The Eighteenth Street Viaduct was completed in February, 1935. The construction of the Viaduct provided a continuous paved street from North Eighteenth and Alexander all the way out to Speight on concrete pavement, and to the highway Circle on asphalt. At the time, Fifth Street was the only other street that carried travelers across town on pavement…from Herring Avenue to LaSalle.(1) As Waco began to prepare for Interstate 35 in the early 1960s, another viaduct was built on Seventeeth Street. The new viaduct was dedicated with a ribbon-cutting ceremony on Thursday, October 11, 1962. Eighteenth and Seventeenth had become one-way at midnight the night before. (2)

(1)” New Viaduct Will Open Next Friday is Engineer Hope”. The Waco Tribune Herald, January 27, 1935.
(2) “17th, 18th Are 1-Way at Midnight”. The Waco News Tribune, October 10, 1962.