Statistics Canada
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Table 1
Average age of public infrastructure by province and type of infrastructure, 2007

  Highways and roads Bridges and overpasses Water supply systems Wastewater treatment Sewer systems Total
Years
Canada 14.9 24.5 14.8 17.8 17.9 16.3
Newfoundland and Labrador 16.4 20.9 14.3 17.6 20.9 17.2
Prince Edward Island 13.9 15.6 14.8 22.8 20.0 15.5
Nova Scotia 16.3 28.6 17.0 16.8 19.7 18.0
New Brunswick 15.2 21.2 16.7 18.4 18.4 16.9
Quebec 15.2 31.0 18.5 19.1 18.1 17.2
Ontario 13.9 24.1 13.1 16.9 18.3 15.4
Manitoba 17.1 22.4 15.3 18.5 17.3 17.7
Saskatchewan 16.7 23.3 15.1 17.6 20.5 17.6
Alberta 14.4 23.0 14.0 17.7 16.3 15.6
British Columbia 15.8 23.0 11.4 17.2 16.9 16.3
Source: Statistics Canada, special tabulation, Investment and Capital Stock Division.