Lesner Bridge Replacement Lynnhaven Inlet

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BridgesLesner Bridge Replacement Lynnhaven Inlet
Owner : City of Virginia Beach
Location : Virginia Beach, VA

This $78.8M project is for the replacement of the existing Lesner Bridges over the Lynnhaven Inlet in Virginia Beach, Virginia with a signature facility that is capable of handling six lanes of traffic in the future. This project features twin 1,575-foot-long precast concrete segmental bridges with drilled shaft foundations. Each structure consists of (9) each 150-foot approach spans that are being constructed utilizing span by span construction techniques with an overhead gantry. The 225-foot main span features a progressive cantilever design that is being constructed with the same overhead gantry system. This project is being constructed in an environmentally sensitive area that is subject to extreme tidal flows. The second bridge structure is to be constructed adjacent to an overhead transmission line. The combination of the tidal and wind effects and the close proximity of the overhead transmission line on the construction access and techniques makes for a very challenging project that demands precise planning and execution. The bridges are being constructed over a major navigable channel with continuous boat traffic from the Virginia Pilots Association, commerical and private fishing vessels and pleasure boats. The new bridges will provide a minimum 45-foot vertical clearance above mean high water and 150-foot minimum horizontal clearance at the center navigational span.

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