This tragedy shows the importance of inspection and cost of maintenance of infrastructure. In the U.S. there are approximately 600,000 highway bridges. It's estimated that a quarter of them are at their end-of-life mark…
This tragedy shows the importance of inspection and cost of maintenance of infrastructure. In the U.S. there are approximately 600,000 highway bridges. It's estimated that a quarter of them are at their end-of-life mark…