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Eau Claire River Bridge (Grand Avenue)


General View Of Deck, Looking North

"The Eau Claire River Bridge is Wisconsin's only known example of a pony truss in a Parker configuration. It is characteristic of State Highway Commission truss design, i.e., heavy, rolled-section members with riveted connections, from the period of 1926 to 1931." Historic American Engineering Record

Photo taken by Martin Stupich, June 26, 1987 for HAER

View photos at Library of Congress

BH Photo #120248


Street View 


Lost Parker pony truss bridge over Eau Claire River on US B51-Grand Avenue in Schofield
Schofield, Marathon County, Wisconsin
Replaced by new bridge
Built 1931; Replaced 1997
The Eau Claire River Bridge is a Parker Pony truss, with neoclassical deco detailing. The truss is constructed of metal with reinforced concrete abutments and peir, and concrete deck. the two-span Pratt truss with polygonal top chord, has an overall length of 184 feet 7 inches, individual span length of 91 feeeet, overall width of 49 feet 6 inches, and a roadway width of 40 feet. It has eight panels, with riveted connections, and post and upper chord, 15 inch double upright channels with a 21 inch cover plate, tied with batten plates and V-lacing. The lower chord is back-to-back angles, tied with baten plates. The diagonals are rolled section I-beams, 8x12 inches. Redecking had removed the original streetcar tracks.
--B-37-537 Truss Bridge Intensive Survey (1986)Wisconsin DOT
Length of largest span: 91.0 ft.
Total length: 184.7 ft.
Deck width: 49.6 ft.
Also called
Schofield Bridge
Approximate latitude, longitude
+44.91583, -89.61111   (decimal degrees)
44°54'57" N, 89°36'40" W   (degrees°minutes'seconds")
Approximate UTM coordinates
16/293903/4976917 (zone/easting/northing)
Quadrangle map:
Wausau East
Inventory number
BH 37100 (Bridgehunter.com ID)

Update Log 

  • August 4, 2010: New Street View added by Jason Smith
  • August 6, 2008: Added by J.R. Manning


  • J.R. Manning - thekitchenguy [at] sbcglobal [dot] net
  • HAER WI-46 - Eau Claire River Bridge, Spanning Eau Claire River, on U.S. Highway 51B, Schofield, Marathon County, WI
  • Jason Smith - flensburg [dot] bridgehunter [dot] av [at] googlemail [dot] com