EXHIBIT 24.1

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints Benjamin
P. Butterfield and Charles Nostra, his true and lawful attorneys-in-fact to:

(1) execute for and on behalf of the undersigned, in the undersigned's capacity as
an officer of The PBSJ Corporation, a Florida corporation (the "Company"), Forms 3, 4 and
5 in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), and the rules and regulations promulgated thereunder;

(2) do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form 3, 4 or 5, complete
and execute any amendment or amendments thereto, and timely file such form with the
United States Securities and Exchange Commission and any stock exchange or similar
authority; and

(3) take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorneys-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood that the documents
executed by either such attorney-in-fact on behalf of the undersigned pursuant to this Power
of Attorney shall be in such form and shall contain such terms and conditions as such
attorney-in-fact may approve in such attorney-in-fact's discretion.
Additionally, the undersigned hereby grants to such attorneys-in-fact full power and authority to do
and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that either such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue of this power of attorney
and the rights and powers herein granted. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of
the Exchange Act.

      This Power of Attorney shall remain in full force and effect until the undersigned is no
longer required to file Forms 3, 4 and 5 with respect to the undersigned's holdings of and
transactions in securities issued by the Company, unless earlier revoked by the undersigned in the
form of an executed document delivered to the foregoing attorneys-in-fact.

      IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 3rd day of April, 2009.

                                          Signature,
                                          /s/ Donald J. Vrana
                                          Donald J. Vrana
                                          Chief Financial Officer, Senior Vice President
                                          and Treasurer

VRANA DONALD J 4