This may have been Muskrat Susie or Muskrat Sam. We can’t tell from this angle.
It may very well have been muskrat love that drove this guy/gal into the roadway.
TIDBIT: Muksrats have webbed hind feet that act as paddles and a tail that acts as a rudder. They can swim at a speed of up to 3 miles per hour and can even swim backwards.