Lydney Harbour Swing Bridge
in Lydney, Glos.
This is small cable-stayed manually-turned swing bridge.
Grade II listed. Historic England entry here.
Geograph photo [ttps://www.geograph.org.uk/photo/5758225 here] (1992) and here (2015, when bridge had been removed for restoration).
The major restoration work was undertaken by Mabey Bridge. See here. The cast iron kingposts were retained.