State Route 99 or SR-99 is a 21.914 miles (35.3 km) long route that extends from Athens

Athens, Alabama

Athens is a city in Limestone County, Alabama, United States. As of the 2000 census, the population of the city is 18,967. According to the 2009 U.S. Census estimates, the city had a population of 24,234...

 in Limestone County

Limestone County, Alabama

Limestone County is a county of the U.S. state of Alabama, and is included in the Huntsville Metropolitan Area.It is also included in the merged Huntsville-Decatur Metro Area. Its name comes from Limestone Creek, a local stream. In 2000, the population was 65,676. As of 2010 the county's...

 to just northeast of Anderson

Anderson, Alabama

Anderson is a town in Lauderdale County, Alabama, United States. It is part of the Florence - Muscle Shoals Metropolitan Statistical Area known as "The Shoals". As of the 2000 census, the population of the town is 354. According to the 2005 U.S. Census estimates, the town had a population of 348...

 in Lauderdale County

Lauderdale County, Alabama

-2010:Whereas according to the 2010 U.S. Census Bureau:*86.4% White*10.0% Black*0.4% Native American*0.7% Asian*0.0% Native Hawaiian or Pacific Islander*1.4% Two or more races*2.2% Hispanic or Latino -2000:...

.

Route description

The southern terminus of SR-99 is located at its intersection with U.S. Highway 31 in northeast Athens. From this point, the route travels in a westerly direction through the city before heading in a northwesterly trajectory towards Mount Rozell. From here it then travels in a westerly direction before terminating at State Route 207 northeast of Anderson.

Major intersections