Sites and Monument Record: Swing Bridge, Grangemouth Docks (SMR 177)

Opened 1906 by the Caledonian Railway, D A Mathieson, engineer, Motherwell Bridge & Engineering Co Ltd, contractors. Single-span bowed steel Pratt truss bridge, hydraulically operated, with timber deck and inset railway track. Trusses linked at top by three light lattice girders. Wooden control tower with extensive glazing and external stair, in railway signal box style, and lattice-post signal controlling approach to bridge.
Apart from Victoria Bridge, Leith Docks, it is the only swing bridge of its type to survive in Scotland. Span 161 feet, weight of span 165 tons.
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NS 933 826
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