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It was the longest suspension span but not the longest span of all bridges. Ambassador Bridge US and Canada: 564 m (1,850 ft) 1929–1931: Since this bridge was built, the record for longest bridge span has only been held by suspension bridges. George Washington Bridge: New York – New Jersey, US: 1,067 m (3,501 ft) 1931–1937
Denenberg, David, Bridgemeister.com (an extensive inventory of more than 8,400 suspension bridges) Janberg, Nicolas, Suspension bridges, Structurae.de (an extensive database of structures including many suspension bridges) Durkee, Jackson, "World's Longest Bridge Spans", National Steel Bridge Alliance, 24 May 1999 (out of date)
It spans the Straits of Mackinac, a body of water connecting Lake Michigan and Lake Huron, two of the Great Lakes. Opened in 1957, the 26,372-foot-long (4.995 mi; 8.038 km) [1] bridge is the world's 27th-longest main span and is the longest suspension bridge between anchorages in the Western Hemisphere. [5]
Span Length Type Carries Crosses Opened Location State Ref. 1: Tacoma Narrows Bridge (1940) collapsed in 1940: 853 m (2,800 ft) 1,810 m (5,940 ft) Suspension Steel girder deck, steel pylons 2 lanes 335+853+335
The main span is the longest span without any ground support. Note : There is no standard way to measure the total length of a bridge. Some bridges are measured from the beginning of the entrance ramp to the end of the exit ramp.
The bridge has a central span of 4,260 feet (1.30 km; 0.81 mi). It was the longest suspension bridge in the world until it was surpassed by the Humber Bridge in the UK in 1981. The bridge has the 18th-longest main span in the world, as well as the longest in the Americas.
It was also the longest suspension bridge in the world at the time of its opening, with a main span of 1,595.5 feet (486.3 m) and a deck 127 ft (38.7 m) above Mean High Water. The span was originally called the New York and Brooklyn Bridge or the East River Bridge but was officially renamed the Brooklyn Bridge in 1915.
Until 1964, the Golden Gate Bridge had the longest suspension bridge main span in the world, at 4,200 feet (1,280 m). Since 1964 its main span length has been surpassed by eighteen bridges; it now has the second-longest main span in the Americas, after the Verrazzano-Narrows Bridge in New York City.