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For medium-length spans (those between 500 and 2,800 feet), cable-stayeds are fast becoming the bridge of choice. Compared to suspension bridges, cable-stayeds require less cable, can be ...

The first iron suspension bridge was built in 1819, across the Tweed, at Berwick-on-Tweed, by Captain Sir Samuel Brown. It was supported by chain cables, six 02a a side, and its span was 449 feet.

The team also stays abreast of new technological advancements to see how to better support the Verrazzano- Narrows Bridge. Most recently, they implemented cable dehumidification to preserve the ...