Ciénega Bridge, Concrete arch bridge in Pima County, Arizona
Ciénega Bridge is a concrete arch structure crossing Ciénega Creek and Union Pacific Railroad tracks in Arizona. Its design features five separate spans with twin tapered ribs that narrow toward the ends of the structure.
The bridge was completed in 1921 by the Arizona Highway Department, replacing an earlier crossing at this location. It earned recognition on the National Register of Historic Places in 1988 for its historical significance.
The bridge represents early 20th-century transportation infrastructure development in Arizona, earning its place on the National Register of Historic Places in 1988.
Visiting this location requires advance permission from local authorities before accessing the bridge area. Check current access guidelines before planning your visit to ensure you have all necessary requirements.
The bridge offers a viewpoint for daily train traffic crossing the Union Pacific tracks below. Visitors can watch various trains pass, including long freight trains and the Amtrak Sunset Limited service that runs this route.
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