DSD Bridge over Cheyenne River

Listed on the National Register of Historic Places in 1985.

From the record

“The DSD Bridge across the Cheyenne River in Wyoming is a single-span truss bridge built circa 1915. The steel seven-panel Pennsylvania truss spans 130.67 feet (39.83 m) on Niobrara County Road CN14-46.”
Wikipedia article DSD Bridge over Cheyenne River, CC BY-SA 4.0.

One of 4 National Register listings published here for Niobrara 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. Cty. Rd. CN14-46, Riverview, 82225
When was it listed? February 1985
Category. structure
Also known as. Vehicular Truss and Arch Bridges in Wyoming TR
Census division. East Niobrara
National Register reference number. 85000429 - 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

6 since 1998

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 6 fires within 5 miles of DSD Bridge over Cheyenne River between 1998 and 2016, burning about 109 acres in total. 3 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	3
Natural	3

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 August 2016	Missing data/not specified/undetermined	1.0 acres	Wyoming State Forestry	not named
8 August 2016	Missing data/not specified/undetermined	1.0 acres	Wyoming State Forestry	not named
30 August 2011	Natural	7.0 acres	New Castle Field Office	NIOBRARA 3
11 August 1998	Natural	under an acre	South Dakota Wildland Fire Suppression	TWENTY ONE DIVIDE
21 July 2012	Natural	100 acres	New Castle Field Office	STATE LINE
20 March 2007	Missing data/not specified/undetermined	under an acre	South Dakota Wildland Fire Suppression	not named

Every fire recorded in Niobrara 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 85000429 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Niobrara County	All 4 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.