Dearborn River High Bridge

Built in 1897. Listed on the National Register of Historic Places in 2003.

From the record

“The Dearborn River High Bridge is a Pratt half-deck truss bridge built in 1897, and has been placed on the National Register of Historic Places as it is one of the few bridges of its type left standing in the United States. On a half-deck bridge, the deck is attached in the center rather than, as is more common, top or bottom of the superstructure.”
Wikipedia article Dearborn River High Bridge, CC BY-SA 4.0.

One of 82 National Register listings published here for Lewis and Clark County · listed in 2003 · category: Structure · built in 1897.

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. 15 mi. SW of Augusta on Bean Lake Rd., Augusta, 59410
When was it listed? December 2003
Category. structure
Census division. Augusta
When was it built? 1897
National Register reference number. 03001298 - 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

7 since 1992

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 7 fires within 5 miles of Dearborn River High Bridge between 1992 and 2018, burning about 1,609 acres in total. 2 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	4
Natural	2
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
30 September 1992	Missing data/not specified/undetermined	760 acres	Central Land Office	GOBBLERS KNOB
12 August 2018	Natural	under an acre	Central Land Office	CUNIFF BASIN
19 July 2017	Missing data/not specified/undetermined	under an acre	Central Land Office	AUGUSTA
19 July 2017	Missing data/not specified/undetermined	under an acre	Central Land Office	AUGUSTA
15 July 2017	Natural	790 acres	Central Land Office	HIGHWAY 435 MA
14 July 2017	Missing data/not specified/undetermined	4.0 acres	Central Land Office	AUGUSTA
24 March 1999	Equipment and vehicle use	55 acres	Central Land Office	JOSLIN

Every fire recorded in Lewis and Clark 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 Dearborn River High Bridge: 1 unknown. None of them still produces. What was taken out: Lead, Gold, Silver, Zinc. 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
	Magma	Lead, Gold, Silver, Zinc	Unknown

Every working recorded in Lewis and Clark County

Storms near this property

30 since 1996

Regional context, not property-specific evidence. The National Weather Service names Augusta, the town this property stands in, in 30 storm reports between 1996 and 2022: 13 hail, 10 thunderstorm wind, 3 heavy rain, 2 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
June 2022	Heavy Rain	Augusta	-	Social media report.
July 2022	Hail	Augusta	-	Photo on social media shows ground covering hail with up to quarter sized stones. Time estimated from radar.
July 2021	Hail	Augusta	-	Forest service tower staff reported quarter sized hail (1 inch in diameter).
July 2021	Hail	Augusta	-	Co-Op observer reported 1 inch hail.
May 2020	Heavy Rain	Augusta	-	Trained spotter reports 24 hour (Tuesday 5/19 AM to Wednesday 5/20 AM) rainfall total of 1.5 inches.
May 2018	Hail	Augusta	-	KRTV relayed report and pictures of quarter-size hail 1-mile SE of Augusta. Time of report was estimated via radar.
June 2018	Flood	Augusta	-	Report of 8 to 12-inches of floodwater along Main Street in Augusta due to Elk Creek overflowing its banks.
March 2014	Flood	Augusta	-	County emergency managers and law enforcement reported numerous are of water flowing across roads and ponding in poor drainage areas.
June 2013	Hail	Augusta	-	Severe hail measuring 1.75 inches (approximately golf ball sized) was reported 17 miles WNW of Augusta, MT. Reports of vehicle and metal roof damage were also received.
July 2012	Thunderstorm Wind	Augusta	-	Outflow winds produced a wind gust to 53KT (61MPH) 31 miles NW of Augusta.
June 2011	Thunderstorm Wind	Augusta	-	A thunderstorm produced a wind gust to 60 mph at Augusta 2SW.
July 2010	Hail	Augusta	-	A thunderstorm dropped 1 inch diameter hail at Augusta 18SE.
August 2009	Flash Flood	Augusta	-	Heavy rain from slow moving thunderstorms produced flash flooding near Crown Mountain in the Bob Marshall/Scapegoat Wilderness Area. The flash flooding produced a mudslide near the Crown Mountain trailhead which is located near Benchmark, off of Road 235.
May 2008	Thunderstorm Wind	Augusta	-	A severe thunderstorm produced a wind gust to 60 mph at Augusta.
July 2008	Hail	Augusta	-	A severe thunderstorm dropped 1.75 inch diameter hail at Augusta 18SE (Bowmans Corners).
July 2008	Thunderstorm Wind	Augusta	-	A severe thunderstorm produced a wind gust to 60 mph at Augusta 18SE (Bowmans Corners).
June 2008	Thunderstorm Wind	Augusta	-	A severe thunderstorm produced a wind gust to 61 mph at Augusta 21W.
August 2008	Thunderstorm Wind	Augusta	-	A severe thunderstorm produced a wind gust to 65 mph at Augusta 4W.
July 2001	Thunderstorm Wind	Augusta	-	Actual spotter location Augusta 7 W.
September 2000	Wildfire	Augusta	-	Bunyan Point fire, 400 acres burned, lightning caused.
June 2020	Heavy Rain	Augusta	-	no account filed
May 2006	Thunderstorm Wind	Augusta	-	no account filed
June 2005	Hail	Augusta	-	no account filed
June 2005	Hail	Augusta	-	no account filed
June 2005	Hail	Augusta	-	no account filed
June 2003	Thunderstorm Wind	Augusta	-	no account filed
June 2003	Thunderstorm Wind	Augusta	-	no account filed
June 1997	Hail	Augusta	-	no account filed
June 1996	Hail	Augusta	-	no account filed
June 1996	Hail	Augusta	-	no account filed

Every storm recorded in Lewis and Clark 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

1 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
	Stearns Hall	7.4 miles	1995

Sources for this property

National Archives record	The nomination case file for reference 03001298 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Lewis and Clark County	All 82 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.