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Roads in Sonoma, Mendocino and Lake counties are ranked the worst in the Bay Area, according to a new statewide study.
Roads for those three counties ranked 50, 37 and 40, respectively, on an index between 0 for "failed" and 100 for "excellent" in the 2012 California Statewide Local Streets and Roads Needs Assessment, released Tuesday. [See the table below for North Bay county-by-county findings.]
Condition of roads in Lake County improved since 2008, while those in Sonoma and Mendocino declined. Yet conditions of Napa County roads improved markedly.
"There has been a steady downward trend in the pavement condition since 2008," the report said. "The majority of California’s counties now have an average pavement condition rating that is considered 'at risk.' Projections indicate that In 10 years, 25 percent of California’s streets and roads will be in the 'failed' category."
The statewide study was backed by the Bay Area's Metropolitan Transportation Commission plus the League of California Cities, California State Association of Counties, County Engineers Association of California and California Regional Transportation Planning Agencies.Pavement Condition Index for North Bay counties Avg. weighted PCIArea
(cities incl.)Center line
(sq. yd.)200820102012Lake Co.7531,49710,199,540333140Marin Co.1,0212,05918,077,971616161Mendocino Co.1,1252,25516,097,768514937Napa Co.7161,48912,453,529536059Solano Co.1,7153,62329,162,226666667Sonoma Co.2,3734,96039,517,285535050California143,092312,7082,666,650,735686666
Source: California Statewide Local Streets and Roads Needs Assessment, January 2013, released March 6, table 2.3. Scale is 0 (failed) to 100 (excellent).