The Bridge Authority is a member of the multi-state E-ZPass consortium, and introduced electronic toll collection in June 2019.

The Canada border station of Lansdowne is sometimes called Gananoque, for the nearby town where international ferry service is provided.

The entire Thousand Islands Bridge system took sixteen months to build, beginning with a ground-breaking on April 30, 1937.

[9] Completed ten weeks ahead of schedule, the bridges opened on August 18, 1938, with the ribbon cut by President Franklin D. Roosevelt and Prime Minister William Lyon Mackenzie King.

Shortly after opening, the bridge displayed aerodynamic oscillation problems that were quickly corrected via structural upgrades.