{"nrhp_refnum":"99001318","name":"Palmer Brook Bridge","other_names":[],"category":"structure","location":{"address":"Golf Course Rd. over Palmer Brook","address_restricted":false,"city":"AuSable Forks","county":"Clinton County","state":"NY","lat":44.44370250700007,"lon":-73.67432190099998,"geom_source":"nps_gis"},"listed_date":"1999-11-12","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Transportation","Politics/Government","Engineering","Architecture"],"significance_levels":["local"],"summary":{"what_it_is":"A small two-lane, stone-faced reinforced-concrete arch bridge built in 1938 that carries Golf Course Road over Palmer Brook in the hamlet of AuSable Forks, town of Black Brook, Clinton County, New York.","why_significant":"The nomination argues it is a simple, highly intact example of WPA-era highway bridge engineering, design and construction, deliberately designed to blend with its picturesque residential setting. It is also significant for its role in the region's transportation history. Of three WPA-era bridges in the multiple property group, only this one was actually built with Works Progress Administration assistance.","narrative":"Palmer Brook Bridge is a compact, two-lane arch bridge of reinforced concrete faced with stone, built in 1938 to carry Golf Course Road over Palmer Brook in AuSable Forks, a hamlet in the town of Black Brook. It measures roughly 25 feet long, 15 feet wide and 6 feet high, and a cast-iron marker records that the Town of Black Brook improved it with Works Progress Administration assistance. The road leads to a small nine-hole golf course laid out in the early twentieth century, when the local pulp and paper industry was prospering, and the bridge served as a modest gateway to it. Its design shares an aesthetic with two other bridges in the region, at Wilmington and AuSable Chasm, but only this one was built with WPA help. It was listed as a well-preserved, locally important example of Depression-era public works and of bridge design meant to suit its residential surroundings.","period_of_significance":"1938 - 1948","architect_builder":"Unknown","architectural_style":"Other: stone-faced, reinforced concrete arch bridge","criteria":["A","C"],"status_note":"Retains a high level of integrity and is in reasonably good condition; no alterations known; still carries traffic (current function listed as transportation).","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:51:50.138099-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_NY/99001318.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/99001318/20d26a7329-800.webp","url_1600":"https://nationalhistoricalregister.com/media/99001318/20d26a7329-1600.webp","licence":"CC BY-SA 4.0","author":"Magicpiano","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:AusableForksNY_ReplacementPalmerCreekBridge2.jpg\" rel=\"noopener\">Magicpiano</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:AusableForksNY_ReplacementPalmerCreekBridge2.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/75312357","wikipedia":"https://en.wikipedia.org/wiki/Palmer_Brook_Bridge","wikidata":"https://www.wikidata.org/wiki/Q7128213"},"indexable":true,"url":"https://nationalhistoricalregister.com/new-york/clinton-county/palmer-brook-bridge-99001318/"}