U.S. Route 23 or U.S. Highway 23 (US 23) is a major north–south United States Numbered Highway between Jacksonville, Florida, and Mackinaw City, Michigan. It is an original 1926 route which originally reached only as far south as Portsmouth, Ohio, and has since been extended. It was formerly part of the major highway known as the Dixie Highway. The highway's southern terminus is in Jacksonville, Florida, at US 1/US 17. The northern terminus is at Interstate 75 (I-75) in Mackinaw City, Michigan.
The official southern beginning of US 23 as seen from US 1 and US 17 in Jacksonville, Florida
Pound Gap, where the highway crosses from Virginia to Kentucky
US 23 in Pike County south of Pikeville, Kentucky
US 23 near Marion, Ohio
Portsmouth is a city in and the county seat of Scioto County, Ohio, United States. Located in southern Ohio 41 miles (66 km) south of Chillicothe, it lies on the north bank of the Ohio River, across from Kentucky, just east of the mouth of the Scioto River. The population was 18,252 at the 2020 census. It is the principal city of the Portsmouth micropolitan area.
Downtown Portsmouth looking north from U.S. Grant Bridge
The steamer Bonanza in Portsmouth during the 1884 flood
Aerial view of downtown Portsmouth
A painting of the confluence of the Ohio and Scioto rivers, showing the dissected plateau terrain and the Carl D. Perkins Bridge.