Washburn Tunnel
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The Washburn Tunnel is a two-lane underwater motor-vehicle tunnel located in eastern Harris County, Texas, connecting Galena Park and Pasadena, two suburban cities near Houston. Completed in 1950, it travels north-south beneath the Houston Ship Channel. It was named in honor of Harris County auditor Harry L. Washburn.
The tunnel is the only underwater vehicle tunnel currently in operation in the state of Texas, and consists of a single bore, 895 meters (2,909 feet) in length, with a six-percent roadway grade outward from the center towards each exit. Forced transverse ventilation is potentially provided by three automatic blower fans located in a tower at the north entrance.
The tunnel is one of five vehicular crossings of the Houston Ship Channel. The others are:
The Sidney Sherman Bridge (sometimes called the Loop 610 Bridge)
The Sam Houston Tollway Ship Channel Bridge (formerly the Jesse Jones Toll Bridge)
The Fred Hartman Bridge (Baytown)
the Lynchburg Ferry
www.co.harris.tx.us/comm_garcia/WashburnTunnel.aspx
The tunnel is the only underwater vehicle tunnel currently in operation in the state of Texas, and consists of a single bore, 895 meters (2,909 feet) in length, with a six-percent roadway grade outward from the center towards each exit. Forced transverse ventilation is potentially provided by three automatic blower fans located in a tower at the north entrance.
The tunnel is one of five vehicular crossings of the Houston Ship Channel. The others are:
The Sidney Sherman Bridge (sometimes called the Loop 610 Bridge)
The Sam Houston Tollway Ship Channel Bridge (formerly the Jesse Jones Toll Bridge)
The Fred Hartman Bridge (Baytown)
the Lynchburg Ferry
www.co.harris.tx.us/comm_garcia/WashburnTunnel.aspx
Wikipedia article: http://en.wikipedia.org/wiki/Washburn_Tunnel
Nearby cities:
Coordinates: 29°43'35"N 95°12'42"W
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