To modify the clearance height, location, and skew

Review and modify the clearance envelope height, location, and skew, and update the bridge's vertical profile.

1. Select the bridge to display the Bridge Asset Card
2. Under the Clearance tab, check Show Clearance Envelope.
   

   Note: The envelope is shown on your model as a purple box.
3. Click in the Utility Bar to enter Edit mode.
4. Click the Height field to input a new value.
   Note: The height of the clearance envelope is based upon road elevation, not terrain elevation.
5. To modify the location and skew of the clearance, click the value(s) next to Start Offset and/or End Offset, Base Elevation, or Skew. Input any desired value(s) then press Enter.
6. Right-click on the bridge and click Update Vertical Profile to enforce the new clearance height.