Swing Bridge, Lock And Walls Of North End Of Dock

SUNDERLAND

NZ4157 HUDSON DOCK NORTH 920-1/13/118 (North side) 26/11/90 Swing-bridge, lock and walls of north end of Dock

GV II

Also known as: Gladstone Bridge HUDSON DOCK. Swing-bridge with walls, abutments and lock. c1875. For the River Wear Commissioners. Hydraulic machinery by Sir W Armstrong & Co., Elswick. Ashlar walls and abutments; steel lock gate, replaced 1955; riveted steel girder bridge, known as Hog-back bridge, the E end within a curved stone wall and the W end lying against an extension of that wall when the bridge is open to dock. When the bridge is closed to the dock, forming a roadway across the north end, the west end of the bridge rests on a stone abutment. Driven by engines and accumulator housed in the adjacent dock office (qv), now used as various offices. Shown on 1875 official plan of docks. An early example of a swing-bridge and of the hydraulic technology invented and developed by Sir William Armstrong. (Sinclair NT: Railways of Sunderland: Newcastle upon Tyne: 1986-: 60 (MAP)).

Listing NGR: NZ4102357695