{"nrhp_refnum":"07001094","name":"Mueller Bridge","other_names":["Aa03-65-001","Bridge at McAlister Crossing"],"category":"structure","location":{"address":"CR 337 over Cibolo Cr.","address_restricted":false,"city":"La Vernia","county":"Wilson County","state":"TX","lat":29.353224657000055,"lon":-98.07468662499997,"geom_source":"nps_gis"},"listed_date":"2007-10-16","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Engineering","Transportation"],"significance_levels":["state","local"],"summary":{"what_it_is":"A three-span Warren polygonal-chord pony truss bridge, 252 feet long, carrying County Road 337 over Cibolo Creek near La Vernia, Wilson County, Texas. It was built in 1915 by the Alamo Construction Company of San Antonio.","why_significant":"The bridge is significant under Criterion C for engineering at the state level as one of two multi-span Warren polygonal top chord bridges in Texas, a rare type. It is also significant under Criterion A for transportation at the local level, because it replaced a low-water crossing and created a safe all-weather route between the old Sutherland Springs-Seguin Road and the old Chihuahua Road.","narrative":"Spanning Cibolo Creek on County Road 337 near La Vernia, this 252-foot steel pony truss bridge was built in 1915 by the Alamo Construction Company of San Antonio. Wilson County commissioners authorized it that May as part of a five-bridge program, and it was finished by November at a cost of $8,650. It replaced a low-water crossing used by settlers on both sides of the creek and gave the area a safe, all-weather route. Locally it has been called both the Bridge at McAlister Crossing and the Mueller Bridge. Its three spans use a Warren truss with a polygonal top chord, a design that allowed longer spans. The Texas historic bridge inventory identifies it as one of only two multi-span bridges of this type in Texas, which makes it a rare survivor. It has been closed to traffic since 1988, and flooding, fires and neglect have damaged the deck, abutments and steel members.","period_of_significance":"1915","architect_builder":"Alamo Construction Company of San Antonio","architectural_style":"Warren polygonal chord truss","criteria":["A","C"],"status_note":"Closed to vehicular traffic since 1988; damaged by vandalism, flooding and neglect, with part of the northeast abutment washed out and the bridge described as in danger of collapse without shoring.","vacant_flag":true,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:54:23.480513-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/opastorage/live/85/9708/40970885/content/electronic-records/rg-079/NPS_TX/07001094.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/07001094/a03faaf76a-800.webp","url_1600":"https://nationalhistoricalregister.com/media/07001094/a03faaf76a-1600.webp","licence":"CC BY-SA 4.0","author":"Darrylpearson","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Bridge(mcalister-crossing)(mueller-bridge)2016-3.jpg\" rel=\"noopener\">Darrylpearson</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:Bridge(mcalister-crossing)(mueller-bridge)2016-3.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40970885","wikipedia":"https://en.wikipedia.org/wiki/Mueller_Bridge","wikidata":"https://www.wikidata.org/wiki/Q6931947"},"indexable":true,"url":"https://nationalhistoricalregister.com/texas/wilson-county/mueller-bridge-07001094/"}