Thousand Islands Bridge Thousand Islands Bridge The Thousand Islands International Bridge () is an international bridge system over the Saint Lawrence River connecting northern New York in the United States with southeastern Ontario in Canada. Constructed in 1937, with additions in 1959, the bridges span the Canada–US border in the middle of the Thousand Islands region. All bridges in the system carry two lanes of traffic, one in each direction, with pedestrian sidewalks. The bridge is managed by an American company. The actual international border bridge crossing is a set of two parallel long bridges between Wellesley Island in the United States and
Thousand Islands (Cocoa Beach) Several areas of the Thousand Islands were filled but not fully developed, leaving large areas of uplands. During the late 1960s Brevard County Mosquito Control began dredging the Thousand Islands south of Minutemen Causeway, resulting in conversion of salt marsh to upland dredge spoil with the state-owned C-34 impoundment. Native wetlands are dominated by red, black, and white mangroves. Succulent marsh contains saltwort, annual glasswort, perennial glasswort, sea blight, and shoreline seapurslane. The transition zone between salt marsh and upland is dominated by bushy seaside oxeye ("Borrichia frutescens" (L.) DC.) and buttonwood ("Conocarpus erectus" L.). Transition areas dominated by graminoid