With the majority of the work complete on the nearly $30 million project to widen Highway 49 south of Grass Valley at the intersection of La Barr Meadows Road, the California agency overseeing its construction has blind-sided local officials with a request for an added $840,000 to cover over-budgeted expenses. If the Nevada County Transportation Commission approves the use of the supplemental funding, it would be at the expense of future transportation projects in the county, according to the California Department of Transportation. But if the commission does not want those funds allocated, the scope of the highway-widening project will …