Clinton County Bridge Replacement (CLI-68-7.68); Clinton County, Ohio  
 
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This bridge replacement project is located on US 68 approximately 1.14 miles south of the US 68 and SR 350 intersection.  It consisted of the replacement of a single-span, 29’-span steel beam bridge with a timber floor over a tributary to East Fork of Todd’s Fork.  A new 20’ x 10’ precast concrete box culvert was constructed to replace the existing bridge. Traffic was maintained during construction using temporary traffic signals and a single traffic lane.  Hydraulic analysis was performed using the ODOT PEAKFLOW and USACE HEC-RAS computer modeling and checked using Haested Methods Culvertmaster.  The structure was constructed using part-width construction, with traffic maintained using one lane in both directions. The approximate project length was 250’.