transporter bridge

transporter bridge (plural transporter bridges)

1. A type of movable bridge that carries a segment of suspended roadway across a river.
   • 1959 October, Norman Jones, “The Manchester Ship Canal Railway”, in Trains Illustrated, page 490:

     The most striking feature at Runcorn is the well-known transporter bridge, a suspended car which carries road traffic across both the River Mersey and the Manchester Ship Canal.