Long-Sault Bridge, Interprovincial bridge between Hawkesbury, Ontario and Grenville, Quebec, Canada.
Long-Sault Bridge crosses the Ottawa River for about 650 meters, linking eastern Ontario to western Quebec with a concrete and steel structure. The design incorporates Chenail Island as a natural support point within the crossing.
An earlier crossing, the Perley Bridge built in 1931, served this route for over six decades before being replaced. This current bridge opened in 1998, providing a modern fixed crossing for the region.
The bridge carries Quebec Route 344 and Ontario Highway 34, so its name appears in two languages on the same crossing. It is the only fixed link over the Ottawa River between Ottawa and Montreal, which makes it a regular route for commuters and travellers moving between the two provinces.
This is the main vehicle crossing between the two provinces, so it can be busy during rush hours and weekends. The road stays open year-round, though winter weather can affect driving conditions.
The bridge is the only fixed crossing of the Ottawa River between Ottawa and Montreal, a fact most drivers crossing between Hawkesbury and Grenville never consider. Its 650-metre span passes over Chenail Island, which serves as a support point in the middle of the river.
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