REMINDER: The #WashburnTunnel will be closed Saturday, December 12 at 10 p.m. through Sunday, December 13 at 10 a.m. for regularly scheduled maintenance.
The Washburn Tunnel is a two-lane underwater motor vehicle tunnel connecting Galena Park and Pasadena.
3100 Federal Rd
Named after Harris County Auditor Harry L. Washburn, the Washburn Tunnel opened on May 27, 1950. It is the South's largest and first toll-free vehicular tunnel. Merritt-Chapman and Scott Corporation of New York, engineered the $7 million project. Six major operations were required to successfully construct the Tunnel. First, a trench 90 x 40 feet had to be dug. Second, large cement sections had to be locked into position 85 feet under water. Finally, the last touches, such as tiling the inside, were completed. Ventilation is supplied by three automatic high-speed blower fans. Located on top of the Tunnel, the fans provide complete air exchange within 2 minutes. These fans are designed to keep the air free from high levels of carbon monoxide. Tunnel Cleaning and Maintenance Hours The Tunnel closes every Thursday night from midnight to 4 a.m. on Friday and the second Saturday of each month from 10 p.m. to 10 a.m. Sunday for maintenance.
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