{"nrhp_refnum":"88000818","name":"Jerome Street Bridge","other_names":[],"category":"structure","location":{"address":"Fifth Ave. over Youghiogheny River","address_restricted":false,"city":"Glassport","county":"Allegheny County","state":"PA","lat":40.35082226700007,"lon":-79.87029697299994,"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 two-hinged, through arch highway bridge carrying Jerome Street over the Youghiogheny River between McKeesport and Glassport in Allegheny County, Pennsylvania. It was built in 1935 by the Fort Pitt Bridge Works.","why_significant":"The nomination describes the bridge as an intact example of a two-hinged, through arch bridge, with its hinges visible at the piers and its roadway supported from hangers. It is one of only two examples of this bridge type included in the multiple-resource nomination. The significance is placed under engineering.","narrative":"Jerome Street Bridge is a steel two-hinged through arch highway bridge crossing the Youghiogheny River between McKeesport and Glassport in Allegheny County, Pennsylvania. Built in 1935 by the Fort Pitt Bridge Works, the main arch spans 455 feet, and the overall length is 762 feet. The roadway hangs from hangers suspended from the arch, and the two hinges are visible at the piers. The bridge is regarded as an intact example of its type, and it is one of only two examples of this bridge type included in its multiple-resource nomination. Its significance rests on engineering, reflecting the structural design of the two-hinged arch and the preservation of its original form. The bridge is one of the Highway Bridges Owned by the Commonwealth of Pennsylvania, Department of Transportation, and it was entered in the register on June 22, 1988.","period_of_significance":null,"architect_builder":"Fort Pitt Bridge Works (builder/bridge company); designer/engineer unknown","architectural_style":"Two-hinged through arch bridge","criteria":[],"status_note":"Vehicular use, unaltered original structure as described in the form.","vacant_flag":false,"machine_generated":true,"model":"claude-haiku-5-5","prompt_version":"v1.1-2026-10-29","generated_at":"2026-10-29 17:11:35.779695-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_PA/88000818.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/88000818/a0d7067f7f-800.webp","url_1600":"https://nationalhistoricalregister.com/media/88000818/a0d7067f7f-1600.webp","licence":"CC BY-SA 4.0","author":"Lee Paxton","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:JeromeStreetBridge.jpg\" rel=\"noopener\">Lee Paxton</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:JeromeStreetBridge.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71992216","wikipedia":"https://en.wikipedia.org/wiki/Jerome_Street_Bridge","wikidata":"https://www.wikidata.org/wiki/Q14629103"},"indexable":true,"url":"https://nationalhistoricalregister.com/pennsylvania/allegheny-county/jerome-street-bridge-88000818/"}