Rio Grande Bridge at San Juan Pueblo

Built in 1925. Listed on the National Register of Historic Places in 1997.

From the record

“The Rio Grande Bridge at San Juan Pueblo, crossing the Rio Grande near Alcalde, New Mexico, is a Parker pony truss bridge built in 1925. It was listed on the National Register of Historic Places in 1997.”
Wikipedia article Rio Grande Bridge at San Juan Pueblo, CC BY-SA 4.0.

One of 46 National Register listings published here for Rio Arriba County · listed in 1997 · category: Structure · built in 1925.

Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service

The listing

What is counted as historic. The nomination lists 1 structure as contributing to the listing.
Address. NM 74 over Rio Grande, Alcalde, 87566
When was it listed? August 1997
Category. structure
Also known as. Historic Highway Bridges of New Mexico MPS
Census division. South Rio Arriba
When was it built? 1925
National Register reference number. 97000738 - the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.

Fires near this property

339 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 339 fires within 5 miles of Rio Grande Bridge at San Juan Pueblo between 1992 and 2020, burning about 2,286 acres in total. 9 started naturally. 63 were recorded as arson. Distance is straight-line from the map coordinates, so a fire counted here may appear on a neighbouring settlement's page as well.

Reported cause	Fires
Debris and open burning	146
Missing data/not specified/undetermined	73
Arson/incendiarism	63
Fireworks	15
Misuse of fire by a minor	9
Natural	9
Equipment and vehicle use	8
Recreation and ceremony	6
Smoking	6
Power generation/transmission/distribution	3
Other causes	1

The most recent of them, most recent first, with the day each was reported and the service that recorded it.

Date	Cause	Size	Reported by	Name on the report
9 September 2004	Missing data/not specified/undetermined	under an acre	New Mexico State Forestry Division	PHILIP
19 September 2007	Debris and open burning	under an acre	Northern Pueblos Agency	DEBRIS
7 August 1993	Arson/incendiarism	1.0 acres	Northern Pueblos Agency	FENCE
15 August 2000	Debris and open burning	under an acre	Northern Pueblos Agency	DUMP
14 August 2020	Debris and open burning	under an acre	Northern Pueblos Agency	PILE
10 August 2015	Debris and open burning	under an acre	Northern Pueblos Agency	STONE QUARRY
10 August 2008	Debris and open burning	under an acre	Northern Pueblos Agency	NOEL
8 July 2012	Debris and open burning	under an acre	Northern Pueblos Agency	COUNTY 56

Every fire recorded in Rio Arriba County

Mines and quarries near this property

10 of 15 shown

Regional context, not property-specific evidence. The federal mineral resources record lists 15 workings within 5 miles of Rio Grande Bridge at San Juan Pueblo: 9 prospects, 3 past producers, 2 unknowns, 1 producer. 1 still produces. What was taken out: Sand and Gravel, Construction, Diatomite. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Site	Commodity	Status	Recorded
Diatomaceous Earth Pit	Diatomite	Unknown
J.H. Rhoades Pumice Co. Diatomite Mine	Diatomite	Past Producer	1953, 1954
James H Rhode	Diatomite	Prospect
Rhodes Diatomite Pit	Diatomite	Past Producer
Bartholomew - Sanchez Grant Pit	Sand and Gravel, Construction	Past Producer
Lowdermilk	Sand and Gravel, Construction	Producer
Materials Pit No. 55-70-S	Sand and Gravel, Construction	Prospect
Materials Pit No. 59-55-S	Sand and Gravel, Construction	Prospect
Materials Pit No. 59-56-S	Sand and Gravel, Construction	Prospect
Materials Pit No. 59-60-S	Sand and Gravel, Construction	Prospect

Every working recorded in Rio Arriba County

Storms near this property

4 since 2000

Regional context, not property-specific evidence. The National Weather Service names Alcalde, the town this property stands in, in 4 storm reports between 2000 and 2016: 2 thunderstorm wind, 1 lightning, 1 hail. The reports record 1 injury. Each account below is quoted exactly as the forecast office filed it, from the NOAA Storm Events Database, and each date opens the federal record of that event.

When	Event	Place named	Harm	What the report says
August 2000	Lightning	Alcalde	1 hurt	An 18-year old man suffered burns from a lightning strike.
July 2000	Thunderstorm Wind	Alcalde	$50,000	no account filed
June 2007	Thunderstorm Wind	Alcalde	$5,000	A roof was blown off a mobile home.
August 2016	Hail	Alcalde	-	Nickel size hail in Alcalde.

Every storm recorded in Rio Arriba County

Map coverage status

No historic map-sheet match is published for this property yet. That does not mean no map exists. This record needs a coordinate-quality review before it can be joined to a sheet boundary. Browse the county's mapped places while that work is pending.

Listed places nearby

5 within 8 miles

Other National Register properties close enough to walk or drive between, ordered by distance from this one. Both positions come from the same geocoding pass that matched these properties to their map sheets.

Property	Distance	Listed
San Juan Pueblo	1.3 miles	1974
Frank Bond House	4.5 miles	1980
Chimayo Trading Post and Trujillo, E.D., House	4.7 miles	1999
Los Luceros Hacienda	5.2 miles	1983
Santa Clara Pueblo	6.1 miles	1974

Sources for this property

National Archives record	The nomination case file for reference 97000738 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Rio Arriba County	All 46 listed properties in this county.

Provenance

Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.
Storms. NOAA National Centers for Environmental Information, Storm Events Database https://www.ncei.noaa.gov/stormevents/ A work of the United States government, no copyright under 17 U.S.C. 105. Narratives are quoted verbatim from the National Weather Service report and are not edited or summarised.