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Cambria Road Bridge



Photo taken by Dietrich Floeter, May 1989, for HAER

View photos at Library of Congress

BH Photo #120990


Lost Pratt pony truss bridge over West Branch St.Joseph of Maumee on Cambria Road in Camden
Camden, Hillsdale County, Michigan
Replaced by new bridge
Built 1899; Replaced 1991
- New Columbus Bridge Co. of Columbus, Ohio
Single span, steel Pratt pony truss with riveted connections.

"The Cambria Road Bridge is the only known surviving example of a bridge built by an Ohio company of this era in Michigan.

"This documentation was undertaken in July 1989 in accordance with the Memorandum of Agreement agreed to by the Gratiot [sic] County Road Commission as a mitigative measure prior to replacement of the bridge."

Stanley L. Clingerman, Engineer
Hillsdale County Road Commission
Hillsdale, Michigan

[Editor Notes: The slip in the name of the county is likely a result of the using cut and paste from another document.]

Span length: 40.8 ft.
Total length: 40.8 ft.
Deck width: 15.6 ft.
Approximate latitude, longitude
+41.75021, -84.66972   (decimal degrees)
41°45'01" N, 84°40'11" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/693747/4624667 (zone/easting/northing)
Quadrangle map:
Nettle Lake
Inventory number
BH 37162 (Bridgehunter.com ID)

Update Log 

  • August 16, 2021: Updated by Mike Kerkau: Fixed GPS
  • August 13, 2008: Added by J.R. Manning


  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • HAER MI-43 - Cambria Road Bridge, Spanning West branch of St. Joseph River on Cambria Road, Camden, Hillsdale County, MI
  • Mike Kerkau - mjkerkau [at] gmail [dot] com