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Thursday, February 18, 2016
Report: 60 Hawaii Bridges Structurally Deficient
By News Release @ 6:00 PM :: 3624 Views :: Hawaii Statistics

Nearly 59,000 U.S. Bridges Still Structurally Deficient, New Analysis Finds

News Release from ARTA, Feb 18, 2016

National & State Data Available: www.artbabridgereport.org

WASHINGTON - There’s good news and bad news to report about the condition of America’s bridges. The good news is there were 2,574 fewer structurally deficient bridges in 2015 compared to the number in 2014. The bad news is there are still 58,500 on the structurally deficient list—and at the current pace of bridge investment—it would take at least 21 years before they were all replaced or upgraded. Those are among the key findings in a new analysis of the U.S. Department of Transportation’s recently-released 2015 “National Bridge Inventory” database.

The American Road & Transportation Builders Association (ARTBA), which conducts the annual review of state bridge data collected by the federal agency, notes that if placed end-to-end, the deck surface of the nation’s structurally deficient bridges would stretch from New York City to Miami (1,340 miles).

About nine-and-a-half percent of the nation’s approximately 610,000 bridges are classified as structurally deficient, ARTBA found, but cars, trucks, school buses and emergency vehicles cross these deficient structures nearly 204 million times a day.

To help ensure public safety, bridge decks and support structures are regularly inspected by the state transportation departments for deterioration and remedial action. They are rated on a scale of zero to nine—with nine meaning the bridge is in “excellent” condition. A bridge is classified as structurally deficient and in need of repair if its overall rating is four or below. Unfortunately, the funding made available to state and local transportation departments for bridge work is not keeping pace with needs.

While these bridges may not be imminently unsafe, the purpose of the report, the association said, is to help educate the public and policymakers that they have structural deficiencies that need repair.

Almost all of the 250 most heavily crossed structurally deficient bridges are on urban highways, particularly in California. Nearly 85 percent were built before 1970.

Iowa (5,025), Pennsylvania (4,783), Oklahoma (3,776), Missouri (3,222), Nebraska (2,474), Kansas (2,303), Illinois (2,244), Mississippi (2,184), North Carolina (2,085) and California (2,009) have the most structurally deficient bridges, the analysis found. The District of Columbia (10), Nevada (35), Delaware (48), Hawaii (60) and Utah (95) have the least.

At least 15 percent of the bridges in eight states—Rhode Island (23 percent), Pennsylvania (21 percent), Iowa (21 percent), South Dakota (20 percent), Oklahoma (16 percent), Nebraska (16 percent), North Dakota (16 percent) and West Virginia (15 percent)—fall in the structurally deficient category.

“Every year we have new bridges move on the list as structures deteriorate, or move off the list as improvements are made,” says Dr. Alison Premo Black, ARTBA’s chief economist, who conducted the analysis. In the 2015 report, there were 4,625 structurally deficient bridges that were not so classified in 2014, she says. On the positive side, about 7,200 bridges classified as structurally deficient in 2014 were repaired, replaced, rebuilt or removed from the 2015 inventory. The net effect, Black says, is a slow national reduction in the overall number of structurally deficient structures.

Black notes the recently-enacted five-year federal highway and transit law provides a modest increase in funding for bridge repairs. But “the funding made available won’t come close to making an accelerated national bridge repair program possible,” she said. “It’s going to take major new investments by all levels of government to move toward eliminating the huge backlog of bridge work in the United States.”

State specific bridge information from the analysis—including rankings and the locations of the 250 most heavily travelled structurally deficient bridges in the nation and top 25 most heavily travelled in each state—is available at www.artbabridgereport.org.

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