U.S. Route 90

U.S. Route 90
Country	USA
Type	US
Route	90
Length mi	1578
Established	1926
Direction a	West
Terminus a	Van Horn
Direction b	East
Terminus b	Jacksonville Beach
States	Texas, Louisiana, Mississippi, Alabama, Florida

U.S. Route 90

U.S. Route 90 is a major east–west highway traversing the southern United States from Van Horn, Texas, to Jacksonville Beach, Florida. The highway connects a series of metropolitan areas including El Paso, San Antonio, Houston, Baton Rouge, New Orleans, Mobile, Pensacola, and Tallahassee. U.S. Route 90 parallels portions of Interstate 10 and serves as a regional artery linking ports, military installations, and historic districts such as The Alamo, French Quarter, and Historic Pensacola Village.

Route description

U.S. Route 90 begins near Van Horn and proceeds eastward through El Paso County, passing near Fort Bliss, El Paso International Airport, Fort Hancock, and alongside sections of the Southern Pacific Railroad. In San Antonio the route intersects corridors serving Lackland Air Force Base, Joint Base San Antonio, and historic sites including The Alamo and the San Antonio River Walk. Continuing east, the highway serves Houston suburbs, intersects with routes to NASA Johnson Space Center and parallels the Buffalo Bayou before entering the Galveston Bay Area near Galveston and Texas City.

Across the Gulf Coast, U.S. Route 90 traverses Louisiana corridors connecting Beaumont and Lake Charles to Baton Rouge and New Orleans. The alignment crosses the Mississippi River near Baton Rouge and follows the Gulf Intracoastal Waterway near Houma and Morgan City. In New Orleans, the highway serves the Central Business District, crosses the Crescent City Connection approaches, and provides access to Naval Air Station Joint Reserve Base New Orleans.

Eastward into Mississippi the route links Bay St. Louis, Gulfport, and Biloxi, passing near Keesler Air Force Base and coastal resorts. In Alabama the road reaches Mobile and provides access to University of South Alabama, Mobile Bay, and the Port of Mobile. Entering Florida, U.S. Route 90 serves Pensacola, Tallahassee, Lake City, Gainesville via connections, and terminates at Jacksonville Beach near Jacksonville and Naval Station Mayport.

History

Designated in 1926 during the creation of the U.S. Highway System spearheaded by the AASHO and influenced by civic leaders from Texas, Louisiana, Mississippi, Alabama, and Florida, U.S. Route 90 originally followed older auto trails and stagecoach roads used since the 19th century connecting port cities such as Galveston, Mobile, and Jacksonville. During the Great Depression, New Deal programs such as the Works Progress Administration funded pavement and bridge improvements on alignments near Beaumont and Baton Rouge. In World War II the corridor gained strategic importance linking installations like Fort Bliss, Keesler Air Force Base, and Naval Air Station Pensacola to supply routes used during the European Theater of World War II mobilization.

Postwar expansion and the Interstate era, notably the construction of I‑10, shifted long-distance traffic off U.S. Route 90, prompting state departments such as the Texas Department of Transportation, Louisiana Department of Transportation and Development, Mississippi Department of Transportation, Alabama Department of Transportation, and Florida Department of Transportation to relegate segments to business routes and bypasses serving downtowns like San Antonio, Houston, and New Orleans. Natural disasters, especially Hurricane Katrina and Hurricane Ivan, prompted repeated reconstruction of bridges and causeways near Biloxi, Gulfport, and Pensacola, with federal recovery funding allocated through Federal Emergency Management Agency programs.

Major intersections

Major junctions include interchanges with I‑10 near Van Horn, San Antonio, Houston, Baton Rouge, and Jacksonville; connections with U.S. 83 in Texas; intersections with I‑45 serving Houston and Galveston; crossings with U.S. 61 near Baton Rouge; linkages to I‑59 around New Orleans and Slidell; junctions with U.S. 98 in Florida and Mississippi; and termini connections to U.S. 1 and coastal access near Jacksonville Beach. The route also intersects state highways serving Hidalgo County commerce, port connectors to Port Arthur and Port of New Orleans, and ramps serving intermodal terminals associated with Union Pacific Railroad, BNSF Railway, and Norfolk Southern Railway.

Special routes

Several business routes, bypasses, and alternate alignments have been designated along the corridor by state agencies. Notable examples include business loops through San Antonio and Biloxi, alternate routes providing coastal access around Galveston Bay and Mobile Bay, and spur connections to military facilities such as Keesler Air Force Base, Naval Air Station Pensacola, and Naval Station Mayport. Historic alignments preserved as state scenic byways and municipal streets appear in Galveston, New Orleans' French Quarter, Historic Pensacola Village, and Beaumont's Historic District, often maintained in partnership with National Park Service programs and local preservation organizations like National Trust for Historic Preservation.

Future and planned improvements

Planned improvements have been proposed by state DOTs and regional planning bodies including MPOs in Houston, New Orleans, Mobile, and Jacksonville. Projects include bridge replacements, flood mitigation tied to Hurricane Preparedness initiatives, interchange upgrades near NASA Johnson Space Center, and widening projects to improve freight access to Port of Houston and Port of New Orleans. Federal programs such as the Infrastructure Investment and Jobs Act provide funding pathways, while resilience work coordinates with Federal Highway Administration guidance and U.S. Army Corps of Engineers coastal protection efforts. Long-range plans evaluated by American Association of State Highway and Transportation Officials include corridor resiliency, multimodal integration with rail and ports, and targeted historic preservation in downtown corridors.

Category:United States Numbered Highways