{"nrhp_refnum":"80003637","name":"Shaffer's Bridge","other_names":[],"category":"structure","location":{"address":"W of Tire Hill on T 634, Conemaugh Township","address_restricted":false,"city":"Tire Hill","county":"Somerset County","state":"PA","lat":40.28122091800003,"lon":-78.96407925399996,"geom_source":"nps_gis"},"listed_date":"1980-12-10","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering","Transportation"],"significance_levels":["local"],"summary":{"what_it_is":"A covered Burr arch truss bridge over Ben's Creek, located 100 feet southeast of PA 985, about 2 miles north of Thomas Mills in Conemaugh Township, Somerset County, Pennsylvania. It is owned by Somerset County and dated 1877.","why_significant":"The document describes the bridge as a low Burr arch truss with a gable roof covered in wooden shingles and vertical plank side walls. It is listed as part of the county's covered bridges group. The text provided does not state the specific significance argument in detail.","narrative":"Shaffer's Bridge is a covered Burr arch truss bridge that crosses Ben's Creek in Conemaugh Township, Somerset County, Pennsylvania, about 2 miles north of Thomas Mills and reached along Township Road 634. The structure dates to 1877 and is owned by Somerset County. Its builder is not recorded. The bridge has a 68-foot, 2-inch end post length, a deck width of 13 feet, 2 inches, and a clearance of 11 feet. It carries a 3-ton load limit and has a timber deck. A gable roof covered with wooden shingles shelters the span. Vertical plank siding on the side walls reaches only to the top of the arch, about halfway up. The bridge is in good condition. It is one of the covered bridges in Somerset County and is recognized for its surviving historic form and construction.","period_of_significance":null,"architect_builder":null,"architectural_style":"Burr arch truss","criteria":[],"status_note":"Condition given 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 17:11:33.984377-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/80003637.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/80003637/76c047b987-800.webp","url_1600":"https://nationalhistoricalregister.com/media/80003637/76c047b987-1600.webp","licence":"CC BY-SA 3.0","author":"JERRYE &amp; ROY KLOTZ MD","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:SHAFFER_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:SHAFFER_BRIDGE.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71993859","wikipedia":"https://en.wikipedia.org/wiki/Shaffer%27s_Bridge","wikidata":"https://www.wikidata.org/wiki/Q7461010"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/somerset-county/shaffers-bridge-80003637/"}