The National Bridge Inventory lists a 1929 construction date for this bridge. Given the style of the bridge which includes fishtail style built-up floorbeams, and that the bridge is similar in appearance to the nearby Ely Street Bridge, it seems likely that this bridge was built in the 1890s as well. The 1929 date likely refers to a rehabilitation or relocation of this bridge.
The Big Creek Road Bridge contains a through truss main span that includes six panels. There is also a single wooden stringer approach span. The truss span is traditionally composed. The composition of the truss is as follows: Top chord and end post: back-to-back channels with cover plate and v-lacing. Hip verticals: loop-forged eyebars. Other verticals: back-to-back channels with lattice on each side. Bottom chord: loop-forged eyebars. Portal bracing: paired angles riveted to lattice webbing. Sway bracing: two paired angles riveted together with v-lacing. Lateral bracing: rod. Floor beams: built-up "fishtail" style beams. Railing: Modern Armco guardrails. Deck: wooden deck with asphalt wearing surface. Substructure: Metal caissons (lally columns).
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