Four O'Clock Factoid is a daily feature on Track Twenty-Nine helping to get you through the workday with a bit of useless knowledge.
The longest cantilever span in the world spans the Saint Lawrence River near Charny, Quebec and is known as the Quebec Bridge. It is the most downstream crossing of the Saint Lawrence River and is owned by Canadian National Railway. It carries three lanes of auto traffic in addition to a pedestrian walkway. Via Rail Canada's Corridor trains traverse the bridge en route to Quebec City's Gare du Palais.