Highway Designation File

Transportation Planning and Programming Division
Current Description-Effective Date-Authority


Certified Mileage (Open to Traffic)
62.24 2010

FARM TO MARKET ROAD NO. 580

Minute Order 021215, dated 07/11/1945 (date of agreement)

From US 190 in Lampasas, westward 8.5 miles to Ogles Road, 3 miles east of Nix (Lampasas County).
New Designation



Minute Order 025738, dated 11/23/1948

From U S 190 in Lampasas westward  to Nix, a distance of approximately 11.7 miles. (Lampasas County)  Extended to Nix (3.2  miles).



Minute Order 030285, dated 05/23/1948

From US 190 in Lampasas westward via Nix to a road intersection, a distance of approximately 14.9 miles.  (Lampasas County)  Extended approximately 3.2 miles westward to a road intersection.



Minute Order 031240 and 031286, dated 11/20/1951, Adm. Ord., dated 12/13/1951

From US 190, 3.5 miles east of San Saba southeastward via Bend and Nix to US 190 in Lampasas, a distance of approximately 38.0 miles. (San Saba and Lampasas Counties)  Extended approximately 23.0 miles northwestward to US 190, 6.8 miles of which transferred from FM 499.



Adm. Auth., dated 03/27/1957, Adm. Cir. 024-1957, dated 04/01/1957

From US 190 approximately 3.5 miles east of San Saba southeastward, via bend and Nix to Lampasas, thence northeastward to FM 1113 at Topsey, a distance of approximately 54.3 miles.  (San Saba, Lampasas, and Coryell Counties)  FM 582 canceled and combined, adding approximately 19.5 miles.  (To become effective the date the Travel Map is released.)



Minute Order 046843, dated 11/24/1959, Adm. Cir. 006-1960, dated 01/01/1960

From US 190 approximately 3.5 miles east of San Saba, southeastward via Bend and Nix to Lampasas, thence northeastward via Topsey to FM 116 southwest of Pidcoke, a distance of approximately 63.3 miles.  (San Saba, Lampasas, and Coryell Counties)  Extended approximately 6.0 miles from Topsey to FM 116.



Minute Order 055931, dated 05/01/1965, Adm. Cir. 061-1965, dated 07/01/1965

From US 190, 3.5 miles east of San Saba, southeastward via Bend and Nix to US 183 in Lampasas, and from another point on US 183 north of Burleson Creek, northeastward via Topsey to FM 116 southwest of Pidcoke, a total distance of approximately 62.8 miles. (San Saba, Lampasas, and Coryell Counties)  Relocated in Lampasas, a decrease of approximately 0.5 miles.