Infrastructure: The cracks are showing

The Mississippi River pushed relentlessly past dozens of levees this month. Towns were submerged, their buildings tiny islands in murky water. Ducks paddled on ponds that had once been farmland. Some flooding was inevitable, given the force of the swollen Mississippi. But a poorly managed flood-defense system did not help reports the Economist.

For the past few years it has been hard to ignore America’s crumbling infrastructure, from the devastating breach of New Orleans’s levees after Hurricane Katrina to the collapse of a big bridge in Minneapolis last summer. In 2005 the American Society of Civil Engineers estimated that $1.6 trillion was needed over five years to bring just the existing infrastructure into good repair. This does not account for future needs. By 2020 freight volumes are projected to be 70% greater than in 1998. By 2050 America’s population is expected to reach 420m, 50% more than in 2000. Much of this growth will take place in metropolitan areas, where the infrastructure is already run down.

If America does not act, says Robert Yaro of the Regional Plan Association (RPA), a body that plans for the New York-New Jersey-Connecticut region, it will have the infrastructure of a third-world country within a few decades. Economic growth will be constricted, and the quality of life will be diminished.

It is not surprising that the floods have put infrastructure in the spotlight, but this time it might remain there. Droughts have shown the need for better long-term planning. Thanks to the soaring oil price, a surge in demand for buses and trains has exposed ageing transport systems in big cities and meagre investment in small ones. And the Highway Trust Fund, which provides most of the federal money for transport projects, will be at least $4 billion in debt next year. 

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