SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

~~November 18~~June 30, ~~2005~~2006

(Date of earliest event reported)

WASHINGTON GROUP INTERNATIONAL, INC.

(Exact name of Registrant as specified in its charter)

Delaware		1-12054		33-0565601
(State or other jurisdiction of incorporation)		(Commission File Number)		(IRS Employer Identification No.)

720 PARK BOULEVARD, BOISE, IDAHO 83712

(Address of principal executive offices, including zip code)

208 / 386-5000

(Registrant’s telephone number, including area code)

Not Applicable

(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:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

~~o Soliciting~~Item ~~material~~1.01 ~~pursuant~~Entry tointo ~~Rule 14a-12~~a ~~under~~Material ~~the~~Definitive ~~Exchange Act (17 CFR 240.14a-12)~~Agreement

~~o Pre-commencement~~On ~~communications pursuant~~June to30, ~~Rule~~2006, ~~14d-2~~Washington Group International, Inc. (bthe “Company”), ~~under~~entered into a stock purchase agreement to acquire the ~~Exchange~~stock ~~Act~~of ~~(17~~Bauxite ~~CFR~~Mining ~~240~~& Transport Limited, a Jamaican company, for approximately $6.~~14d-2(b))~~6 million in cash. Under the terms of the stock purchase agreement, the Company repaid outstanding equipment financing of about $1.6 million immediately upon closing. The assets acquired consist primarily of mining equipment. The acquisition will position the Company to perform bauxite mining in Jamaica.

~~o Pre-commencement~~For ~~communications~~additional information regarding the work the Company will be ~~pursuant~~performing toin ~~Rule~~Jamaica, ~~13e-4(c)~~see ~~under~~the press release issued by the ~~Exchange~~Company ~~Act~~on ~~(17~~July ~~CFR~~6, 2006, ~~240~~a copy of which is furnished under item 9.~~13e~~01 of this current report on Form 8-~~4(c))~~K.

Item 8.01. Other Events.

On November 18, 2005, the Board of Directors of Washington Group International, Inc. (the “Company”) redeemed all of the outstanding preferred stock purchase rights issued pursuant to the Rights Agreement, dated as of June 21, 2002 (the “Rights Agreement”), between the Company and Wells Fargo Bank Minnesota, National Association, as Rights Agent. The record date for the payment of the Redemption Price (as defined in the Rights Agreement) will be December 2, 2005, and the payment date for payment of the Redemption Price will be December 30, 2005.

Item 9.01. Financial Statements and Exhibits.

(ad) ~~Financial Statements~~ ~~of Businesses Acquired: N/A~~Exhibits.

(b) Pro Forma Financial Information: N/A

Exhibit No.		Description

99.1		Press Release issued by Washington Group International, Inc., on July 6, 2006.

Exhibit
Number		Exhibit
99.1		Press release, dated November 18, 2005

SIGNATURES

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

	WASHINGTON GROUP INTERNATIONAL, INC.
	By:	/s/ Craig G. Taylor
	Name:		Craig G. Taylor
	Title:		Corporate Secretary
Dated: November 18, 2005
Dated: July 7, 2006

EXHIBIT INDEX

Exhibit Number		Description
99.1		Washington Group International, Inc. news release, dated ~~November~~July 186, ~~2005~~2006.

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