THE ROUTE 6/ROUTE 10 interchange in Providence could cost up to $500 million to fix, twice as much as the cost of the new Sakonnet bridge, making it the most expensive unfunded highway construction project on the state's agenda. / COURTESY R.I. DEPARTMENT OF TRANSPORTATION
The Pawtucket River Bridge is illuminated, the Sakonnet River Bridge is tolled, and the Providence Viaduct is under construction. But there’s another Rhode Island bridge, or set of bridges, that needs work and could cost taxpayers more than any of them to fix: the Route 6/Route 10 interchange in Providence. At an estimated cost of…