{"nrhp_refnum":"95000552","name":"Valley Road Bridge, Stewartstown Railroad","other_names":[],"category":"structure","location":{"address":"Stewartstown RR tracks over Valley Rd., Hopewell Township","address_restricted":false,"city":"Stewartstown","county":"York County","state":"PA","lat":39.755331961000024,"lon":-76.60939327299997,"geom_source":"nps_gis"},"listed_date":"1995-05-04","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Transportation","Engineering"],"significance_levels":["local"],"summary":{"what_it_is":"A railroad bridge on the Stewartstown Railroad in Shrewsbury Township, York County, Pennsylvania, combining a Pratt-type steel truss with a later steel girder system. The truss was built in 1885 using a salvaged bridge originally made by the Keystone Bridge Company of Pittsburgh.","why_significant":"The nomination argues the bridge is a locally important example of railroad bridge engineering because it combines two types of construction in one structure. Its truss is uncommon in York County, and it is one of only two trusses of this style on the railroads surveyed. It is also significant for its association with the Stewartstown Railroad's transportation of goods.","narrative":"Along the route of the Stewartstown Railroad in Shrewsbury Township stands a bridge built in 1885 from a truss originally made by the Keystone Bridge Company of Pittsburgh. The truss had been used on a railroad in western Pennsylvania before being brought to York County. It is a Pratt design with twenty-two vertical braces and steel rods tying them together, supported on field stone abutments. By 1920 the truss had weakened, and steel girders salvaged from a Tyrone and Clearfield line bridge were placed on top of the abutments, which were extended with concrete. The truss was left in place. The bridge combines two types of construction in one structure, which makes it a locally important example of railroad bridge engineering. Truss bridges of this kind are uncommon in York County. The Stewartstown Railroad, a short line of 7.2 miles, carried goods for merchants east of New Freedom to the Northern Central Railway, giving the bridge its transportation significance.","period_of_significance":"1885-1940","architect_builder":"Keystone Bridge Company (fabricator of the original truss)","architectural_style":"Pratt truss","criteria":["A","C"],"status_note":"The railroad is still used periodically for freight and train excursions, and the bridge remains in good condition.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.33682-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/95000552.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/95000552/174204d940-800.webp","url_1600":"https://nationalhistoricalregister.com/media/95000552/174204d940-1600.webp","licence":"Public domain","author":"Joseph Elliott","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Valley_Road_Bridge,_Stewartstown_Railroad.jpg\" rel=\"noopener\">Joseph Elliott</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Valley_Road_Bridge,_Stewartstown_Railroad.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71994125","wikipedia":"https://en.wikipedia.org/wiki/Valley_Road_Bridge,_Stewartstown_Railroad","wikidata":"https://www.wikidata.org/wiki/Q7912192"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/york-county/valley-road-bridge-stewartstown-railroad-95000552/"}