Why do we need a Bridges?

Related questions

1. What is the purpose of a movable bridge?
2. Which truss bridge can hold the most weight?
3. Which bridge can hold the most weight?
4. What are the benefits of hydraulic bridge?
5. How do you make a bridge stronger?
6. What is special about Signature Bridge?
7. What is the strongest bridge design for Popsicle sticks?
8. How do you get your signature on a bridge?
9. Why is a truss bridge the strongest bridge?
10. Why is a signature bridge important?

Tags

1. #roads
2. #valleys
3. #walking
4. #built
5. #rivers
6. #railroad
7. #tracks
8. #bridges
9. #useful
10. #people
11. #cross
12. #another
13. #other
14. #allow
15. #vehicles
16. #structures
17. #crossing
18. #obstacle
19. #mostly