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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

Name of Fund: BlackRock Broad Investment Grade 2009 Term Trust, Inc. (BCT)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock Broad Investment Grade 2009 Term Trust, Inc., 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address: P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2008

Date of reporting period: 11/01/2007 – 01/31/2008

Item 1 – Schedule of Investments


BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT)
Schedule of Investments as of January 31, 2008 (Unaudited)
  Face            
  Amount   Asset-Backed Securities**     Value  
  $        233,792   Global Rated Eligible Asset Trust Series 1998-A Class 1, 7.45% due        
      9/15/2007 (d)(f)(h)   $ 23  
  567,535   Structured Mortgage Asset Residential Trust Series 2, 8.24% due        
      11/07/2007 (f)(h)     57  
      Total Asset-Backed Securities (Cost - $41,827) - 0.0%     80  
      U.S. Government Agency Mortgage-Backed Securities        
      Fannie Mae Guaranteed Pass-Through Certificates:        
  299,370        5.50% due 1/01/2017 - 2/01/2017     307,503  
  14,218        6.50% due 7/01/2029     14,877  
      Total U.S. Government Agency Mortgage-Backed Securities        
      (Cost - $310,294) - 0.9%     322,380  
      U.S. Government Agency Mortgage-Backed Securities** -        
      Collateralized Mortgage Obligations        
  2,609,610   Fannie Mae Trust Series 1992-174 Class S, 0.098% due 9/25/2022 (a)     7,207  
  631,161   Fannie Mae Trust Series 1993-49 Class H, 7% due 4/25/2013     662,604  
  2,038,130   Fannie Mae Trust Series 1993-49 Class L, 0.445% due 4/25/2013     13,945  
  79,654   Fannie Mae Trust Series 1993-192 Class SC, 6.967% due 10/25/2008 (a)     78,501  
  26,607   Fannie Mae Trust Series 1993-214 Class SH, 9.539% due 12/25/2008 (a)     27,096  
  36,970   Fannie Mae Trust Series 1993-214 Class SK, 10% due 12/25/2008 (a)     37,641  
  4,179   Fannie Mae Trust Series 1994-13 Class SJ, 8.75% due 2/25/2009 (a)     4,228  
  21,828   Fannie Mae Trust Series 1996-20 Class SL, 10.475% due 9/25/2008 (a)     527  
  3,148,362   Fannie Mae Trust Series 2003-70 Class ID, 5% due 4/25/2022     35,335  
  780,570   Fannie Mae Trust Series 2004-13 Class IG, 5% due 10/25/2022     15,789  
  260,020   Fannie Mae Trust Series G-21 Class L, 0.95% due 7/25/2021     5,706  
  761,020   Freddie Mac Multiclass Certificates Series 65 Class I, 0.50% due 8/15/2020     1,057  
  150,630   Freddie Mac Multiclass Certificates Series 141 Class H, 1.06% due 5/15/2021     214  
  2,005   Freddie Mac Multiclass Certificates Series 1506 Class S, 10.578% due 5/15/2008 (a)     2,003  
  1,621,970   Freddie Mac Multiclass Certificates Series 1510 Class G, 7.05% due 5/15/2013     1,629,555  
  72,579   Freddie Mac Multiclass Certificates Series 1515 Class S, 9.793% due 5/15/2008 (a)     72,408  
  736,899   Freddie Mac Multiclass Certificates Series 1598 Class J, 6.50% due 10/15/2008 (j)     735,884  
  102,636   Freddie Mac Multiclass Certificates Series 1618 Class SA, 8.25% due        
      11/15/2008 (a)     102,968  
  4,647   Freddie Mac Multiclass Certificates Series 1661 Class SB, 9.841% due        
      1/15/2009 (a)     4,750  
  7,032   Freddie Mac Multiclass Certificates Series 1688 Class S, 11.023% due        
      12/15/2013 (a)     7,031  
  97,644   Freddie Mac Multiclass Certificates Series 2412 Class SE, 7.40% due 2/15/2009 (a)     101,573  
  262,746   Freddie Mac Multiclass Certificates Series 2517 Class SE, 5.659% due        
      10/15/2009 (a)     274,141  
  1,303,995   Freddie Mac Multiclass Certificates Series 2523 Class EH, 5.50% due 4/15/2020     55,424  
  80,687   Freddie Mac Multiclass Certificates Series 2564 Class NC, 5% due 2/15/2033     77,265  
  34,484   Freddie Mac Multiclass Certificates Series 2633 Class PI, 4.50% due 3/15/2012     69  
  2,998,025   Freddie Mac Multiclass Certificates Series 2739 Class PI, 5% due 3/15/2022     62,999  
  374,804   Freddie Mac Multiclass Certificates Series 2929 Class PA, 5% due 8/15/2018     374,379  
  1,343,528   Freddie Mac Multiclass Certificates Series 2976 Class KI, 5.50% due 11/15/2034     172,293  
  1,584,758   Freddie Mac Multiclass Certificates Series 3189 Class KI, 6% due 1/15/2035     111,821  
  2,507,625   Freddie Mac Multiclass Certificates Series 3207 Class QI, 6% due 2/15/2035     133,481  
      Total U.S. Government Agency Mortgage-Backed Securities - Collateralized        
      Mortgage Obligations (Cost - $5,198,380) - 12.1%     4,807,894  
      Non-Government Agency Mortgage-Backed Securities** -        
      Collateralized Mortgage Obligations        
  127,387   Citicorp Mortgage Securities, Inc. Series 1993-14 Class A-4, 13.58% due        
      11/25/2023 (a)     127,701  
  1,823,164   JPMorgan Mortgage Trust Series 2006-A7 Class 2A2, 5.829% due 1/25/2037 (a)     1,850,620  
  100,511   Nomura Asset Acceptance Corp. Series 2004-AR4 Class 2A3, 3.711% due        
      12/25/2034 (a)     100,052  

1

BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT)
Schedule of Investments as of January 31, 2008 (Unaudited)
  Face   Non-Government Agency Mortgage-Backed Securities** -        
  Amount   Collateralized Mortgage Obligations     Value  
  $           587,524   Residential Accredit Loans, Inc. Series 2002-QS16 Class A3, 9.563% due        
      10/25/2017 (a)   $ 633,129  
  12,443   Salomon Brothers Mortgage Securities VI, Inc. Series 1987-3 Class A,        
      12.50% due 10/23/2017 (i)     11,903  
  491,764   Structured Adjustable Rate Mortgage Loan Trust Series 2004-11 Class A,        
      7.006% due 8/25/2034 (a)     493,922  
  11,482,424   Vendee Mortgage Trust Series 2002-1 Class 1IO, 0.043% due 10/15/2031 (a)     25,308  
  1,000,000   WaMu Mortgage Pass-Through Certificates Series 2003-AR10 Class A6,        
      4.056% due 10/25/2033 (a)     1,002,144  
  1,000,000   WaMu Mortgage Pass-Through Certificates Series 2005-AR4 Class A3,        
      4.585% due 4/25/2035 (a)     1,003,080  
  500,000   Wells Fargo Mortgage Backed Securities Trust Series 2004-N Class A6,        
      4% due 8/25/2034 (a)     504,675  
      Total Non-Government Agency Mortgage-Backed Securities -        
      Collateralized Mortgage Obligations (Cost - $5,519,020) - 14.5%     5,752,534  
Industry     Corporate Bonds        
Capital Markets - 2.6% 1,000,000   Morgan Stanley Group, Inc., 10% due 6/15/2008     1,019,740  
      Total Corporate Bonds (Cost - $1,007,549) - 2.6%     1,019,740  
State     Municipal Bonds        
California - 4.0% 500,000   Fresno, California, Taxable Pension Obligation Revenue Bonds, 7.80% due        
      6/01/2014 (b)(g)     566,785  
  500,000   Kern County, California, Taxable Pension Obligation Revenue Bonds, 6.98%        
      due 8/15/2009 (e)     526,505  
  500,000   Los Angeles County, California, Taxable Pension Obligation Revenue Bonds,        
      Series D, 6.97% due 6/30/2008 (e)     507,495  
Louisiana - 1.3% 500,000   Orleans Parish, Louisiana, School Board, Taxable Pension Obligation, Revenue        
      Refunding Bonds, Series A, 6.60% due 2/01/2008 (c)     500,000  
      Total Municipal Bonds (Cost - $2,000,000) - 5.3%     2,100,785  
      Short-Term Securities        
  25,600,000   Federal Home Loan Bank, 1.35% due 2/01/2008     25,600,000  
      Total Short-Term Securities (Cost - $25,600,000) - 64.7%     25,600,000  
      Total Investments (Cost - $39,677,070*) - 100.1%     39,603,413  
      Liabilities in Excess of Other Assets - (0.1%)     (29,824 )
      Net Assets - 100.0%   $ 39,573,589  

*

The cost and unrealized appreciation (depreciation) of investments as of January 31, 2008, as computed for federal income tax purposes, were as follows:

Aggregate cost   $ 39,677,070  
Gross unrealized appreciation   $ 497,325  
Gross unrealized depreciation     (570,982 )
Net unrealized depreciation   $ (73,657 )

**

 Asset-Backed and Mortgage-Backed Securities are subject to principal paydowns. As a result of prepayments or refinancings of the underlying instruments, the average life may be substantially less than the original maturity.
(a)

Floating rate security.
(b)

Escrowed to maturity.
(c)

FGIC Insured.
(d)

The security may be offered and sold to "qualified institutional buyers" under Rule 144A of the Securities Act of 1933.
(e)

MBIA Insured.
(f)

Non-income producing security; issuer filed for bankruptcy or is in default of interest payments.
 

2

BlackRock Broad Investment Grade 2009 Term Trust Inc. (BCT)
Schedule of Investments as of January 31, 2008 (Unaudited)
(g)    Subject to principal paydowns.
(h) Restricted securities as to resale, representing approximately 0.0% of net assets, were as follows:
 
  Acquisition            
  Issue Date     Cost     Value
  Global Rated Eligible Asset Trust Series 1998-A              
     Class 1, 7.45% due 9/15/2007 3/15/2006   $ 77   $          23
  Structured Mortgage Asset Residential Trust              
     Series 2, 8.24% due 11/07/2007 3/15/2006     41,750              57
  Total     $ 41,827   $          80

(i) Represents a zero coupon bond; the interest rate shown is the effective yield at the time of purchase.
(j) All or a portion of security held as collateral in connection with open financial futures contracts.
• Financial futures contracts sold as of January 31, 2008 were as follows:
  Number of     Expiration Face Unrealized
  Contracts   Issue Date Value Appreciation
  100   2-Year U.S. Treasury Bond March 2008 $      21,401,343 $          79,468

 

3

Item 2 – Controls and Procedures

2(a) –     The registrant’s principal executive and principal financial officers or persons performing similar functions have concluded that the registrant’s disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the “1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(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) 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

Certifications – Attached hereto

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.

BlackRock Broad Investment Grade 2009 Term Trust, Inc.

By:   
/s/ Donald C. Burke
  Donald C. Burke
  Chief Executive Officer of
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.

Date: March 24, 2008

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/ Donald C. Burke
  Donald C. Burke
  Chief Executive Officer (principal executive officer) of
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.

Date: March 24, 2008

By:   
/s/ Neal J. Andrews
  Neal J. Andrews
  Chief Financial Officer (principal financial officer) of
  BlackRock Broad Investment Grade 2009 Term Trust, Inc.

Date: March 24, 2008