Table 3  Average age of public infrastructure as a percent of useful life by province and type of infrastructure, 2007

 

Highways and roads

Bridges and overpasses

Water supply systems

Wastewater treatment

Sewer systems

 

percent

Canada

53

57

40

63

53

Newfoundland and Labrador

58

48

39

62

62

Prince Edward Island

49

36

40

81

60

Nova Scotia

58

66

46

60

59

New Brunswick

54

49

45

65

55

Quebec

54

72

50

68

54

Ontario

49

56

36

60

54

Manitoba

61

52

42

66

51

Saskatchewan

59

54

41

62

61

Alberta

51

53

38

63

49

British Columbia

56

53

31

61

50

Source: Statistics Canada, special tabulation, Investment and Capital Stock Division.