There are more than 18,000 structurally deficient bridges located in about 100 U.S. metropolitan regions, according to a new study on deteriorating infrastructure.
The deficient bridges in the 102 metropolitan regions carry three-quarters of all the traffic in the country crossing deficient bridges, said the study, published by the group Transportation for America.
“The Fix We’re In For: The State of Our Nation’s Busiest Bridges,” was released Wednesday by the group, a coalition of transportation advocates that includes builders, realtors, labor unions, senior citizen groups, environmentalists and local governments.
T4 America, as the group is known, culled its list of structurally deficient bridges from the National Bridge Inventory, a database maintained by the Federal Highway Administration.
The study found that one in every nine bridges in the country is rated structurally deficient by the FHWA, meaning the bridge needs “more frequent monitoring and critical, near-term maintenance, rehabilitation or replacement.”
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