Highway Designation File

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

Certified Mileage (Open to Traffic)
24.61 2010


Minute Order 016701, dated 09/26/1939

From a point on US 83 near Barreda to a point on Laguna Madre near Point Isabel.  General redescription of Highway System.

Adm. Auth., dated 01/23/1975; Adm. Cir. 019-1975, dated 02/15/1975

From US 83 at Russelltown eastward to west end of Laguna Madre causeway at Port Isabel.  (Cameron County)  New description;  section of PR 100 from Gomez Street in Port Isabel eastward approx. 0.5 mi. to west end of causeway transferred to SH 100.


[Queen Isabella Memorial Bridge--The structure connecting SH 100 and Park Road 100 between the eastern municipal boundary of Port Isabel and the western boundary of Padre Island, as a memorial to:  (1) the deceased Julio Mireles, Robert Harris, Gaspar Saenz Hinojosa, Robin Leavell, Hector Martinez, Jr., Stevan Francisco Rivas, Barry Welch, and Chealsa Welch; (2) the survivors Bridgette Goza, Rene Mata, and Gustavo Morales, Jr.; and the heroes of that tragic event.  In this section, a reference to a Port Isabel municipal boundary means that boundary as it exists on January 1, 2003.  Acts 2003, 78th Leg., ch. 798, § 1, eff. June 20, 2003]