Pearl Harbor Memorial Bridge

Pearl Harbor Memorial Bridge

GeoDesign is the geotechnical consultant for the 0.8-mile Main Span and the approaches for the proposed Pearl Harbor Memorial Bridge.  This bridge is the first Extradosed Cable Stay Bridge constructed in the United States.

The subsurface explorations for the geotechnical work included over 180 borings completed up to 62 meters (200 ft) deep.

Foundations for the proposed bridge and approaches included 8-foot diameter drilled shafts up to 200 + feet deep and, precast, prestressed driven piles, up to 20-inch square and 120 feet long.  Shaft foundations rely on both end bearing and skin friction to develop their capacity, which was verified by static load testing. Dynamic and static load tests of driven piles were performed during design and during construction.

This $1.2 billion transportation project includes redesigning and replacing more than 7 miles of major interstate highway including ramp overpasses and the main bridge span.

Project Details

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