Spring Branch is a district in west-northwest Harris County, Texas, United States, roughly bordered by Tanner Road and Hempstead Road to the north, Beltway 8 to the west, Interstate 10 to the south, and the 610 Loop to the east; it is almost entirely within the city of Houston. Established by the Texas Legislature, the Spring Branch Management District exerci…Spring Branch is a district in west-northwest Harris County, Texas, United States, roughly bordered by Tanner Road and Hempstead Road to the north, Beltway 8 to the west, Interstate 10 to the south, and the 610 Loop to the east; it is almost entirely within the city of Houston. Established by the Texas Legislature, the Spring Branch Management District exercises jurisdiction over the area.