Typically, costs for installing a concrete access ramp fall between $1432 and $2377 and will vary with the size and features of construction as well as with your choice of finishes and landscaping elements.
Causes of Fingernail Ridges, Pitting and Curved Nails. 1  Longitudinal ridges (running from the cuticle to the free edge of the nail) may be due to aging and not a sign of any disease.  Nail beading, where the nail loses its smooth curvature, is also a normal part of aging.
The medical term used for toenails that are curved, ingrown or deformed is onychogryposis. Those who find that their toenails become thick and arched may well find that the tough toenail starts to cut into the area of skin at either side of the nail. If this happens, it can lead to complications because harmful bacterial may enter the punctured skin and cause inflammation.