Case Study

VirginRiver Bridge

VirginRiver Bridge

Pages 1 Pages

I-15 Virgin River Bridge Littlefield, Arizona Replacement and widening of I-15 Bridge No. 6 in the Virgin River Gorge area of Northwestern Arizona. Eight drilled shafts were installed, four each at 60” and 90” diameter, with 60” and 84” diameter rock sockets as deep as 22’ into dolomite bedrock with compressive strengths as high as 18,400 psi. Oversize permanent casing was installed in most shafts to stabilize the upper soils, consist

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