"The economic stimulus package signed into law in February is sending $168 billion out to individuals to spend, in a best-case scenario, on new TVs and restaurant meals. That money could have bought a lot of concrete. While more funds are needed, how they’re spent is equally important. New information technology, fresh engineering and advanced materials can help us not just restore, but improve our infrastructure in the coming century. Planned and managed properly, next-gen projects can be smarter and more resilient than what came before. Engineers and construction workers know how to get the job done. But first, we must gather the national will."
Popular Mechanics has a series of articles on how to fix bridges, levees, ports, locks and the grid.