MSN | Commentary: Heavier trucks will damage bridges — Kevan Stone 

“The bridge analysis comes just as a major national organization has credited states with achieving a passable grade in ensuring the bridges’ safety but not making significant progress over the last four years. The American Society of Civil Engineers gave a grade of “C” to the overall condition of the nation’s bridges in their just-released report on infrastructure. That compares to a “C” four years earlier.

The ASCE says a grade of “C” means the bridge inventory is “mediocre, requires attention.” Specifically, the inventory overall is “in fair to good condition. It shows general signs of deterioration and requires attention. Some elements exhibit significant deficiencies in conditions and functionality, with increasing vulnerability to risk.”

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