{"nrhp_refnum":"70000200","name":"Fort James Jackson","other_names":["Fort Jackson Maritime Museum","Fort Oglethorpe"],"category":"building","location":{"address":"Islands Expwy.","address_restricted":false,"city":"Savannah","county":"Chatham County","state":"GA","lat":32.082097608000026,"lon":-81.03608956899996,"geom_source":"nps_gis"},"listed_date":"1970-02-18","is_nhl":true,"nhl_designated_date":"2000-02-16","areas_of_significance":["Military","Architecture"],"significance_levels":["national"],"summary":{"what_it_is":"Fort Jackson is a brick coastal fortification on the marshy south bank of the Savannah River, about three miles east of Savannah, Chatham County, Georgia. The river face dates from about 1808, and most of what is seen dates from 1845-1850.","why_significant":"The fort represents about 180 years of military use protecting Savannah, from a 1792 \"Mud Fort\" through the War of 1812 and Confederate service. Its Savannah Grey brickwork and Gothic Revival sally port are notable architecturally. It was built by the Department of the Army as a smaller counterpart to Fort Pulaski.","narrative":"Fort Jackson sits on the marshy south bank of the Savannah River, about three miles east of Savannah. A fortification site since 1792, when a \"Mud Fort\" was built, it was sold to the United States in 1808 and named for James Jackson, a Revolutionary soldier, Georgia governor and U.S. senator. Fire damaged it in 1833, and rebuilding in the mid-1840s produced the brick fort seen today, with thirty-three-inch walls of Savannah Grey brick, a moat, eighteen casemates and a Gothic Revival sally port. Georgia troops seized it in 1861, and Robert E. Lee inspected it in 1862. Confederate forces withdrew by water in December 1864 as Sherman's army approached. Repairs were attempted in the 1870s, and Congress authorized its sale to Savannah in 1923. After a company deeded it to the state in 1965, the Georgia Historical Commission rehabilitated the casemates and powder magazine as a museum of Georgia maritime history.","period_of_significance":null,"architect_builder":"Designed and constructed by the Department of the Army","architectural_style":"Gothic Revival sally port on an otherwise severely plain brick fort","criteria":[],"status_note":"Owned by the State of Georgia and operated as a maritime museum; in good condition, with rehabilitation under way. A letter in the file reports river erosion damaging the fort wall.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:55:41.249798-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_GA/70000200.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/70000200/88124433a4-800.webp","url_1600":"https://nationalhistoricalregister.com/media/70000200/88124433a4-1600.webp","licence":"CC BY-SA 3.0","author":"MArcin K.","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Glowna_brama..JPG\" rel=\"noopener\">MArcin K.</a>, <a href=\"http://creativecommons.org/licenses/by-sa/3.0/\" rel=\"license noopener\">CC BY-SA 3.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Glowna_brama..JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/93207302","wikipedia":"https://en.wikipedia.org/wiki/Fort_James_Jackson","wikidata":"https://www.wikidata.org/wiki/Q1438578"},"indexable":true,"url":"https://nationalhistoricalregister.com/georgia/chatham-county/fort-james-jackson-70000200/"}