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Photograph of Bertram Bridge
Photograph by Kevin Schuchmann, CC BY-SA 3.0. Via Wikimedia Commons.

Bertram Bridge

Listed on the National Register of Historic Places in 2014.

From the record

“The Bertram Bridge, also known as the Ely Street Bridge, was a historic structure located near the town of Bertram in rural Linn County, Iowa, United States. The metal 5-panel pinned Pratt through truss bridge was built in 1891.”

Wikipedia article Bertram Bridge, CC BY-SA 4.0.

One of 121 National Register listings published here for Linn County · listed in 2014 · 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. Ely St. over Big Cr., Bertram, 52403
  • When was it listed? December 2014
  • Category. structure
  • Also known as. Highway Bridges of Iowa MPS
  • Township. Bertram township
  • National Register reference number. 98000531 - 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.

Mines and quarries near this property

10 within 5 miles

Regional context, not property-specific evidence. The federal mineral resources record lists 10 workings within 5 miles of Bertram Bridge: 9 past producers, 1 producer. 1 still produces. What was taken out: Stone, Crushed/Broken, Zinc, Iron, 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 SiteCommodity StatusRecorded
Martin Marietta QuarryZinc, IronPast ProducerPyrite, Sphalerite
UnknownSand and Gravel, ConstructionPast Producer
Cedar Rapids QuarryStone, Crushed/BrokenProducer
Decious QuarryStone, Crushed/BrokenPast Producer
Hartl QuarryStone, Crushed/BrokenPast Producer
River Road QuarryStone, Crushed/BrokenPast Producer
Thompson QuarryStone, Crushed/BrokenPast Producer
UnknownStone, Crushed/BrokenPast Producer
UnknownStone, Crushed/BrokenPast Producer
UnknownStone, Crushed/BrokenPast Producer

Every working recorded in Linn County

Storms near this property

10 since 2006

Regional context, not property-specific evidence. The National Weather Service names Bertram, the town this property stands in, in 10 storm reports between 2006 and 2025: 4 hail, 4 heavy rain, 2 thunderstorm wind. 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
August 2025Thunderstorm WindBertram-Personal weather station.
April 2017HailBertram-Local broadcast media relayed a public report of golf ball sized hail.
June 2013Thunderstorm WindBertram-Trees were reported down near the intersection of Highways 30 and 13.
May 2012Heavy RainBertram-Rain fell between 730 and 11 PM CDT.
August 2011Heavy RainBertram-Storm total in the past hour and a half.
August 2011Heavy RainBertram-Heavy rain fell since 2 pm.
August 2011Heavy RainBertram-Total rainfall storms on the night of the 22nd and morning of the 23rd.
June 2008HailBertram-Nickel-sized hail fell in Bertram, IA at 9:37 pm June 12.
June 2006HailBertram-Jct of Hwy 13 & Mt Vernon Rd
July 2010HailBertram-no account filed

Every storm recorded in Linn 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

6 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 PropertyDistance Listed
Indian Creek Bridge2.9 miles1998
Beach School3.4 miles1982
Sumner School4.0 miles2013
Monroe Elementary School Historic District4.9 miles2015
Dr. Percy and Lileah Harris House5.0 miles2021
Klinsky Farmstead Historic District5.0 miles2025

Sources for this property

National Archives recordThe nomination case file for reference 98000531 in Record Group 79.
Wikipedia articleCommunity-written account of this property, licensed CC BY-SA.
Linn CountyAll 121 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.
  • 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.