Washington, DC 20549

                                    FORM 8-K

                             CURRENT REPORT Pursuant
                          to Section 13 or 15(d) of the
                         Securities Exchange Act of 1934

Date of report (Date of earliest event reported)                November 3, 2004
                            MICHAEL BAKER CORPORATION

             (Exact Name of Registrant as Specified in Its Charter)

                 (State or Other Jurisdiction of Incorporation)

        1-6627                                            25-0927646
(Commission File Number)                       (IRS Employer Identification No.)

            100 Airside Drive
       Moon Township, Pennsylvania                                     15108
(Address of Principal Executive Offices)                            (Zip Code)

                                 (412) 269-6300
              (Registrant's Telephone Number, Including Area Code)

          (Former Name or Former Address, if Changed Since Last Report)

      Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

      |_| Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)

      |_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17
CFR 240.14a-12)

      |_| Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))

      |_| Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c)) 

                       Section 2 - Financial Information

Item 2.02. Results of Operations and Financial Condition.

The following information is being furnished pursuant to Item 2.02 of Form 8-K,
"Results of Operations and Financial Condition." This information shall not be
deemed "filed" for purposes of Section 18 of the Securities Exchange Act of
1934, as amended (the "Exchange Act"), or incorporated by reference in any
filing under the Securities Act of 1933, as amended, or the Exchange Act, except
as shall be expressly set forth by specific reference in such a filing.

On November 3, 2004, Michael Baker Corporation (the "Company") issued a press
release reporting the Company's financial results for the three and nine-month
periods ended September 30, 2004. A copy of the press release is attached to
this report as Exhibit 99.1 and incorporated herein by reference.

                  Section 9 - Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits.

(c)   Exhibits

The following exhibit is filed with this report on Form 8-K:

Exhibit No.        Description
-----------        -----------
99.1               Press release issued November 3, 2004


Pursuant to the requirements of the Securities Exchange Act of 1934, as amended,
the Company has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                          MICHAEL BAKER CORPORATION

                                          By: /s/  William P. Mooney
                                              Executive Vice President and Chief
                                              Financial Officer

Date: November 3, 2004

                                 EXHIBIT INDEX

Number          Description                                     Method of Filing
------          -----------                                     ----------------
99.1            Press release dated November 3, 2004            Filed herewith