[Tagging] How to start?

[Nathan Edgars II]

On Fri, Sep 17, 2010 at 4:46 AM, M∡rtin Koppenhoefer
<dieterdreist at gmail.com> wrote:
> I also found recently information attached to a bridge (in a more
> technical and less representative way), actually a really small
> pedestrian bridge:
> http://www.23hq.com/dieterdreist/photo/5953091
> http://www.23hq.com/dieterdreist/photo/5953084
>
> Sorry that they are hard to read due to reallife tagging ;-)
>
> is there anyone already tagging these? If you use ref for these
> number, how would you distinct them from ref on the street? Maybe I
> should use ref:bridge for them?

I use bridge_number since that's what I've called them outside OSM.