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Photograph of EDZ Irigary Bridge
Photograph by Clayton B. Fraser, Public domain. Via Wikimedia Commons.

EDZ Irigary Bridge

Listed on the National Register of Historic Places in 1985.

From the record

One of 22 National Register listings published here for Johnson County · listed in 1985 · category: Structure.

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

The listing

  • What is counted as historic. The nomination lists 1 structure as contributing to the listing.
  • Address. Cty. Rd. CN16-254, Sussex, 82639
  • When was it listed? February 1985
  • Category. structure
  • Also known as. Vehicular Truss and Arch Bridges in Wyoming TR
  • Census division. Kaycee
  • National Register reference number. 85000427 - 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 1996

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 9 fires within 5 miles of EDZ Irigary Bridge between 1996 and 2020, burning about 414 acres in total. 5 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
Natural5
Missing data/not specified/undetermined3
Debris and open burning1

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

DateCause SizeReported by Name on the report
9 August 1996Natural160 acresCasper Field OfficeHARRIET 96
3 August 2010Missing data/not specified/undetermined23 acresBuffalo Field OfficeFLOWING FIRE
9 July 2017Natural19 acresBuffalo Field OfficeSCHOOL SECTION DRAW
29 July 2016Missing data/not specified/undetermined18 acresWyoming State Forestrynot named
28 July 2020Natural61 acresWyoming State Forestry (CPC Area)IRIGARAY ROAD
21 July 1999Natural4.0 acresCasper Field OfficeWINDMILL
21 July 1999Natural8.0 acresCasper Field OfficeIBERLIN
20 May 2014Debris and open burning21 acresBuffalo Field OfficeBELL FOURCHE

Every fire recorded in Johnson County

Mines and quarries near this property

2 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 2 workings within 5 miles of EDZ Irigary Bridge: 1 producer, 1 occurrence. 1 still produces. What was taken out: Uranium. Distance is straight-line from the map coordinates, so a quarry counted here may appear on a neighbouring settlement's page as well.

Where SiteCommodity StatusRecorded
Irigaray MineUraniumProducerstratabound
UnknownUraniumOccurrence

Every working recorded in Johnson County

Storms near this property

16 since 1998

Regional context, not property-specific evidence. The National Weather Service names Sussex, the town this property stands in, in 16 storm reports between 1998 and 2016: 11 hail, 4 funnel cloud, 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.

WhenEvent Place namedHarm What the report says
May 2015FloodSussex$5,000A flood wave moved north down the Powder River as a result of heavy rain over the Memorial Day Weekend. For the most part, impacts were confined to low lying land nearest the river. However, there was flooding of some infrastructure near the Interstate 90 Powder River bridge in eastern Johnson County.
June 2014HailSussex$5,000Golf ball sized and larger hail fell at a ranch east of Kaycee along State Highway 192. The largest stones were 3 inches in diameter. The large hail broke windows and screens, cracked a few windshields, and caused minor damage to ranch buildings.
May 2016HailSussex-The public reported half dollar sized hail at a rural ranch near the Powder River north of Sussex in far eastern Johnson County.
June 2015Funnel CloudSussex-A trained spotter reported a funnel cloud between Kaycee and Sussex.
June 2014HailSussex-Hail up to one inch in diameter was observed at a ranch east of Kaycee.
May 2013HailSussex-Three-quarter inch diameter hail fell at a ranch near Sussex.
May 2013HailSussex-Nickel sized hail was observed at a ranch near Sussex.
June 2008HailSussex-Hail of nickel to quarter size fell near Sussex for 15 minutes.
June 2002HailSussex-no account filed
June 2002HailSussex-no account filed
June 2001HailSussex-no account filed
July 2001HailSussex-no account filed
July 2001HailSussex-no account filed
July 2001Funnel CloudSussex-no account filed
July 1998Funnel CloudSussex-no account filed
June 1998Funnel CloudSussex-no account filed

Every storm recorded in Johnson 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 recordThe nomination case file for reference 85000427 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Johnson CountyAll 22 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.