Pierre Laporte Bridge

Quebec City Quebec Quebec Bridge
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Pierre Laporte Bridge
LaPorte de Quebec (5802230245).jpg
Pierre Laporte Bridge (foreground).
Coordinates46°44′42″N 71°17′27″W / 46.74500°N 71.29083°W / 46.74500; -71.29083Coordinates: 46°44′42″N 71°17′27″W / 46.74500°N 71.29083°W / 46.74500; -71.29083
CarriesAutoroute 73
CrossesSt. Lawrence River
LocaleQuebec City and Lévis, Quebec
Official namePont Pierre-Laporte
DesignSuspension bridge
Total length1,041 m (3,415 ft)
Longest span667.5 m (2,190 ft)
No. of lanes6
DesignerDemers, Vaudry, Gronquist
Parsons Transportation Group
Construction cost$55 million CAD[1] (Approx. 420M$ in 2018)
Daily traffic122,000

The Pierre Laporte Bridge (French: Pont Pierre-Laporte) is the longest main span suspension bridge in Canada.[2] It crosses the Saint Lawrence River approximately 200 metres (660 ft) west (upstream) of the Quebec Bridge between Quebec City and Lévis, Quebec. It is the longest non-tolled suspension bridge in the world.[1]

It was originally named the New Quebec Bridge and was supposed to be called Pont Frontenac (Frontenac Bridge) until it was renamed in honour of Quebec Vice-Premier Pierre Laporte, who was kidnapped and murdered during the October Crisis of 1970 as construction of the bridge was nearing completion. The bridge was constructed for the Province of Quebec, Department of Roads in a joint venture with the private firm of Parsons Transportation Group.

It carries Autoroute 73, north from Autoroute 20, the Trans-Canada Highway, to Quebec City and Autoroute 40, and northwards towards Saguenay.



  1. ^ a b c "Pierre Laporte Bridge". Montreal Roads.
  2. ^ Although Île d'Orléans Bridge is over 4 km in total length, its longest suspended span is 323 m and its total suspended length is 677 m, less than Pierre Laporte's 1,041 meters full length.