The Illinois River Bridge at Phillips Ford is a historic bridge in rural northern Washington County, Arkansas. It is a double-span closed-spandrel concrete arch bridge built in 1928 by the Luten Bridge Company, and it carries County Road 848 across the Illinois River in the Ozark National Forest south of U.S. Route 412 (US 412). The bridge's arches each span 81 feet (25 m), and the total structure length is 168 feet (51 m). The bridge uses Luten's patented method of reducing material in the bridge by the addition of metal rings to the spandrel walls.