The past 12 months have been busy. Here's a numerical look back at what happened.
98 The age of Darwin Colby, the last known surviving Hoover Dam construction worker when he passed away on Nov. 12.
53 million email addresses were stolen in the Home Depot data breach.
4 minutes: The length of this time lapse video that showcases the 42,000 hours of work on the San Francisco-Oakland Bay Bridge construction project.
37 The number of states that added construction jobs between October 2013 and October 2014, according to Associated General Contractors.
58 2014 marked 58 years of Concrete Construction publication.