Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 33-69306; No. 33-62887; No. 333-05987; and No. 333-59941) of Michael Baker Corporation of our report dated October 1, 1999, which appears within Item 7(a) of Michael Baker Corporation's Form 8-K/A dated November 15, 1999. /s/ PricewaterhouseCoopers, LLP - ------------------------------- PricewaterhouseCoopers, LLP Pittsburgh, Pennsylvania November 15, 1999