3x) Adoption of Resolution Approving the Fourth Amendment to BOS Agreement No. 17-045 (Department of Transportation Agreement Number 170008) for Professional Engineering Services with Dewberry Engineers, Inc. in the Amount of $99,917, for a New Contract Amount of $1,031,000, and Authorizing an Additional Contingency Amount of $103,000, for the Usal Creek Bridge Replacement Project on Usal Road over Usal Creek, County Road 431, Milepost 5.94 (Whitethorn Area)