This is one of a unique group of six historic truss bridges found along this road. This is the only through truss among this group. This section of road was a former railroad line, abandoned ca. 1899 and later converted to a highway.
Construction date is an estimate. The bridge is clearly an early 20th century bridge as it displays a transition from pinned to riveted connections, with some connections such as at the hip vertical being a combination of riveted gusset plate and pin.
Information and Findings From DHPA Historic Bridge Survey
Bridge History and Significance
Seated upon cut stone abutments and wingwalls with concrete caps, this pin-connected Pratt through span extends 106'6" in six panels. A pair of laced channels provides each set of intermediate verticals, a pair of die-forged eyebars serves as the diagonal sets, and single, cylindrical rods with turnbuckles counter the diagonals in the two most central panels. The I floor-beams are bolted to pin plates. The bridge carries a concrete deck with a 15'9" roadway and 14' of vertical clearance. These pinned Pratt through trusses are conventionally designed. The original truss members still function, including the latticed portals.
References American Consulting Engineers, Inc., Bridge Inspection/Reinspection Report: Martin County (Indianapolis, 1974, 1979).
Bridge Considered Historic By Survey: Yes
Coordinates (Latitude, Longitude):
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