List of longest suspension bridge spans
History of longest suspension spans

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Bridge
Location
length m (ft)
Year(s) of longest span
Notes
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Maya Bridge at Yaxchilan
Mexico
62 m (203 ft)
600–1430
Hemp-rope simple suspension footbridge. Existence unproven.
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Chakzam Bridge
Tibet
137 m (449 ft)
1430–1820
Chain suspension footbridge south of Lhasa, built by Thangtong Gyalpo. Reported by British spies to still be in use in 1878.
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Union Bridge
Scotland - England, UK
137 m (449 ft)
1820–1826
The oldest in the world still in use today.
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Menai Suspension Bridge
Wales, UK
176 m (577 ft)
1826–1834
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Great Suspension Bridge
Fribourg, Switzerland
271 m (889 ft)
1834–1849
The bridge was replaced by the Zähringen Bridge [de] in the 1920s.
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Wheeling Suspension Bridge
West Virginia, US
308 m (1,010 ft)
1849–1866
The longest deck span from 1849 until 1866, and the oldest vehicular suspension bridge in use in the United States.
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Queenston-Lewiston Bridge
US and Canada
317 m (1,040 ft)
1851–1866
The longest cable span from 1851 until it was destroyed by wind in 1864. However, the road deck span was only 258 meters long.
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John A. Roebling Suspension Bridge
Kentucky - Ohio, US
322 m (1,056 ft)
1866–1869
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Niagara Clifton Bridge
US and Canada
384 m (1,260 ft)
1869–1883
Replaced in 1899.
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Brooklyn Bridge
New York City, US
486 m (1,594 ft)
1883–1903
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Williamsburg Bridge
New York City, US
488 m (1,601 ft)
1903–1926
It was the longest suspension span but not the longest span of all bridges. The Forth Railway Bridge, completed in 1890, a cantilever bridge with two spans of 521 m was longer until surpassed by the Quebec Bridge in 1917.
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Bear Mountain Bridge
New York, US
497 m (1,631 ft)
1924–1926
It was the longest suspension span but not the longest span of all bridges. The Quebec Bridge completed in 1917, a cantilever bridge with a span of 549 m was longer until surpassed in 1929 by the Ambassador Bridge.
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Benjamin Franklin Bridge
Pennsylvania - New Jersey, US
533 m (1,749 ft)
1926–1929
It was the longest suspension span but not the longest span of all bridges.
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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.
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George Washington Bridge
New York - New Jersey, US
1,067 m (3,501 ft)
1931–1937
The first span longer than 1 km.
Golden Gate Bridge Clear.JPG
Golden Gate Bridge
California, US
1,280 m (4,200 ft)
1937–1964
Also the longest bridge span in the world from 1937 to 1964
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Verrazzano-Narrows Bridge
New York City, US
1,298 m (4,259 ft)
1964–1981
Also the longest bridge span in the world from 1964 to 1981
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Humber Bridge
Yorkshire, United Kingdom
1,410 m (4,630 ft)
1981–1998
Also the longest bridge span in the world from 1981 to 1998
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Akashi-Kaikyo Bridge
Japan
1,991 m (6,532 ft)
1998–Present
The longest bridge span in the world since 1998

Question: When was Bear Mountain Bridge the longest suspension bridge and which bridge surpassed it?
Answer: From the time of Bear Mountain Bridge's completion in 1924, it held the record for the longest suspension bridge until it was surpassed by the Benjamin Franklin Bridge.