The historic floodwaters that raged through Yellowstone this week, tearing out bridges and pouring into nearby homes, pushed a popular fishing river off course and may force roadways nearly torn away by torrents of water to be rebuilt in new places.

The historic floodwaters that raged through Yellowstone this week, tearing out bridges and pouring into nearby homes, pushed a popular fishing river off course and may force roadways nearly torn away by torrents of water to be rebuilt in new places.