As bridges across the United States keep aging and deteriorating, we’re at the turning point of what will happen in the ...

That's where the salt hits it most ... the lifespans of bridges, saving money and ensuring safety and convenience for future generations. The Problem with America's BridgesThere are about 473,440 ...

The Problem with America's BridgesThere are about 473,440 bridges across the country ... problem of 'How do you do the job for the most people who are using the road system at the same time?'" ...