Balgzandbrug or Amsteldiepsluis, with bridge abutments wider than necessary (right), The narrow bridge (centre) is from 1990, while the left bridge has parts from 1929. There would have been room for a railway in place of the centre bridge.
Image by Dolfy, CC-BY-SA, https://commons.wikimedia.org/wiki/File:Amsteldiepdijk_sluis.jpg