Index: trunk/data/validator/geometry.mapcss
===================================================================
--- trunk/data/validator/geometry.mapcss	(revision 7977)
+++ trunk/data/validator/geometry.mapcss	(revision 8089)
@@ -196,2 +196,11 @@
   throwWarning: tr("{0} must be connected to a way", "{1.tag}");
 }
+
+/*see #11127*/
+way[railway][bridge] > node,
+way[highway][bridge] > node {
+  set node_in_bridge;
+}
+way[waterway] > node.node_in_bridge {
+  throwWarning: tr("node connects waterway and bridge");
+}