WORLDKINGS - Worldkings News - America Records Institute (AMRI) – Quebec Bridge: World's longest cantilever bridge span

16-11-2020

(Worldkings.org) Quebec Bridge is the world's longest cantilever bridge span. The Quebec Bridge was designated a National Historic Site in 1995.

The Quebec Bridge is a road, rail and pedestrian bridge across the lower Saint Lawrence River between Sainte-Foy (since 2002 a western suburb of Quebec City) and Lévis, Quebec, Canada. The project failed twice and took over 30 years to complete.

The Quebec Bridge is a riveted steel truss structure and is 987 m (3,238 ft) long, 29 m (95 ft) wide, and 104 m (341 ft) high. 

Cantilever arms 177 m (581 ft) long support a 195 m (640 ft) central structure, for a total span of 549 m (1,801 ft), still the longest cantilever bridge span in the world. (It was the all-categories longest span in the world until the Ambassador Bridge was completed in 1929.) It is the easternmost (farthest downstream) complete crossing of the Saint Lawrence.

The bridge accommodates three highway lanes (none until 1929, one until 1949, two until 1993), one rail line (two until 1949), and a pedestrian walkway (originally two); at one time it also carried a streetcar line.

It has been owned by the Canadian National Railway since 1993. The Quebec Bridge was designated a National Historic Site in 1995.

According to en.wikipedia


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