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| | | | Newsarticle
2010-07-21 | | | | | | ASHTO Expert Urges New Strategy to make America s Bridges Healthy | | | | | | Built to last 50 years, the bulk of the nation's 590,000 bridges are 43 years old; and 74,000 bridges (12.4%) are classified as "structurally deficient," meaning that one or more aspects of a bridge's structural condition require attention. Meanwhile, truck traffic has nearly doubled in the past 20 years, and the trucking industry is pushing for heavier loads.
"We are facing a perfect storm regarding our bridges," said Malcolm T. Kerley, P.E., Chief Engineer with the Virginia Department of Transportation. Testifying on behalf of the American Association of State Highway and Transportation Officials, Kerley told members of the House Transportation and Infrastructure Subcommittee on Highways and Transit that "current funding levels are not adequate for the job at hand. A huge backlog of bridge needs remains." (Kerley's oral and witten testimony is available at http://bridges.transportation.org/Pages/WHAT'SNEW.aspx)
Kerley told lawmakers that states are investing substantially more in state dollars on bridges than is provided under the Federal Highway Bridge Program. For example, in 2004, $10.5 billion was invested in bridge rehabilitation by all levels of government - more than twice the $5.1 billion apportioned through the Federal Bridge Program that year.
In this period of economic downturn, when governments are looking to do more with fewer resources, Kerley urged Congress to focus on how best to preserve the health of all bridges through what he described as "asset management strategies."
"States need federal funding to reduce the slippage of bridges into the 'structurally deficient' category," Kerley said. "And we all get more bang for our taxpayer buck by preserving a bridge early in its life rather than by having to completely replace it later on down the road. In order to accomplish this, states need to be able to fund a wider range of projects than just their lowest-rated bridges," Kerley said.
"Current law requires states to address the worse deficient bridges first, but this approach doesn't work" Kerley testified. "If we had all the funding we needed, states could immediately reconstruct or rehabilitate all structurally deficient bridges - fixing the worst first while simultaneously investing to prevent an even larger number of bridges from deteriorating just enough to push them over the edge to structural deficiency. We call these 'cusp' bridges - those bridges which we can prevent from becoming structurally deficient."
Kerley said that 'cusp' bridges that are not yet structurally deficient begin to deteriorate before states can address their problems. And since there is not enough money to fix all the deficient bridges before others deteriorate into this category, it becomes a constant game of "catch up."
For more information on the status of nation's bridge inventory, download AASHTO's report Bridging the Gap at http://tiny.cc/9fu4c.
The American Association of State Highway and Transportation Officials (AASHTO) is the "Voice of Transportation" representing State Departments of Transportation in all 50 states, the District of Columbia, and Puerto Rico. AASHTO is a nonprofit, nonpartisan association serving as a catalyst for excellence in transportation. Follow us on Twitter at http://twitter.com/aashtospeaks
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