Comment by dtgriscom
The article lists a "Snake Bridge on the Macclesfield Canal". Here's a spiral bridge on that canal, but not the same one:
https://www.google.com/maps/place/Spiral+Bridge/@53.2849203,...
https://www.google.com/maps/place/Spiral+Bridge/@53.2850202,...
There are 2 in quick succession in Marple ([1] and [2]), very near the Marple Lock Flight ([3]). This happens to be at the very start of Macclesfield Canal.
[1] https://maps.app.goo.gl/tYBvtfJwSSo6nBm29
[2] https://maps.app.goo.gl/nYoCxPmDRpM9ADfFA
[3] https://en.wikipedia.org/wiki/Marple_Lock_Flight