1. England, 1820

2. Brighton Chain Pier, 1830s

4. Menai Strait Suspension Bridge, 1826

5. Robert Stephenson

6. Britannia Tubular Bridge

9. John A. Roebling

10. “storms are unquestionably the greatest enemies of suspension bridges.” --John Roebling 1841

12. What made the Niagara Bridge work for railway traffic? “Weight, Girders, Trusses, and Stays” --John Roebling, Final Report (1855)

14. --Robert Stephenson to John Roebling “If your bridge succeeds, mine is a magnificent blunder”

16. Cincinnati- Covington (Ohio River) Bridge

17. Brooklyn Bridge, 1883

19. Williamsburg Bridge, 1903

21. Ben Franklin Bridge

24. Thousand Islands Bridge

25. Deer Isle Bridge

26. Bronx-Whitestone Bridge

29. Tacoma Narrows Bridge

32. Lessons Learned wind is the enemy of suspension bridges unstiffened decks are vulnerable to the wind

33. Tacoma Narrows Bridge

34. Mackinac Straits Bridge

35. Akashi Kaikyo Bridge

36. Severn Bridge

40. “Progress, far from consisting in change, depends on retentiveness....

41. “Those who cannot remember the past are condemned to repeat it.” --George Santayana

42. Dee Bridge, 1847

43. Tay Bridge, 1879

44. Quebec Bridge

46. Milford Haven Bridge

48. A major failure every 30 years 1847 - Dee Bridge, trussed girder 1879 - Tay Bridge, truss 1907 - Quebec Bridge, cantilever 1940 - Tacoma Narrows Bridge, suspension 1970 - Milford Haven Bridge, steel box girder 2000 –London Millennium Bridge, pedestrian 2030 - ?

50. Dong Ting Lake Bridge

51. Clearwater Bridge