{"nrhp_refnum":"80003591","name":"Bistline Covered Bridge","other_names":["Flickinger's Mill Covered Bridge"],"category":"structure","location":{"address":"S of Andersonburg on LR 50008, Southwest Madison Township","address_restricted":false,"city":"Blain","county":"Perry County","state":"PA","lat":40.33400955800005,"lon":-77.47036787799993,"geom_source":"nps_gis"},"listed_date":"1980-08-25","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Transportation"],"significance_levels":["state"],"summary":{"what_it_is":"A covered bridge over Shermans Creek in Madison Township, Perry County, Pennsylvania, known as the Bistline (Flickinger's Mill) Covered Bridge. It is a Burr truss bridge built prior to 1871.","why_significant":"The nomination is part of a multiple-property group of covered bridges in Adams, Cumberland and Perry counties. The bridge is a surviving example of the Burr truss type, with oak planking laid diagonally on the top and reinforced I beams. Reviewers judged the group eligible, with the bridge's boundaries and integrity considered sufficient.","narrative":"A covered Burr truss bridge crossing Shermans Creek in Madison Township, Perry County, Pennsylvania, built before 1871. It is known locally as the Bistline or Flickinger's Mill Covered Bridge. The structure is 96 feet long on the top line, with a roadway width of 13 and a half feet and a clearance of 11 feet 7 inches. Its load limit is 10 tons. The top planking is oak, two inches thick and six feet wide, laid diagonally. Two reinforced I beams and two steel piers have been added to support it. The bridge is one of a group of covered bridges in Adams, Cumberland and Perry counties that were reviewed together as a multiple-property listing. Its historical significance rests on its surviving construction and its role as an example of a traditional bridge form in the region.","period_of_significance":null,"architect_builder":null,"architectural_style":"Burr truss","criteria":[],"status_note":null,"vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:33.606225-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/80003591.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80003591/d7bb294d96-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80003591/d7bb294d96-1600.webp","licence":"CC BY-SA 3.0","author":"JERRYE &amp; ROY KLOTZ MD","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:BISTLINE_COVERED_BRIDGE.jpg\" rel=\"noopener\">JERRYE &amp;amp; ROY KLOTZ MD</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:BISTLINE_COVERED_BRIDGE.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71993440","wikipedia":"https://en.wikipedia.org/wiki/Bistline_Covered_Bridge","wikidata":"https://www.wikidata.org/wiki/Q4918507"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/perry-county/bistline-covered-bridge-80003591/"}