[Tagging] Non Proposed Features

[Nathan Edgars II]

On Mon, Aug 30, 2010 at 9:08 AM, M∡rtin Koppenhoefer
<dieterdreist at gmail.com> wrote:
> Can you show me the example? I don't understand "structure" and I
> would like to know, which kind of "way" it is (what are the other
> tags?).

http://www.openstreetmap.org/browse/way/48598384
If this was tagged culvert=yes rather than bridge=culvert, it wouldn't
be clear whether it's a bridge or tunnel.