The report is from TRIP, a national nonprofit transportation research group based in Washington, D.C. that is sponsored by insurance companies, equipment manufacturers and businesses involved in highway construction. According to the 2017 study conducted by the national transportation nonprofit, more than 8 percent of Connecticut bridges, 308 in total, are considered structurally deficient. Which means they have significant deterioration and must be replaced or repaired.
https://www.ctnewsjunkie.com/archives/entry/20180920_report_hundreds_of_state_bridges_need_repair/