{"nrhp_refnum":"69000219","name":"Humpback Bridge","other_names":[],"category":"structure","location":{"address":"Spanning Dunlop Creek at bypassed section of former James River & Kanawha Turnpike (later, Midland Trail)","address_restricted":false,"city":"Callaghan","county":"Alleghany County","state":"VA","lat":37.80066324200004,"lon":-80.04692844799996,"geom_source":"nps_gis"},"listed_date":"1969-10-01","is_nhl":true,"nhl_designated_date":"2012-10-16","areas_of_significance":["Engineering"],"significance_levels":["national"],"summary":{"what_it_is":"A covered timber bridge over Dunlop Creek near Covington, Alleghany County, Virginia, built in 1835 as part of the James River and Kanawha Valley Turnpike. It now sits within a five-acre wayside off Route 60.","why_significant":"The nomination calls it the oldest remaining covered bridge in Virginia and the only one of its type in the country. It is presented as a skillful engineering feat and an example of fine craftsmanship. Its unique design and picturesque appearance make it a significant state and national landmark.","narrative":"Humpback Bridge crosses Dunlop Creek near Covington in Alleghany County, Virginia. Built in 1835 as part of the James River and Kanawha Valley Turnpike, it is made of hand-hewn oak timbers joined with locust pins instead of nails. The single span of about one hundred feet has no middle support, and the center of the floor and roof rises eight feet above the ends, which gives the structure its humped profile. High stone foundations carry the ends. Since 1953 the bridge has been part of a five-acre wayside along Route 60 near Interstate 64, and it now carries only foot traffic. It was listed because it is described as the oldest remaining covered bridge in Virginia and the only one of its type in the country. The nomination praises it as a skillful engineering achievement and fine craftsmanship, with a distinctive design that makes it a landmark of state and national interest.","period_of_significance":"1835","architect_builder":null,"architectural_style":"Covered bridge","criteria":[],"status_note":"Condition listed as fair; since 1953 part of a five-acre wayside, now used only for foot traffic.","vacant_flag":null,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:51:57.077948-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/88/6794/41679488/content/electronic-records/rg-079/NPS_VA/69000219.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/69000219/b0514f2ddd-800.webp","url_1600":"https://nationalhistoricalregister.com/media/69000219/b0514f2ddd-1600.webp","licence":"Public domain","author":null,"credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Humpback_1-1-.jpg\" rel=\"noopener\">Unknown author</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Humpback_1-1-.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/41679488","wikipedia":"https://en.wikipedia.org/wiki/Humpback_Covered_Bridge","wikidata":"https://www.wikidata.org/wiki/Q5941227"},"indexable":true,"url":"https://nationalhistoricalregister.com/virginia/alleghany-county/humpback-bridge-69000219/"}