Post Hospital Annex
Brownsville, Cameron County, Texas
Marker Inscription
Completed in 1869 during the rebuilding of Fort Brown by Captain William Alonzo Wainwright, the Post Hospital Annex (also known as the Medical Laboratory), was constructed to house personnel assigned to work in the nearby Post Hospital. A finely crafted, classically influenced building, it subsequently was used as a medical laboratory, for storage purposes, and as a dispensary.
Erected by Texas Historical Commission
The Story
Completed in 1869 as Captain William Alonzo Wainwright rebuilt Fort Brown after the Civil War, the Post Hospital Annex — also known as the Medical Laboratory — was built to house personnel working in the adjacent Post Hospital. A finely crafted, classically influenced building, it later served in turn as a medical laboratory, a storehouse, and a dispensary.
Why it matters
A surviving support building of a rebuilt frontier fort, the annex documents the everyday medical infrastructure that sustained the U.S. Army along the Rio Grande.
Own a business near here? Add it to the map.
Related people
- · William Alonzo Wainwright
Themes & tags
Nearby & related markers
Post Hospital
Brownsville, TX
When Captain William Alonzo Wainwright arrived in Brownsville in 1868 to rebuild Fort Brown after the Civil War and an 1867 hurricane, one of his first projects was this Post Hospital, completed in 1869 and admired for its classical, Palladian-influenced design. Beyond its architecture, the building holds a place in medical history: First Lt. William C. Gorgas, later famous for controlling yellow fever during the building of the Panama Canal, began the studies that shaped that work while stationed here in 1883.
Launching Site of First U.S. Army Warplane
Brownsville, TX
In the spring of 1915, as revolutionary turmoil spilled across the Rio Grande, the U.S. Army was just beginning to imagine what airplanes might do in war. From the old cavalry drill field at Fort Brown, two Signal Corps aviators took a fragile Curtiss biplane aloft to scout the movements of Pancho Villa's forces along the border. When ground fire struck their machine, it marked the first time an American military aircraft came under fire in hostilities—a small, dangerous milestone in the birth of American air power.
Fort Brown Commissary/Guardhouse
Brownsville, TX
Built in 1905 as a food storage facility, this Fort Brown building was abandoned within a year when the post first closed, then pressed back into service as a guardhouse and jail when the army reactivated the fort during the Mexican border troubles. Among those held here were political refugees who fled across the river after the Battle of Matamoros on June 4, 1913. Its loading dock and dormered shed roof still mark its dual life as commissary and lockup.
Fort Brown Cavalry Barracks
Brownsville, TX
This brick barracks belongs to the rebuilding of Fort Brown after the Civil War, when the border post at Brownsville was reconstructed and garrisoned anew. It housed cavalry units into World War I, then served as a quartermaster warehouse and commissary before the fort closed after World War II. Later acquired by Texas Southmost College, the T-plan structure with its arched central entry survives as a reminder of decades of frontier military service.