Highway Designation File

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


Certified Mileage (Open to Traffic)
21.079 2010

FARM TO MARKET ROAD NO. 517

Minute Order 021215, dated 07/09/1945 (Date of Agreement)

From Dickinson (US 75) eastward to Leon (SH 146); and from Dickinson (US 75), westward to the Brazoria County Line.  (Galveston County) New Designation.



Minute Order 021668, dated 01/18/1946

From Dickinson eastward to SH 146 at San Leon Siding.  (Galveston County)  Cancel that portion from Dickinson westward to county line.



Minute Order 025172, dated 07/20/1948

From SH 6 at or near Alta Loma, northward and eastward via Dickinson to SH 146 at San Leon Siding.  (Galveston County)  Extended from Dickinson to Alta Loma.



Minute Order 033254, dated 12/17/1952; Adm. Auth., dated 01/16/1953

From SH 146 near San Leon Siding, westward via Dickinson to Brazoria County Line, a distance of approximately 14.7 miles.  (Galveston County) Extended approx. 7.3 miles to Brazoria County Line; a section of approx. 4.8 miles transferred to FM 646.



Minute Order 035070, dated 10/28/1953

From Brazoria County Line, eastward via Dickinson to SH 146; thence northeastward to Edwards Point, a total distance of approximately 20.4 miles.  (Galveston County)  Extended approx. 5.7 miles to Edwards Point.



Minute Order 033184, dated 12/17/1952

From SH 6 at Alvin, eastward via Dickinson to SH 146; thence northeastward to Edwards Point, a distance of approximately 22.6 miles.  (Brazoria and Galveston Counties)  Extended approx. 2.2 miles westward to SH 6.



Minute Order 038839, dated 09/21/1955; Adm. Cir. 041-1955, dated 10/15/1955

From SH 6 at Alvin, eastward via Dickinson; thence northeastward to Edwards Point; thence westward to SH 146, a distance of approximately 27.9 miles.  (Brazoria and Galveston Counties)  Extended approx. 5.7 miles westward from Edwards Point to SH 146.



Minute Order 051200, dated 05/02/1962; Adm. Cir. 081-1962, dated 06/01/1962

From SH 6 at Alvin, eastward via Dickinson; thence northeastward to Edwards Point; thence westward and southward via Bacliff to FM 517, 1.5 mile west of San Leon, a distance of approximately 29.7 miles.  (Brazoria and Galveston Counties)  Extended westward and southward approx. 2.4 miles from SH 146 at Bacliff to FM 517.



Adm. Auth., 01/28/1982; Adm. Ltr. 003-1982, dated 03/15/1982

From SH 35, east edge of Alvin, eastward via Dickinson; thence along San Leon Rd, 29th St, Ave J, Ave I, and 9th St to the intersection of FM 3436 (Ave B), a distance of approximately 21.8 miles.  (Galveston County)  New description; as requested by District, approx. 7.4 miles transferred to FM 3436.



Adm. Auth., dated 01/28/1982; Adm. Ltr. 005-1982, dated 05/18/1982

From SH 6 in Alvin, eastward via Dickinson; thence along San Leon Rd, 29th St, Ave J, Ave I, and 9th St to the intersection of FM 3436 (Ave B), a distance of approximately 21.8 miles.  (Galveston County) New description; redescribed, as beginning point shown in preceding letter of 03/15/1982 was in error.



Minute Order 105686, dated 06/27/1995; DesLtr 03-1995, dated 06/30/1995

From SH 6 in Alvin, eastward to UR 646, a distance of approx. 10.038 miles. (Brazoria and Galveston Counties)  Mileage from UR 646 eastward and northeastward to San Leon transferred to UR 517.