{"nrhp_refnum":"88000843","name":"Belmont Avenue Bridge in Philadelphia","other_names":["See Also:Fairmont Park Historic District"],"category":"structure","location":{"address":"Belmont Ave. over Ramp B","address_restricted":false,"city":"Philadelphia","county":"Philadelphia","state":"PA","lat":39.993535303000044,"lon":-75.21796791699995,"geom_source":"nps_gis"},"listed_date":"1988-06-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering"],"significance_levels":["state"],"summary":{"what_it_is":"A single-span stone arch bridge carrying Belmont Avenue over Ramp B in Fairmount Park, Philadelphia. It is 29 feet long, built of large cut stone blocks.","why_significant":"The nomination describes it as a typical late nineteenth century stone arch bridge and notes it is the only nominated example in Philadelphia County of the single-span stone arch type, which was frequently built in southeastern Pennsylvania during the 19th century. The area of significance is engineering.","narrative":"Belmont Avenue crosses over Ramp B in Fairmount Park, Philadelphia, on a single-span stone arch bridge built of rock-face ashlar in the late 1890s. The span measures 29 feet, and the overall structure is about 90 feet long. The bridge is an urban overpass, and the survey form records it as unaltered from its original construction. Its significance lies in its engineering. It is described as a typical example of the late nineteenth century stone arch bridge, a type frequently built in southeastern Pennsylvania during the 1800s. Within Philadelphia County, it is the only nominated example of this single-span stone arch type, which gives it particular value as a surviving representative of that bridge form in the region.","period_of_significance":null,"architect_builder":null,"architectural_style":null,"criteria":[],"status_note":"Unaltered according to the integrity section of the survey form.","vacant_flag":null,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:37.06131-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/88000843.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/88000843/3850e7f6d0-800.webp","url_1600":"https://nationalhistoricalregister.com/media/88000843/3850e7f6d0-1600.webp","licence":"Public domain","author":"Smallbones","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Better_Belmont_Bridge.JPG\" rel=\"noopener\">Smallbones</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Better_Belmont_Bridge.JPG"},"district":{"nrhp_refnum":"72001151","name":"Fairmount Park","url":"https://nationalhistoricalregister.com/districts/pennsylvania/fairmount-park-72001151/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71993799","wikipedia":"https://en.wikipedia.org/wiki/Belmont_Avenue_Bridge_in_Philadelphia","wikidata":"https://www.wikidata.org/wiki/Q4884327"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/philadelphia/belmont-avenue-bridge-in-philadelphia-88000843/"}