if the highway maintain the road then it is adopted. That means the local authority have ownership of the road and the responsibility of maintaining it.
so 1) yes, 2) it's unlikely to still be your land, it probably was originally before the road was adopted.
If you are refering to "Deeds" as in the original documents for the house then they have almost certainly been superceded by the land registry entry and represent no more than a historical curiosity. You can check the land registry for your house here for �3:
http://www.landregisteronline.gov.uk/