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Holly Arthur
Vice President, Communications

Erik Rancatore
Director, Content Development

September 11, 2017

Cement to See Increased Demand Due to Auto Travel, Population Growth

As Many as 81,200 New Bridges Needed by 2040

Sept. 11, 2017, Washington, D.C. — An increase in the number of both automobile drivers and vehicles on the road is expected to help drive increased cement consumption for new bridges over the next 25 years, according to a new report from the Portland Cement Association (PCA).  PCA analysts estimate the U.S. will need as many as 140,000 new bridges by 2040, nearly 60 percent or 81,200 of which will be made using cement.

“With more people on the roads, existing bridges will increasingly become chokepoints,” said PCA Chief Economist and Senior Vice President Ed Sullivan. “As a result, more cement will be needed either to build new bridges or to add lanes to existing ones.”

According to the study, over the next 25 years:

  • Baseline population is expected to increase by 59 million people, a 17.4 percent increase.
  • Licensed drivers are projected to grow by nearly 40 million.
  • The number of vehicles on the road will rise by nearly 53 million.
  • The total annual vehicle miles travelled is projected to grow by 600 billion miles.

As a result, the number of bridge crossings are expected to increase from 733 billion in 2015 to nearly 867 billion in 2040.

To meet this demand, PCA expects cement consumption in the bridge sector to average 6.2 million metric tons annually during 2017-2040.  This compares to an average on 5.9 million metric tons during 2010-2016.

According to Sullivan, the overwhelming percentage of bridge cement consumption today is attributed to bridge expansion (81 percent), compared to bridge replacement (14 percent) or rehabilitation (5 percent). While nearly 57,000 bridges need repair or rehabilitation according to the American Society of Civil Engineers, they reflect less than 10 percent of all bridges in the U.S., and that percentage is expected to shrink to less than 3 percent over the next 25 years. As a result, by 2040, 92 percent of bridge cement consumption will be for bridge expansion.

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For more information: Holly Arthur, 202-719-1979.

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