The Trump administration's proposed 1,000-mile US-Mexico border wall would cost at least $25 billion and take an estimated 10,000 construction workers more than a decade to build, says construction expert Ed Zarenski, who says the proposal as it stands is "probably not" realistic from an engineering perspective. Even if it were, the wall would still be too small to economically benefit the US steel industry.
Sign up for AGC SmartBrief
News and information for general contractors
Get the intelligence you need: news and information that is changing your industry today, hand-curated by our professional editors from thousands of sources and delivered straight to your inbox.