Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (No. 333-05987; No. 333-59941; No. 333-62887, No.
333-69306 and No. 333-123232) of Michael Baker Corporation of our report dated
March 15, 2005 relating to the financial statements, management's assessment of
the effectiveness of internal control over financial reporting and the
effectiveness of internal control over financial reporting, which appears in the
Annual Report to Shareholders, which is incorporated in this Annual Report on
Form 10-K. We also consent to the incorporation by reference of our report dated
March 15, 2005 relating to the financial statement schedule, which appears in
this Form 10-K.


/s/ PricewaterhouseCoopers LLP
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Pittsburgh, Pennsylvania
March 15, 2005


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