ABC Wizard or Create/Edit Bridge gets grayed out when information from any of the module updates the main LBC module.  One can edit the alignment, profile or the cross section using the Roadway Elements under the Selection tree from the Geometry tab:

• Expand Roadway Elements and toggle ON the Alignment, or Profile or the cross section you want to update.
• Change the geometry and click on green check mark (step # 4) to accept the changes