Category Archive : Launched Bridges

May 24, 2017

Case Study: Temporary Bridge for the Lower Churchill (Muskrat Falls) Project

Case Study: Temporary Bridge for the Lower Churchill (Muskrat Falls) Project

The Muskrat Falls Project is a large-scale hydroelectric dam initiative undertaken by the province of Newfoundland and Labrador. A critical step in the process was the construction of a 377-feet (115-metre) long, 750-ton temporary bridge in the city of Goose Bay. The bridge, which is 52 feet (15.85 metres) wide and 30 feet (9.14 metres) high, is mainly used by vehicles known as off-highway trucks (such as the Caterpillar 773) to transport blasted rock. One…

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October 16, 2014

Case Study: Gilbert River Bridge

Case Study: Gilbert River Bridge

Built in the scope of the Highway 73 extension project in the Beauce region, the Gilbert River Bridge is a 1,070-ft. (326-meter) structure that was erected 170 feet (52 meters) over the Gilbert River and 34th Street in Notre-Dame-des-Pins, Quebec. The new bridge features eight lines of 11 girders, with each component measuring 11 feet (3.4 meters) tall and weighing up to 48 tons apiece. Canam-Bridges supplied 4,550 tons of steel components in addition to

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June 4, 2014

Launched-Girder Erection: A Cost and Time-Effective Technique

Launched-Girder Erection: A Cost and Time-Effective Technique

Canam-Bridges¬†participated in the construction of a bridge over the Natashquan River that now links two municipalities in the province of Quebec, Kegaska and Pointe-Parent, which are located approximately 620 miles (1,000 km) north of Quebec City. Until the bridge opened in fall 2013, Kegaska residents had relied on other means, including boat, plane and snowmobile, to meet their transportation needs. This project was executed in the scope of the extension of Route 138. The superstructure chosen…

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June 4, 2014

New Launching Technique Using Counterweights

New Launching Technique Using Counterweights

In recent years, Canam-Bridges has elaborated an innovative bridge erection technique: a launched-girder erection system using counterweights. This method was put to use during the construction of the North Channel Bridge, which connects the City of Cornwall and Cornwall Island in Ontario, Canada and the State of New York in the U.S. Spanning the St. Lawrence Seaway, over 120,000 commercial vehicles and 2,300,000 passenger vehicles use this vital corridor every year. The Mandate The

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