The Cobweb Bridge is closed due to an arson attack in August, I don't think there's any info on a reopening date. I don't know how to mark it as closed on the map, it would be good if route planners can know to avoid it.

Source: https://sheffnews.com/news/cobweb-bridge-on-five-weirs-walk-closed-due-to-vandalism-and-diversions-in-place