About

The Thousand Islands Bridge serves as a vital connection between Canada and the United States, stretching across the scenic Thousand Islands region. Opened in 1938, this five-span structure links Interstate 81 in the U.S. with Route 401 in Canada, facilitating international travel and commerce. Known informally as the “International Bridge,” it stands as both a practical route and a symbol of cross-border cooperation.

Located in the municipality of Leeds and the Thousand Islands, within the county of Leeds and Grenville, Ontario, the bridge lies precisely within the coordinates of the two-minute box at 44°22′ latitude and 75°58′ longitude. Its strategic position in this picturesque region makes it not only an essential infrastructure piece but also a significant landmark for locals and travelers alike.

Island or Feature Name
Thousand Islands Bridge

Nationality
Canada

Centroid Lat/Long

Two-Minute Box
44^22′ x 75^58′

Location and description
Opened in 1938, this five-span link connects I-81 in the US to Route 401 in Canada

Former, informal, or alternate names
“International Bridge”

Municipality
Leeds and Thousand Is.

County
Leeds and Grenville

Province / State
ONT

Ports?

Book refs

1000islands.co ID #
1219

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Data source.