Items Tagged with 'transportation system'

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Shipping Out, Part 4: Mississippi River Transportation System Gets D-Minus Grade

Aging locks, inadequate lock size, increasing channel dredging needs, critical repair needs, chronic budget shortfalls and concerns in coordinating overseas shipments with restricted river availability are major worries on most of our nation's rivers. Built to last 50 years, many of the Upper Mississippi River locks are already more than 70 years old. As a result, the American Society of Civil Engineers has given a D-minus grade to the deteriorating physical condition of the Mississippi River navigable waterways.
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