The post discusses a startup's innovation in creating longer-lasting bridges using corrosion-resistant steel, specifically coated rebar. User comments raise concerns about the practicality and effectiveness of this solution, drawing attention to the costs and potential drawbacks compared to existing methods of rebar protection. Issues such as welding difficulties, the necessity of maintaining the integrity of stainless steel coatings, and historical challenges with similar technologies are highlighted. Furthermore, comparisons to alternative materials and methods, such as basalt rebar and self-healing cement, emphasize the ongoing search for effective solutions to corrosion in construction. Overall, while the innovation presents a promising breakthrough, its implementation raises questions about feasibility and cost-effectiveness in the construction industry.