{"nrhp_refnum":"80003456","name":"Gibson's Covered Bridge","other_names":[],"category":"structure","location":{"address":"SE of Downingtown on T 391, East/West Bradford Townships","address_restricted":false,"city":"Downingtown","county":"Chester County","state":"PA","lat":39.97622545100006,"lon":-75.68286335199997,"geom_source":"nps_gis"},"listed_date":"1980-12-10","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering","Transportation"],"significance_levels":["state"],"summary":{"what_it_is":"A Burr truss covered bridge over the East Branch of Brandywine Creek at Gibson's Ford, southeast of Downingtown in Chester County, Pennsylvania, on the East Bradford/West Bradford township line. It is 78 feet long and 14 feet wide and is owned by Chester County.","why_significant":"The document describes the bridge as one of eight covered bridges in Chester County listed as a group under a thematic nomination. It is cited as a good example of mid-to-late 19th century covered bridge construction and of the county's early-to-late 19th century transportation history. Its horizontal clapboard siding and stepped portals are noted as distinguishing features.","narrative":"Gibson's Covered Bridge is a Burr truss span carrying a township road across the East Branch of Brandywine Creek at Gibson's Ford, southeast of Downingtown in Chester County, Pennsylvania. Edward H. Hall and Thomas E. Schull built it in 1872 for $2,666. The bridge is also known as Harmony Hill Bridge. It measures 78 feet long and 14 feet wide and is owned by Chester County. Its horizontal clapboard siding and stepped portals distinguish it from other county bridges. It was nominated as one of eight Chester County covered bridges listed together under a thematic group. The group is regarded as representative of mid-to-late 19th century covered bridge construction and of the county's transportation history. The bridge was recorded in good condition at the time of nomination.","period_of_significance":"1872","architect_builder":"Edward H. Hall and Thomas E. Schull (builders)","architectural_style":null,"criteria":[],"status_note":"Condition recorded as good","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:34.25644-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/80003456.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80003456/54af3fd3bb-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80003456/54af3fd3bb-1600.webp","licence":"CC BY-SA 3.0","author":"User:Choess","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Gibson%27s_Covered_Bridge.JPG\" rel=\"noopener\">User:Choess</a>, <a href=\"https://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:Gibson%27s_Covered_Bridge.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71992680","wikipedia":"https://en.wikipedia.org/wiki/Gibson%27s_Covered_Bridge","wikidata":"https://www.wikidata.org/wiki/Q5559251"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/chester-county/gibsons-covered-bridge-80003456/"}