SINCE SB INLARGE THE PIC TO ME IT LOOK LIKE WHAT IS LEFT OF A OLD BRIDGE GOING OVER A BRANCH.IT LOOKS LIKE 2 POST THAT ARE BRIGHTER ALSO MUCH OF THE REST OF THE SHADOW IS A DROP OFF INTO THE CREEK WHERE THE ROAD STOPS AND THE BRIDGE AND CREEK ARE,THE CREEK GET WIDER THERE AND MAKE SOME TURN.IT IS HIGHER ON THE ROADBED SIDE THE CREEK SO IT WOULD NOT HAVE STUMBS IN THE ROAD