South Grand Island Bridge, Twin toll bridges in Tonawanda, United States.
The South Grand Island Bridge consists of two parallel steel truss structures running side by side across the Niagara River. The spans stretch roughly 1 kilometer (3,400 feet) between Tonawanda and Grand Island in western New York.
The southbound span opened in 1935 to handle growing traffic across the Niagara River. A second northbound span was added in 1962 as regional traffic continued to increase.
The bridge connects Grand Island residents with the mainland, enabling daily commuting and business travel across the region. It has become a routine part of how people move between these communities.
Vehicles pay tolls for crossing, with electronic collection systems processing traffic on the Tonawanda side. It is best to travel during lighter traffic periods to minimize waiting times at the crossing.
The bridge was built with a clearance height of about 93 feet (28 meters) to allow large cargo ships and tankers to pass underneath. This height was essential to accommodate maritime traffic on the Niagara River without obstruction.
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