{"id":"S2012001360","label":"Bridges--Retrofitting","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2012001360","normalized_label":"bridges--retrofitting","broader":[],"aliases":["Retrofit of bridges","Retrofitting of bridges"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2012001360","provider":"lcsh","revision":"031907f421358729","taxonomy_revision":"f050b5d4780b1289","title":"Bridges--Retrofitting","url":"/topics/S2012001360","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5207287354326655526","address_version":"morton4x16-v1","coordinates":[0,479,45777,16384],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}