UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number:__811-07250______

                              BlackRock Broad Investment Grade 2009 Term Trust, Inc.                              
(Exact name of registrant as specified in charter)

100 Bellevue Parkway, Wilmington, DE 
19809 
(Address of principal executive offices) 
 
(Zip code) 

Robert S. Kapito, President
BlackRock Broad Investment Grade 2009 Term Trust, Inc.
40 East 52nd Street, New York, NY 10022
(Name and address of agent for service)

Registrant's telephone number, including area code:_888-825-2257__________________

Date of fiscal year end:___October 31, 2007
Date of reporting period:__January 31, 2007

Item 1. Schedule of Investments.

The Registrant’s unaudited schedule of investments as of the close of the reporting period pursuant to Rule 30b1-5 under the Investment Company Act of 1940 is as follows:

CONSOLIDATED PORTFOLIO OF INVESTMENTS (unaudited)
JANUARY 31, 2007
BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT)
(Percentage of Net Assets)

    Principal          
    Amount          
Rating1
     
(000)
     
Description
   
Value
        LONG-TERM INVESTMENTS—34.5%      
        Mortgage Pass-Through Securities—0.9%      
        Federal National Mortgage Assoc.,      
    $        359      5.50%, 1/01/17-2/01/17  
$
 357,971
    15      6.50%, 7/01/29     15,272
        Total Mortgage Pass-Through Securities     373,243
        Agency Multiple Class Mortgage Pass-Through Securities—12.6%      
        Federal Home Loan Mortgage Corp.,      
    2,104      Ser. 1510, Class G, 7.05%, 5/15/13     2,114,714
    2,000      Ser. 1598, Class J, 6.50%, 10/15/08     1,998,692
    81      Ser. 2564, Class NC, 5.00%, 2/15/33     73,597
    872   Federal National Mortgage Assoc., Ser. 49, Class H, 7.00%, 4/25/13     891,027
    39 2 Government National Mortgage Assoc., REMIC Trust 2000, Ser. 16, Class FD, 5.97%, 12/16/27     39,312
        Total Agency Multiple Class Mortgage Pass-Through Securities     5,117,342
        Inverse Floating Rate Mortgage Securities—4.3%      
AAA
  148 2 Citicorp Mortgage Securities, Inc., Ser. 14, Class A-4, 4.19%, 11/25/23     150,945
        Federal Home Loan Mortgage Corp.,      
    70 2    Ser. 1425, Class SB, 7.949%, 12/15/07     69,621
    15 2    Ser. 1506, Class S, 9.671%, 5/15/08     15,363
    81 2    Ser. 1515, Class S, 8.709%, 5/15/08     81,727
    63 2    Ser. 1600, Class SC, 8.60%, 10/15/08     63,769
    181 2    Ser. 1618, Class SA, 8.25%, 11/15/08     185,291
    18 2    Ser. 1661, Class SB, 8.788%, 1/15/09     18,507
    66 2    Ser. 1688, Class S, 9.223%, 12/15/13     67,625
    133 2    Ser. 2412, Class SE, 5.016%, 2/15/09     132,126
    325 2    Ser. 2517, Class SE, 2.95%, 10/15/09     312,891
        Federal National Mortgage Assoc.,      
    21 2    Ser. 13, Class SJ, 8.75%, 2/25/09     21,178
    173 2    Ser. 179, Class SB, 7.437%, 10/25/07     174,167
    36 2    Ser. 187, Class SB, 11.749%, 10/25/07     36,658
    16 2    Ser. 191, Class SD, 6.793%, 10/25/08     15,948
    205 2    Ser. 192, Class SC, 6.832%, 10/25/08     208,278
    74 2    Ser. 214, Class SH, 4.359%, 12/25/08     73,329
    103 2    Ser. 214, Class SK, 10.00%, 12/25/08     106,142
        Total Inverse Floating Rate Mortgage Securities     1,733,565
        Interest Only Mortgage-Backed Securities—2.8%      
        Federal Home Loan Mortgage Corp.,      
    1      Ser. 65, Class I, 918.03%, 8/15/20     1,183
    —      Ser. 141, Class H, 1,060.00%, 5/15/21     247
    48      Ser. 1645, Class IB, 5.50%, 9/15/08     210
    1,956      Ser. 2523, Class EH, 5.50%, 4/15/20     150,692
    493      Ser. 2633, Class PI, 4.50%, 3/15/12     10,228
    5,605      Ser. 2739, Class PI, 5.00%, 3/15/22     255,716
    921      Ser. 2775, Class UB, 5.00%, 12/15/17     13,753
    2,068      Ser. 2976, Class KI, 5.50%, 11/15/34     257,352
        Federal National Mortgage Assoc.,      
    1      Ser. 8, Class HA, 1,199.99%, 1/25/08     2,888
    1,411      Ser. 13, Class IG, 5.00%, 10/25/22     61,421
    83 2    Ser. 20, Class SL, 10.076%, 9/25/08     5,312
    3      Ser. 49, Class L, 444.917%, 4/25/13     25,766
    —      Ser. 51, Class K, 1,006.50%, 4/25/07     363
    8,861      Ser. 70, Class ID, 5.00%, 4/25/22     288,398
    3 2    Ser. 174, Class S, 96.976%, 9/25/22     11,588
    —      Ser. G-21, Class L, 949.50%, 7/25/21     7,998

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BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT) (continued)
(Percentage of Net Assets)

    Principal          
    Amount          
Rating1
     
(000)
          
Description
   
Value
        Interest Only Mortgage-Backed Securities—(cont'd)      
NR   $      14,099 2 Vendee Mortgage Trust, Ser. 1, 0.043%, 10/15/31  
$
 31,467
        Total Interest Only Mortgage-Backed Securities     1,124,582
        Principal Only Mortgage-Backed Security—0.0%      
Aaa   19 3 Salomon Brothers Mortgage Securities, Inc. VI, Ser. 3, Class A, 12.50%, 10/23/17     17,454
        Asset-Backed Securities—0.0%      
NR  
235
 2,4,5,6 Global Rated Eligible Asset Trust, Ser. A, Class 1, 7.33%, 9/15/07     23
        Structured Mortgage Asset Residential Trust,      
NR   568 2,5,6    Ser. 2, 8.24%, 12/15/07     57
NR   629 2,5,6    Ser. 3, 8.724%, 4/15/07     63
        Total Asset-Backed Securities     143
        Corporate Bonds—2.8%      
Caa2   100   American Airlines, Inc., 10.44%, 3/04/07     100,125
AA-   1,000   Morgan Stanley Group, Inc., 10.00%, 6/15/08     1,058,486
        Total Corporate Bonds     1,158,611
        U.S. Government and Agency Securities—6.0%      
        U.S. Treasury Notes,      
    2,000      6.00%, 8/15/09     2,052,110
    385      6.625%, 5/15/07     386,579
        Total U.S. Government and Agency Securities     2,438,689
        Taxable Municipal Bonds—5.1%      
AAA   500   Fresno California Pension Oblig., 7.80%, 6/01/14     544,920
AAA   500   Kern County California Pension Oblig., 6.98%, 8/15/09     519,500
AAA   500   Los Angeles County California Pension Oblig., Ser. D, 6.97%, 6/30/08     510,635
AAA   500   Orleans Parish Louisiana School Board, Ser. A, 6.60%, 2/01/08     505,600
        Total Taxable Municipal Bonds     2,080,655
        Total Long-Term Investments (cost $14,297,580)     14,044,284
        SHORT-TERM INVESTMENT—65.0%      
        U.S. Government and Agency Discount Note—65.0%      
    26,400 7 Federal Home Loan Bank Discount Notes, 5.001%, 2/01/07 (cost $26,400,000)     26,400,000
        Total investments—99.5% (cost $40,697,5808)  
$
 40,444,284
        Other assets in excess of liabilities—0.5%     193,169
        Net Assets—100%  
$
 40,637,453

  _______________________
1     

Using the highest of Standard & Poor's, Moody's Investor Service or Fitch's Ratings.
2

Variable rate security. Rate shown is interest rate as of January 31, 2007.
3

Rate shown is effective yield as of January 31, 2007 of the underlying collateral.
4

Security is not registered under the Securities Act of 1933. These securities may be resold in transactions in accordance with Rule 144A under that Act, to qualified institutional buyers. As of January 31, 2007, the Trust held less than 0.1% of its net assets, with a current market value of $23, in securities restricted as to resale.
5

Security is fair valued.
6

Illiquid security. As of January 31, 2007, the Trust held less than 0.1% of its net assets, with a current market value of $143, in these securities.
7

Rate shown is the yield to maturity as of the date of purchase.
8

Cost for federal income tax purposes is $40,697,580. The net unrealized depreciation on a tax basis is $253,296, consisting of $448,739 gross unrealized appreciation and $702,035 gross unrealized depreciation.
 
  KEY TO ABBREVIATIONS
REMIC — Real Estate Mortgage Investment Conduit

 

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Item 2. Controls and Procedures.

(a) The Registrant's principal executive and principal financial officers have evaluated the Registrant's disclosure controls and procedures within 90 days of this filing and have concluded, as of that date, that the Registrant’s disclosure controls and procedures were reasonably designed to ensure that information required to be disclosed by the Registrant in this Form N-Q was recorded, processed, summarized, and reported within the required time periods and that information to be disclosed by the Registrant in this Form N-Q was accumulated and communicated to the Registrant’s management, including its principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure.

(b) There were no changes in the Registrant's internal control over financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17 CFR 270.30a -3(d)) that occurred during the Registrant's last fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Registrant's internal control over financial reporting.

Item 3. Exhibits.

Separate certifications of the Registrant’s Principal Executive and Financial Officers pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 are attached as EX-99.CERT.

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SIGNATURES

          Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

(Registrant)  BlackRock Broad Investment Grade 2009 Term Trust, Inc.

By: /s/ Donald C. Burke                                       
Name: Donald C. Burke
Title: Treasurer and Principal Financial Officer
Date: March 28, 2007

          Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

By: /s/ Robert S. Kapito                                       
Name: Robert S. Kapito
Title: President and Principal Executive Officer
Date: March 28, 2007

By: /s/ Donald C. Burke                                       
Name: Donald C. Burke
Title: Treasurer and Principal Financial Officer
Date: March 28, 2007

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