<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta content="text/html;charset=UTF-8" http-equiv="Content-Type"></head><body ><div style='font-size:10pt;font-family:Verdana,Arial,Helvetica,sans-serif;'>http://wiki.openstreetmap.org/wiki/Tag:man_made%3Dpipeline is not mentioning how pipeline bridges should be tagged.<br>I expect that it would be [man_made=pipeline, location=overground, bridge=yes, layer=*].<br>example: http://goo.gl/maps/nCtc2<br></div></body></html>