The bridges carrying North Blandford Road and Gore Road over Tiffany Brook required full superstructure replacement due to critical steel beam section loss.
Work for each bridge included full superstructure and partial abutment removal to accommodate the placement of a new single-span steel multi-beam frame supporting galvanized steel deck planks, a reinforced concrete deck, and crash-tested thrie-beam panel bridge railings. The roadway design required full-depth reconstruction along both approaches. Construction scheduling was critical. Closing both bridges at the same time would require a 14-mile detour, severely impacting local traffic and accessibility for essential services. To avoid this, the bridges were constructed sequentially, leaving one bridge open as a detour for the other while it was under construction.