DFU Elk Mountain Bridge

Listed on the National Register of Historic Places in 1985.

From the record

“The DFU Elk Mountain Bridge was a Warren pony truss bridge located near Elk Mountain, Wyoming, which carried Carbon County Road 120-1 over the Medicine Bow River. The bridge was built in 1823 by contractor D.”
Wikipedia article DFU Elk Mountain Bridge, CC BY-SA 4.0.

One of 43 National Register listings published here for Carbon County · listed in 1985 · category: Structure.

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. CR 120-1, Elk Mountain, 82324
When was it listed? February 1985
Category. structure
Also known as. Vehicular Truss and Arch Bridges in Wyoming TR
Census division. Hanna
National Register reference number. 85000416 - 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

9 since 2006

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 9 fires within 5 miles of DFU Elk Mountain Bridge between 2006 and 2020, burning about 52 acres in total. 1 started naturally. 1 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	4
Natural	1
Debris and open burning	1
Smoking	1
Arson/incendiarism	1
Equipment and vehicle use	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
8 September 2011	Missing data/not specified/undetermined	under an acre	Rawlins Field Office	MM 255
3 September 2018	Arson/incendiarism	under an acre	Carbon County	265 FIRE
24 August 2020	Missing data/not specified/undetermined	50 acres	Wyoming State Forestry	RIDLEY FIRE
20 June 2006	Missing data/not specified/undetermined	under an acre	Rawlins Field Office	I80 MP 255E
10 May 2018	Natural	under an acre	Carbon County	HOBBS
29 April 2018	Debris and open burning	under an acre	Carbon County	N/A
22 November 2020	Missing data/not specified/undetermined	under an acre	Carbon County	CHEROKEE
22 November 2020	Equipment and vehicle use	under an acre	Carbon County	MP262 GRASS

Every fire recorded in Carbon County

Mines and quarries near this property

3 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 3 workings within 5 miles of DFU Elk Mountain Bridge: 1 unknown, 1 past producer, 1 occurrence. None of them still produces. What was taken out: Sand and Gravel, Construction, Iron, Titanium, Metal. 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
Fiddler's Green	Iron, Titanium, Metal	Occurrence
State Pit	Sand and Gravel, Construction	Past Producer
Unknown Gravel Pits	Sand and Gravel, Construction	Unknown

Every working recorded in Carbon County

Storms near this property

10 since 2010

Regional context, not property-specific evidence. The National Weather Service names Elk Mountain, the town this property stands in, in 10 storm reports between 2010 and 2024: 7 thunderstorm wind, 2 hail, 1 flood. 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
July 2024	Thunderstorm Wind	Elk Mountain	-	WYDOT mesonet station along Interstate 80 at Elk Mountain (WY19) reported maximum wind gust.
August 2024	Thunderstorm Wind	Elk Mountain	-	WYDOT mesonet station along Interstate 80 at County Road 402 (WY20) measured wind gust 3 miles east-southeast of Elk Mountain.
July 2023	Thunderstorm Wind	Elk Mountain	-	WYDOT mesonet station along Interstate 80 at County Road 402 measured maximum wind gust.
April 2020	Thunderstorm Wind	Elk Mountain	-	Wyoming Department of Transportation sensor along Interstate 80 roughly three miles northwest of Elk Mountain measured the reported wind gust. Lightning data was not present before and shortly after the wind speeds were recorded.
June 2020	Thunderstorm Wind	Elk Mountain	-	WYDOT mesonet station WY19 - Elk Mountain along I-80 reported wind gust.
July 2015	Thunderstorm Wind	Elk Mountain	-	A peak wind gust of 63 mph was measured by the WYDOT sensor at Halleck Ridge.
July 2015	Thunderstorm Wind	Elk Mountain	-	A peak wind gust of 58 mph was measured by the WYDOT sensor at Halleck Ridge.
July 2010	Hail	Elk Mountain	-	Hail drifts of four to five inches deep against buildings.
June 2010	Flood	Elk Mountain	-	Excessive water from nearby snow melt caused the Medicine Bow river on the southwest side of town to flood. Houses near the river were sand bagged to prevent flood damage. Estimated time and duration of event.
June 2010	Hail	Elk Mountain	-	no account filed

Every storm recorded in Carbon 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

2 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.

Photograph	Property	Distance	Listed
	Elk Mountain Hotel	0.1 miles	1986
	Fort Halleck	5.5 miles	1970

Sources for this property

National Archives record	The nomination case file for reference 85000416 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Carbon County	All 43 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.