Short Span

1. Click File.

2. Click New Design. 

3. Click Next on the next screen. 

4. Click Next on the next screen. 

5. Choose the Pratt Truss. 

6. Click Next.

7. Complete the Design By box with your names. 

8. Click Finish

9. In the Design Tools box select the click the "Draw a Joint." 

10. Go to the template of the bridge and place a joint on each circle.

11. In the Design Tools box click the members. 

12. Complete the design by adding the members. 

13. Test the Bridge.

Now go back and complete the Howe and Warren Truss Bridge.

Show the teacher when you complete each truss.