New Mexico State Road 189
highway in New Mexico
State Road 189 (NM 189) is a 1.200-mile-long (1.931 km) paved, two-lane state highway in Doña Ana County in the U.S. state of New Mexico. NM 189's western terminus is near Vado at the road's junction with NM 478, and the eastern terminus is at the road's junction with NM 28 within La Mesa community.
Route description
The highway begins at the junction with NM 28 in La Mesa. The road heads east through pecan orchards and fields of Mesilla Valley for 0.54 miles (0.87 km) before turning northeast. At 0.870 miles (1.400 km) the highway crosses the Rio Grande river over a 476.1-foot-long (145.1 m) bridge, built in 1941. The road continues northeast and crosses railroad tracks of El Paso Subdivision of BNSF Railway right before reaching its eastern terminus at intersection with NM 478.
History
The section occupied by modern day NM 189 was initially built in 1940-1942 as part of the surge in infrastructure projects across the United States to support wartime logistics and troop movements as a connector between NM 28 and US 85 in Vado. From late 1950s this stretch was part of NM 227 running between NM 28 and U.S. Route 85 (US 85). In 1988, the New Mexico Department of Transportation (NMDOT) went through a radical road renumbering program, and this stretch was designated as NM 189.
Major intersections
The entire route is in Doña Ana County.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated May 16, 2025. The linked authority identifier is Q43379462. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1941, 1940, 1942 and 1988.
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This entry incorporates text from “New Mexico State Road 189” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.