SMRTR Science & EngineeringOct 7, 2025Daily.dev

One startup’s paper-thin stainless steel could change how bridges are built

SMRTR summary

Startup Allium Engineering has developed a solution to bridge corrosion by coating regular steel rebar with paper-thin stainless steel layers, extending bridge life from 30 to 100 years at costs comparable to current epoxy coatings. This innovation addresses the $400 billion bridge repair crisis caused by rust, with successful installations already completed in California and planned for Massachusetts.

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