Up Next
Back to Show
PBS News Hour
U.S. needs safer bridges. Super strong concrete could help
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. Special correspondent Cat Wise reports from Iowa on how researchers are working to bring costs down.
Support Provided By
57:46
December 1, 2025 - PBS News Hour full episode
24:09
November 30, 2025 - PBS News Weekend full episode
24:09
November 29, 2025 - PBS News Weekend full episode
57:46
November 28, 2025 - PBS News Hour full episode
57:46
November 27, 2025 - PBS News Hour full episode
57:46
November 26, 2025 - PBS News Hour full episode
57:46
November 25, 2025 - PBS News Hour full episode
57:46
November 24, 2025 - PBS News Hour full episode
26:45
November 23, 2025 - PBS News Weekend full episode
26:45
November 22, 2025 - PBS News Weekend full episode
57:46
November 21, 2025 - PBS News Hour full episode
57:46
November 20, 2025 - PBS News Hour full episode