To display or hide bridge components
Use the right-click context menu to control the display of abutments, foundations, piers, girders, the bridge deck, and the roadway surface.
Select a bridge.
Right-click, and expand the Component Display section in the context menu.
Checkmark the bridge components that you want to display in your model. Uncheck any layers that you want to hide.
Tip: Press T on your keyboard to quickly show/hide bridge components using the component display options you specified in the right-click context menu.