1. Project-Based Learning: Bridge Building and Design
Photo by: Doug Porter

2. Contact Information
Doug Porter
Ohio County Elementary Middle School
S. Mulberry Street
Rising Sun, IN
Web Site:

3. Project-Based Learning
Hands-on Discovery Learning
Application of Science Concepts
Develops an Interest in Science
Produces a Learning Artifact

4. The Bridge Building Project
So Many Types of Bridges
How Do Bridges Work ?
Designing Your Own Bridge
Constructing Your Own Bridge

5. Bridge Types
PBS.ORG
PBS.ORG
PBS.ORG
PBS.ORG

6. Arch Bridge
PBS.ORG
Roman Aqueduct

7. Beam Bridge
PBS.ORG

8. Suspension Bridge
PBS.ORG
PBS.ORG
Golden Gate Bridge

9. Cantilever Truss Bridge
PBS.ORG
Firth of Forth Bridge

10. Local Bridges Can you determine the bridge type?
Look at the next few slides and see
what types you think they are.
Photos By: Doug Porter

11. Bebb’s Park Bridge Butler County, Ohio
It’s hard to tell what type this bridge is from this angle
but click again to see the structure from inside.
Photo By: Doug Porter

12. Bebb’s Bridge Structure
So what type is this?
If you guessed
It’s a truss bridge
You’re right.
Photo By: Doug Porter

13. Lost Bridge, ElizabethTown, Ohio
What type do you think this is?
If you guessed Beam Bridge
you were right.
Photo By: Doug Porter

14. John A. Roebling Bridge Cincinnati, Ohio
Photo By: Doug Porter

15. John A. Roebling Bridge Cincinnati, Ohio
Long cables suspended between pillars tell you it is a?
Photo By: Doug Porter

16. John A. Roebling Bridge Cincinnati, Ohio
Long cables suspended between pillars tell you it is a?
Suspension Bridge
Photo By: Doug Porter

17. Historic George Street Bridge Aurora, Indiana
Photo By: Doug Porter

18. Historic George Street Bridge Aurora, Indiana
You have seen this bridge many times
before, now you know what it is.
Photo By: Doug Porter

19. Historic George Street Bridge Aurora, Indiana
It’s a truss bridge.
Also known as a
Whipple truss.
You have seen this bridge many times
before, now you know what it is.
Photo By: Doug Porter

20. I-275 Bridge Lawrenceburg, Indiana
Now it is your turn to design a truss bridge.
As you can see bridges are everywhere
and are extremely important in our lives.
Good luck and have fun.
Photo By: Doug Porter