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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              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) September 14, 2006

                            MICHAEL BAKER CORPORATION
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             (Exact Name of Registrant as Specified in Its Charter)

                                  Pennsylvania
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                 (State or Other Jurisdiction of Incorporation)

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

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

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


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          (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))

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                        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 September 14, 2006, Michael Baker Corporation (the "Company") issued a press
release affirming the Company's preliminary financial results for the second
quarter ended June 30, 2006. A copy of the press release is attached to this
report as Exhibit 99.1 and incorporated into this Item 2.02 by reference.

                  SECTION 9 - FINANCIAL STATEMENTS AND EXHIBITS

ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS.

(d)   Exhibits.

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

Exhibit No.  Description
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99.1         Press release dated September 14, 2006.



                                    SIGNATURE

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:  September 18, 2006



                                  EXHIBIT INDEX

Number  Description                               Method of Filing
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99.1    Press release dated September 14, 2006.   Filed herewith.