Select a deck in the drawing view.
The ribbon activates
Modification > Modify
Selected tab.
Select
(Modify Properties) on
the
Modify toolbar.
The Modify
Deck dialog appears populated with the selected deck properties.
Make changes to the enabled deck properties on
General tab.
You can alter the
Kind and and corresponding properties.
Open the Properties tab by clicking on respective deck type tab
(Steel ,
Concrete or
Composite, based on the type of deck selected)
and edit the proprieties listed there as needed.
When done with edits, click
Modify.
The changes are applied to the deck.