This is a rare example of a bedstead truss and also a rare example of a bridge by Brackett Bridge Company. The legs have been encased in replacement concrete abutments.
Information and Findings From DHPA Historic Bridge Survey
Bridge History and Significance
The Brackett Bridge Company of Cincinnati, Ohio, fabricated this pin-connected truss leg or Pratt bedstead pony which spans 45' in three panels. The truss legs run behind concrete abutments and wingwalls. The vertical endposts are fabricated of a pair of laced channels, the top chords of a pair of channels riveted together with a cover plate and battens, the interior verticals of a pair of laced channels, the outer diagonals of a pair of die-forged eyebars, the center panel's diagonal and counter of cylindrical rods with turnbuckles, and the lower chord of a pair of channels and battens. A pair of adjustable, cylindrical rods run from endpost to endpost between and parallel to the chords as horizontal struts. U-bolted to the pins, I floor-beams carry the timber deck with its roadway. The prolific Ohio firm departed from convention when it laced the endposts, made the lower chord uniformly rigid, and added horizontal struts to reduce the danger of buckling. The bridge retains its original structural integrity. References Bridge nameplate. American Consulting Engineers, Inc., Bridge Inspection/Reinspection Report: Martin County (Indianapolis, 1974, 1979).
Bridge Considered Historic By Survey: Yes
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