Type 1
Define the PSC (prestressed/post-tensioned concrete) Box section by entering the appropriate dimensions.
MSS Bridge Wizard Section dialog box (Type 1)
Section Type
1 Cell
No interior web is present.
2 Cell
A single interior web partitions the PSC box.
Center
Mid-span section
Joint
Mid-span section
Diaphragm
Diaphragm section
H1, H2, …, H10, B1, B2, …, B10, T
Referring to the guide diagram, enter the required dimensions.
View Option
Bitmap
The dimension guide diagram is displayed in the dialog box.
Drawing
Using the dimensions, the section is displayed in the dialog box to a true scale.
Update
If Drawing is selected, the section is regenerated to reflect the revised dimensions.
Type 2
When Type 2 is selected, this tab allows the user to define Sections for Center, Joint and Diaphragm by importing previously defined Sections. When Type 1 is selected, 1 Cell and 2 Cell Sections can be defined. When Type 2 is selected, multi-Cell Sections can be defined..
MSS Bridge Wizard Section dialog (Type 2)
H1, H2, …, H10, B1, B2, …, B10, T
User Define
Center
Select a Section previously defined by the user for Center. If a Section has not been defined, click 
to define a Section.
Joint
Select a Section previously defined by the user for Joint.
Diaphragm
Select a Section previously defined by the user for Diaphragm.
Update Display
Display the updated Section configuration.
In MSS method, Tapered Section cannot be defined and the Section must have the same configuration.