Which state is home to the road in northeastern Clark County which serves the oldest state park?
Valley of Fire Road The Valley of Fire Road (also called the Valley of Fire Highway) is a road in northeastern Clark County, Nevada serving the Valley of Fire State Park. The roadway was previously designated State Route 40 (SR 40), and the segment within the state park is currently designated a Nevada Scenic Byway.
Point Douglas–St. Louis River Road Bridge The Point Douglas–St. Louis River Road Bridge is the oldest known stone arch bridge in the state of Minnesota, built in 1863. It was constructed in Stillwater Township to carry the Point Douglas to Superior Military Road over Brown's Creek. The bridge was listed on the National Register of Historic Places in 1975 for having local significance in the themes of engineering and transportation. It was nominated as an example of stone engineering and as a remnant of Minnesota's early government roads.