https://communities.bentley.com/products/bridge_design___engineering/f/bridgemaster-lars-leap-openbridge-rm-forum/214397/steel-diaphragmI am modeling a prestressed concrete bridge with steel diaphragms NOT concrete but when i tried to place the steel diaphragms that&#39;s under the &quot;Place Cross Frame&quot; tool is not even letting me click on it. It is deactivated. Has anyone encountered thisen-USTelligent Community 12https://communities.bentley.com/thread/651895?ContentTypeID=1Wed, 26 May 2021 11:10:48 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:d9fba8eb-79bb-4a0a-9e8f-bbd3f316cd27Vlad Grigoras<p>Hi Elsy,</p> <p>You can&#39;t use a tool that is designed to work for steel bridges in a workflow of modeling concrete bridges. The option to model steel cross frames on concrete bridges will be available in the next releases of OBM (very soon).</p><div style="clear:both;"></div>