Why do bridges have cables?

Related questions

1. What is the main purpose of bridge?
2. Why is a truss bridge the strongest bridge?
3. What are the benefits of hydraulic bridge?
4. Which bridge can hold the most weight?
5. What is the strongest truss bridge design?
6. How do you make a bridge stronger?
7. What is the longest cable stayed bridge in the world?
8. What is the strongest bridge design for Popsicle sticks?
9. What is a cable stayed bridge made out of?
10. Why is a signature bridge important?

Tags

1. #cables
2. #ground
3. #transfer
4. #transferred
5. #towers
6. #which
7. #weight
8. #suspended
9. #bridge