swing bridge

noun2

1. •
   A movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its centre of gravity, about which the turning span can then pivot horizontally.

   • When the scheme is completed, the 99-year-old swing bridge over the canal will be dispensed with as the new bridge will have sufficient height to allow clearance for the passage of canal traffic. — 1954
2. •
   (New-Zealand) A rope bridge, or simple suspension bridge, which swings (oscillates) as pedestrians walk across.

   • Cross New Zealand's longest Swingbridge on the 110m long Buller Gorge Swingbridge, suspended 17 1/2 metres high above the mighty Buller River. — 2025