BY GEOFF FOX
Over the course of this winter, the 80-plus year old U.S. 522 Bridge over the Potomac River, connecting Maryland and West Virginia, has been pocked with a wide variety of potholes ranging from small and shallow to medium and deep.
Potholes are formed when moisture seeps into tiny crevices in pavement, both asphalt and concrete.
That moisture collects and freezes, causing the pavement to expand. The weight of the traffic puts pressure…
