connecting the Canadian provinces of Prince Edward Island (PEI) and New Brunswick. Heavy storms with winds in excess of 100 km/h and the presence of ice in the strait for four months each winter along with other harsh environmental conditions at the bridge site posed many challenges in the design and construction of the bridge.
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