Specifications include, but are not limited to: Tippecanoe County Replacement of Bridges 83 and 80 (Des # 2101726 and 2101724) in the Crawfordsville District. Bridge 83 is on CR 510S over Flint Creek 0.35 miles East of CR 900W and Bridge 80 is on CR 700W over Flint Creek 0.34 miles South of CR 500S. Bridge 83 will be replaced with a new, three span Concrete I Beam structure. To correct the existing substandard alignment, the bridge will be built on a new 760' horizontal curve. The new deck will provide for a 32-foot clear roadway and include a new PF-1 rail system. The approaches will be built with two twelve-foot travel lanes and 4-foot-wide safety shoulders, W-Beam approach guardrail, and OS safety end treatments. Bridge 80 will be replaced with a new, single span Concrete Bulb-T Beam structure. The new deck will provide for a 28-foot clear roadway and include a new TS-1 rail system. The approaches will be built with two twelve-foot travel lanes and 2-foot-wide paved shoulders, W-Beam approach guardrail, and OS safety end treatments.