{"nrhp_refnum":"80003513","name":"Seigrist's Mill Covered Bridge","other_names":[],"category":"structure","location":{"address":"NE of Columbia on T 360, Rapho/West Hempfield Townships","address_restricted":false,"city":"Columbia","county":"Lancaster County","state":"PA","lat":40.076010386000064,"lon":-76.47103119399998,"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 Chickies Creek in Rapho and West Hempfield Townships, Lancaster County, Pennsylvania, owned by the county and the two townships. It is recorded as built in 1885 and has a span end post length of 82 feet and a width of 15 feet.","why_significant":"The document describes the bridge as a Burr truss structure with vertical board and batten siding, portal ends, cut stone abutments (concrete cased), and a gable roof, in good condition. It was nominated as part of the Covered Bridges of Lancaster County thematic group. The review notes indicate the bridge was accepted for its place among the county's surviving covered bridges.","narrative":"Seigrist's Mill Covered Bridge is a Burr truss covered bridge that crosses Chickies Creek between Rapho and West Hempfield Townships in Lancaster County, Pennsylvania. The record dates its construction to 1885. Its end post length is 82 feet and its width is 15 feet. The structure has vertical board and batten siding, portal ends, and a gable roof, and it rests on cut stone abutments that are concrete cased. The bridge is owned by Lancaster County and the two townships. It was listed as part of a group of covered bridges in Lancaster County that together illustrate the county's use of the Burr truss form in the nineteenth century. The record describes the trusses as being in good condition. The nomination notes that the abutments would need a larger boundary to be fully encompassed.","period_of_significance":null,"architect_builder":null,"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 17:11:32.48143-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/80003513.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80003513/58750bd4c7-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80003513/58750bd4c7-1600.webp","licence":"CC BY-SA 2.5","author":"Photo by and (c)2006 Derek Ramsey (Ram-Man)","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Siegrist%27s_Mill_Covered_Bridge_2600px.jpg\" rel=\"noopener\">Photo by and (c)2006 Derek Ramsey (Ram-Man)</a>, <a href=\"https://creativecommons.org/licenses/by-sa/2.5\" rel=\"license noopener\">CC BY-SA 2.5</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Siegrist%27s_Mill_Covered_Bridge_2600px.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71993215","wikipedia":"https://en.wikipedia.org/wiki/Siegrist%27s_Mill_Covered_Bridge","wikidata":"https://www.wikidata.org/wiki/Q7510746"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/lancaster-county/seigrists-mill-covered-bridge-80003513/"}