Startup enables 100-year bridges with corrosion-resistant steel
- Allium Engineering, founded by two MIT alumni, has developed a process for improving steel rebar to triple the lifetime of bridges and other infrastructure.
Zach Winn, MIT News
Publication Date: May 21, 2025
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Now Allium Engineering, founded by two MIT PhDs, is tripling the lifetime of bridges and other structures with a new technology that uses a stainless steel cladding to make rebar resilient to corrosion. By eliminating corrosion, infrastructure lasts much longer, fewer repairs are required, and carbon emissions are reduced. The company’s technology is easily integrated into existing steelmaking processes to make America’s infrastructure more resilient, affordable, and sustainable over the next century.
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Allium is also experimenting with other cladding materials and composites. Down the line, Jepeal sees Allium’s tech being used for things beyond rebar like train tracks, steel beams, and pipes. But he stresses the company’s focus on rebar will keep it busy for the foreseeable future.
“Almost all of our infrastructure has this corrosion problem, so it’s the biggest problem we could imagine solving with our set of skills,” Jepeal says. “Tunnels, bridges, roads, industrial buildings, power plants, chemical factories — all of them have this problem.”
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Considering that the Gooferment is up to “its elbows” in bridge construction, it’s no wonder that the bridges are falling down. If an entrepreneur was “selling bridges”, then we would have bridges that would last virtually forever. But politicians and bureaucrats have no incentive to solve the problems of the world.
Argh!
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