U.S. Route 331

U.S. Route 331
U.S. Route 331
Route information
	Auxiliary route of US 31
	Maintained by FDOT and ALDOT
Length	149.830 mi (241.128 km)
Major junctions
South end	US 98 / SR 30 / SR 83 at Santa Rosa Beach, FL
	I-10 in DeFuniak Springs, FL; US 90 in DeFuniak Springs, FL; US 84 in Opp, AL; US 29 in Brantley, AL;
North end	US 80 / US 82 / SR 6 / SR 8 / SR 9 / SR 21 at Montgomery, AL
Location
Country	United States
States	Florida, Alabama
Counties	FL: Walton; AL: Covington, Crenshaw, Montgomery
Highway system
	United States Numbered Highway System; List; Special; Divided;
	Alabama State Highway System; Interstate; US; State;
	Florida State Highway System; Interstate; US; State Former; Pre‑1945; ; Toll; Scenic;

U.S. Route 331 (US 331) is a spur of U.S. Route 31. It currently runs for 150 miles (240 km) from Santa Rosa Beach, Florida east of Fort Walton Beach at US 98 to Montgomery, Alabama at US 80 and US 82. Unlike US 131, US 231, and US 431, US 331 never intersects with its "parent" route, US 31; however, the two routes do come within 4 miles (6.4 km) of each other in Montgomery.

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