1. Bridges

2. What is a bridge? A bridge is a structure built
to span physical obstacles,
such as rivers, valleys, or roads,
for the purpose of providing passage over the obstacle.

3. History History The first bridges were made by nature itself.
The first bridges made by humans were probably spans of cut wooden logs and eventually stones.

4. World first bridges aren’t built they are grown in India.
Nature's incredible engineering: some
of the bridges can
hold more than 50 people at a time. .

5. Types of bridges Beam bridge Truss bridge Suspension bridge
Arch bridge
Cable-stayed bridge
Cantilever bridge
Tied arch bridge

6. Beam Bridges
are horizontal beams supported at each end by substructure unites. They are the simplest and most inexpensive kind of bridges.

7. Arch bridge The arch bridge is used for heavy weight objects.
Arch bridge is one of the oldest one.

8. Truss Bridge
is a bridge whose load-bearing structure is composed of a truss. This truss is a structure of connected elements forming triangular units.

9. Cantilever Bridges
are built using cantilevers -horizontal beams supported on only one end. They usually use a pair of spans.

10. Suspension Bridges
are suspended from cables. The earliest bridges were made of ropes or vines. In modern bridges, the cables hang from towers. Suspension bridges are far longer than any other kind of bridges.

11. Cable-Stayed Bridge
is a bridge design which uses large steel cables suspended from high towers or pylons to support the bridge deckling.

12. The bridge of Immortals, Huanghsan, China

13. Bridges of Sighs in Oxford and in Venice

14. Bridge to Nowhere, New Zealand

15. The Storseisudent Bridge, Norway (The drunk bridge)

16. It looks as it is more a diving board than a bridge, but it is an optical illusion.

17. Even when you can see the whole bridge it still looks scary.

18. Types by use Car Traffic - Double-decked - Pipelines
Pedestrian Viaducts Train bridge

19. The Banpo Fountain Bridge, South Korea
It was opened in It is in the Guinness Book of World Records as the longest bridge fountain.

21. Millau Viaduct, France
This bridge is in the Guinness Book of World Records for being the tallest bridge in the world.

22. Siduhe Bridge (The Si Du River Bridge)
It is the highest bridge in the world (472m). It was opened in 2009.

23. Danyang-Kunshan Grand Bridge, China
It is the world’s longest bridge. It is high-speed railway in
China (164,8 kilometers long)

24. Langkawi Sky Bridge, Malaysia
It is a pedestrian bridge (2,300 ft above sea level).
It gives tourists the opportunity to view some of the most beautiful sights of the Malaysian mountains and rainforests.

26. Helix Bridge, Singapore
It was designed to look like the structure of DNA. It was opened in 2010.

27. Webb Bridge, Australia
It is a pedestrian/cycle bridge over the Yarra river, in Melbourne.
It was opened in 2007.

28. The Falkirk Wheel, Scotland
It was opened in This is the world’s first and only boat lift!

29. Henderson Waves Bridge, Singapore
The bridge was opened in It is the highest pedestrian bridge in Singapore.

30. Khaju Bridge, Iran
It was built by the Persian King, Shah Abbas II, in the 17th century.

31. Chengyang Bridge, China
It was built in 1916 without a single nail.

33. Moses Bridge, Netherlands
was built in the 17th century.
It was made invisible to its enemies.

35. Tower Bridge, England
In the 19th century, London Bridge was the only way of crossing the Thames river.

37. Quiz Question 1 Which type of bridge is the cheapest? Beam Arch
Cable-stayed
Suspension
Question 2
What is the tallest bridge in the world?
Millau Viaduct, France
Langkawi Sky Bridge, Malaysia
The Si Du River Bridge

38. Identify these bridge types
Suspension bridges
Arch bridges
Beam bridges
Cable-stayed bridges

39. Suspension bridges
Arch bridges
Beam bridges
Cable-stayed bridges

40. Suspension bridges
Arch bridges
Beam bridges
Truss bridges

41. Suspension bridges
Arch bridges
Beam bridges
Cable-stayed bridges

42. Suspension bridge
Arch bridge
Beam bridge
Cable-stayed bridge

44. Thanks for your attention!
Somebody said: A smile is the bridge that put together two souls