lifting span

lifting span

English

Noun

lifting span (plural lifting spans)

  1. A span of a bridge that can be raised to allow boats and ships through; these can have different forms.
    • 1960 June, “New Lifting Bridge at Kings Ferry”, in Railway Magazine, page 388:
      The vertical lifting span is raised on four reinforced concrete piers which are some 130 ft. high. […] The lifting span, which rises vertically between the towers, weighs 465 tons and is counterweighted by four 110-ton weights.
This article is issued from Wiktionary. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.