[PBS NewsHour]

WATCH: This Super Strong Concrete Could Repair Aging Bridges. Here’s What’s Standing in the Way

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There’s a dire need to repair aging infrastructure in the U.S., and an innovative building material could be a game changer.

Embedded with steel fibers, ultra-high performance concrete is about five to 10 times stronger than standard concrete — and unaffordable for most government-funded projects.

PBS NewsHour special correspondent Cat Wise reports from Iowa on how researchers are working to bring costs down.