bowstring bridge

plural bowstring bridges

1. A tied-arch bridge, which has an upper arch tied to the bridge deck below.

   The last crossing, immediately short of Keswick station, is an inverted bowstring girder bridge with a skew span of 120ft.

   1961 October, Voyageur, “The Cockermouth, Keswick & Penrith Railway”, in Trains Illustrated, page 601

   1 more example

   On leaving the station, the line uses a new 'Bowstring' bridge to cross the actual Shoreditch High Street and join the old NLR viaducts to head north to Dalston.

   2020 May 20, Paul Bigland, “East London Line's renaissance”, in Rail, page 47