I'm surprised that no one has suggested just selling the property because it is so little used. Let the next guy deal with the aggravation of permitting and building a new bridge, take the money and do something fun with it. I assume you are hanging onto the property for sentimental reasons rather than some actual usefulness.
I have been advising all of my friends over 70 to start now getting rid of of the mountain of stuff they have accumulated over the years. Later on it will become more difficult and will just complicate your life rather than enhance it. All you need in old age is health, food and enough money to live comfortably. A mountain of shit in the basement, attic, garage or storage building will just be an impediment. Speaking from experience at age 85...