[Tagging] How to tag destroyed stuff?

[John Smith]

On 9 August 2011 11:51, Steve Bennett <stevagewp at gmail.com> wrote:
> There are two pedestrian/bicycle bridges in my area that were
> destroyed by a storm earlier in the year. What's the best way to tag
> them? Ideally, a renderer should be able to use the information to
> draw a big red X or something - there's quite a difference IMHO
> between absence of bridge and "there used to be a bridge, but it is
> currently out of action".

How is this fundementally different than any other disused bridge?