Spur 10 was designated on September 29, 1994 from SH 36, 5.2 miles northwest of Rosenberg, southeast 4.8 miles to US 59/Spur 529. On August 30, 2012 the road was extended 4.8 miles along local routes to SH 36 in Pleak. Spur 16 is located in El Paso County. It runs from SH 20 to Loop 375. Spur 16 was designated on July 30, 2012 as a redesignation of Spur 276. The original Spur 16 was designated on March 31, 2005 in Eagle Pass from US 277 east 0.9 mile to US 57. On July 26, 2012 Spur 16 was redesignated as Spur 216 and was reassigned to its current route in El Paso. Spur 17 is located in Dalhart. It runs from US 87/FM 1727 to US 385. Spur 17 was designated on March 27, 2008 on the current route. Spur 18 was designated as a temporary designation in Bonham while the US 82 freeway was being constructed. It ran from SH 121 to SH 78. It was designated in 1993, and was decommissioned when the US 82 freeway was constructed. Spur 18 was designated on September 16, 1939 from US 84 to Oglesby. On July 6, 1951 Spur 18 was cancelled and became a portion of FM 1742 (later FM 107, now FM 1996). Spur 19 is located in Montague County. It runs from Loop 19 (Sixth Street) via Main Street to the Chicago, Rock Island and Gulf Railroad Company's western right-of-way at 9th Street. Spur 19 was designated on September 26, 1939 on the current route as a replacement of SH 2 Tap. Spur 21 was designated on September 26, 1939 from SH 70 east of Spur along Sixth Street to Sixth Street and Burlington Avenue. On May 19, 1942 the road was extended to SH 70 north of Spur and the route was changed to Loop 21. Spur 22 is located in Robstown. It runs from Business US 77 to SH 44. Spur 22 was designated on August 30, 2001 on the current route as a replacement of US 77 when it was rerouted. The original Spur 22 was designated on September 26, 1939 from US 380 south along Central Avenue to Mesquite Street and Central Avenue in Peacock. On February 25, 1954 Spur 22 was cancelled and transferred to FM 2211. Spur 23 was a state highway spur in Annona. Spur 23 was designated on September 25, 1939 from US 82 to Annona as a renumbering of SH 5 Spur.