U.S. Route 231

U.S. Route 231
US 231 highlighted in red
Route information
Auxiliary route of US 31
Length	912 mi (1,468 km)
Major junctions
South end	6th Street in Panama City, FL
Major intersections	I-10 near Cottondale, FL I-85 at Montgomery, AL I-20 at Pell City, AL I-59 at Ashville, AL I-565 at Huntsville, AL I-24 at Murfreesboro, TN I-40 at Lebanon, TN I-64 at Dale, IN I-69 at Bloomfield, IN I-70 at Cloverdale, IN I-65 at various locations
North end	US 41 at St. John, IN
Location
Country	United States
States	Florida, Alabama, Tennessee, Kentucky, Indiana
Highway system
United States Numbered Highway System List Special Divided

U.S. Route 231 (US 231) is a north–south U.S highway that is a parallel route of US 31. It runs for 912 miles (1,468 km) from St. John, Indiana, at US 41 to south of US 98 in downtown Panama City, Florida. One of its most notable landmarks is the William H. Natcher Bridge, a 0.853 miles (1.373 km) long cable-stayed bridge that connects Rockport, Indiana, to Owensboro, Kentucky, spanning the Ohio River.