Photograph of Old M-94-Au Train River Bridge — Photograph by Andrew Jameson, CC BY-SA 3.0. Via Wikimedia Commons.

M-94 (old)-Au Train River Bridge

Listed on the National Register of Historic Places in 1999.

From the record

“The Old M-94-Au Train River Bridge is a bridge located on Wolkoff Road over the Au Train River in Au Train Township, Michigan. It was listed on the National Register of Historic Places in 1999, and is significant because it is one of only two remaining bridges built to an early 20th-century Michigan State Highway Department design standard.”
Wikipedia article Old M-94-Au Train River Bridge, CC BY-SA 4.0.

One of 14 National Register listings published here for Alger County · listed in 1999 · 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.
Listed as. M-94 (old)--Au Train River Bridge - the National Register files a house under its owner's surname.
Address. Wolkoff Rd. over Au Train River, Au Train Township, 49806
When was it listed? November 1999
Category. structure
Also known as. Highway Bridges of Michigan MPS
Township. Au Train township
National Register reference number. 99001462 - 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

3 since 1998

Regional context, not property-specific evidence. The federal wildfire occurrence database lists 3 fires within 5 miles of M-94 (old)-Au Train River Bridge between 1998 and 2011, burning about 1 acre in total. 2 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
Natural	2
Arson/incendiarism	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
13 July 2011	Natural	under an acre	Hiawatha National Forest	BALLFIELD
19 May 1998	Natural	under an acre	Hiawatha National Forest	MS
29 March 2007	Arson/incendiarism	under an acre	Hiawatha National Forest	NARROWS FIELD #1

Every fire recorded in Alger 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 M-94 (old)-Au Train River Bridge: 1 past producer. 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
	Alger Co Pits	Sand and Gravel, Construction	Past Producer

Every working recorded in Alger 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

3 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.

Property	Distance	Listed
Paulson House	1.9 miles	1972
Bay Furnace	6.2 miles	1971
Grand Island Harbor Rear Range Light	6.9 miles	1990

Sources for this property

National Archives record	The nomination case file for reference 99001462 in Record Group 79.
Wikipedia article	Community-written account of this property, licensed CC BY-SA.
Alger County	All 14 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.