WASHINGTON - More than 70,000 bridges across the country are rated structurally deficient like the span that collapsed in Minneapolis, and engineers estimate repairing them all would take at least a generation and cost more than $188 billion.
That works out to at least $9.4 billion a year over 20 years, according to the American Society of Civil Engineers.
Separately, the Federal Highway Administration has said addressing the backlog of needed bridge repairs would cost at least $55 billion. That was five years ago, with expectations of more deficiencies to come....