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ENR > Transportation > After Year's Delay, Mississippi Crossing Is Back on Course - McGraw-Hill Construction | ENR
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| One half of a twin bridge over the Mississippi River is set to open for traffic this fall after a year’s delay and redesign of the concrete-box girder design that added $14.8 million to the $58-million job. The designer says lack of official principle stress specifications at the time of design played a role in its incorrect assumptions about loads ...
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