Canyon Diablo Bridge

Built in 1915. Listed on the National Register of Historic Places in 1988.

From the record

“Canyon Diablo Bridge is an abandoned automobile bridge in Coconino County, Arizona, United States, approximately 30 mi (48 km) east of Flagstaff, Arizona. The bridge carried Route 66 over Canyon Diablo.”
Wikipedia article Canyon Diablo Bridge, CC BY-SA 4.0.

One of 140 National Register listings published here for Coconino County · listed in 1988 · category: Structure · built in 1915, by Topeka Bridge & Iron Co..

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. Abandoned grade of US 66 over Diablo Canyon, Winona, 86047
When was it listed? September 1988
Category. structure
Also known as. Vehicular Bridges in Arizona MPS
Census division. Flagstaff
When was it built? 1915
Architect. Topeka Bridge & Iron Co.
National Register reference number. 88001664 - 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

38 since 1994

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 38 fires within 5 miles of Canyon Diablo Bridge between 1994 and 2020, burning about 211 acres in total. 1 started naturally. None was 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
Missing data/not specified/undetermined	22
Smoking	6
Equipment and vehicle use	4
Railroad operations and maintenance	3
Debris and open burning	1
Recreation and ceremony	1
Natural	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
21 September 2017	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - Northern District	RIMMY
21 September 1996	Recreation and ceremony	under an acre	Arizona Department of Forestry and Fire Management - State Office	not named
28 August 2019	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - Northern District	TWO GUNS
18 July 2018	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - Northern District	GUNS
16 July 2005	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - State Office	BAR- T
1 July 1999	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - State Office	TRACKS
1 July 1999	Missing data/not specified/undetermined	under an acre	Arizona Department of Forestry and Fire Management - State Office	CONUNDRUM`
8 June 2001	Smoking	2.5 acres	Arizona Department of Forestry and Fire Management - State Office	227

Every fire recorded in Coconino County

Mines and quarries near this property

1 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 1 working within 5 miles of Canyon Diablo Bridge: 1 unknown. None of them still produces. What was taken out: Sand and Gravel, Construction. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where	Site	Commodity	Status	Recorded
	Gravel Pit	Sand and Gravel, Construction	Unknown

Every working recorded in Coconino County

Storms near this property

6 since 1997

Regional context, not property-specific evidence. The National Weather Service names Winona, the town this property stands in, in 6 storm reports between 1997 and 2006: 2 flood, 2 flash flood, 1 tornado, 1 wildfire. No death or injury is recorded in these reports. 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 1997	Flood	Winona	$1,000	Minor flooding of dirt roads and ponding of water in Winona.
July 2006	Flash Flood	Winona	-	A flash flood covered I-40 between mile post 217 and 219 near Twin Arrows. Several traffic accidents reported.
August 2005	Flash Flood	Winona	-	Heavy rain (up to 5 inches) caused flooding along Townsend-Winona Road. One home had two inches of water in it.
July 2000	Wildfire	Winona	-	Lightning started a forest fire about 3 miles north of Winona (16 miles east of Flagstaff) on July 24. The Power Fire burned about 1500 acers in pinyon and juniper trees and grassland. Air tankers, helicopters, and about 70 people contained the fire by the evening of July 27.
September 1999	Tornado (F0)	Winona	-	A witness of this brief tornado was interviewed by a channel 3, a local TV station, the day of the event. In the interview, the witness described the rope like tornado descending from the cloud, and touching the ground twice in an open field.
September 1997	Flood	Winona	-	Several thunderstorms with heavy rain caused flooding on several secondary roads and one lane of eastbound Interstate 40 through Winona was closed due to flooding for one hour.

Every storm recorded in Coconino 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.

Sources for this property

National Archives record	The nomination case file for reference 88001664 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Coconino County	All 140 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.