The state's worst grades went to energy, inland waterways, roads and stormwater, all receiving a D. California roads are often picked on for being some of the worst in the country, and according to the report, about a third of the state's roads are in poor condition. Bridges also fared poorly in the report with a grade of C-. More than 65% of the structures are older than 50 years, the typical lifespan, and need significant reinvestment to ensure their longevity. Even the Golden Gate Bridge, one of the state's biggest tourist attractions, still needs to secure more funding to finish an ongoing retrofitting project. Earlier this year, a report from the National Transportation Safety Board found that seven California bridges had an "unknown level of risk" for collapse.