A new survey finds one of every 11 highway bridges in Idaho shows some level of deterioration and at least nine percent meet structurally deficient standards. Even so, the report by Transportation for America ranks Idaho in the top half among states for the overall condition of its highway bridges. The report considers the entire network of more than 4,100 bridges across Idaho, including those owned by state or local governments as well as private bridges. Only two Idaho counties don't have a single bridge with structural deficiencies -- Lewis and Oneida.  But the report finds that nearly 28 percent of the bridges in Lincoln County -- or 13 of 47 -- meet criteria of structurally deficient. Other counties with more than 20 percent of its bridges deemed structurally deficient include Owyhee, Fremont and Adams.