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Rio Grande Bridge at Radium Springs

Rio Grande Bridge at Radium Springs is a New Mexico historical marker in Doña Ana County.

NM Highway 185 -- Radium Springs -- 1 mile south of Radium Springs

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This structure – one of the best surviving examples of timber and beam bridge construction in the state – was erected in 1933. The superstructure consists of 19 spans, each 25 feet in length. The roadway is 475 feet long. During the 1920s and 30s, timber beam bridges were an economical and easily maintained solution for crossing arroyos and waterways. Although the bridge no longer carries motorized traffic, it continues to serve pedestrians, bicyclists and equestrians.

The Historic Preservation Division notes that its marker spreadsheet may be out of date and in places inaccurate, and that it does not know where every marker now stands. These pages carry the spreadsheet’s record; a marker listed here may have moved or may no longer stand. the program’s page ↗

Slide toward Today to fade the historical sheet and see the modern map underneath.

USGS Historical Topographic Map Collection

Historical maps covering this location

State of New Mexico. General Land Office, 1927, covering the location of Rio Grande Bridge at Radium Springs, with a pin at the marker's coordinates
State of New Mexico. General Land Office, 1927, covering this location. David Rumsey Map Collection, Stanford Libraries. The pin is ours, placed from the marker's coordinates.
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For example, one family's tree showed the Articles of Confederation marker in Pennsylvania standing under a mile from where William Gabby lived in the 1760s.

What that marker records spans 1777 to 1789, overlapping William Gabby's years there.

From one family's 77-marker roster

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Marker data: Official Scenic Historic Markers program, New Mexico Historic Preservation Division, Department of Cultural AffairsMarker texts come from the Division’s published marker spreadsheet, reproduced with the Division’s written permission. Where that spreadsheet records a coordinate, the pin is the Division’s own; where it records only a highway and mile marker, an address, a junction or a named place, or where its coordinate contradicts its own highway, mile and county, the pin is ours, resolved on public road and place data and marked approximate.

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