UNITED STATES
                       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


 Date of Report (Date of earliest event          January 31, 2007
 reported)                                       -------------------------------


                              L. B. Foster Company
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             (Exact name of registrant as specified in its charter)


         Pennsylvania                 000-10436                   25-1324733
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 (State or other jurisdiction        (Commission              (I.R.S. Employer
      of incorporation)              File Number)            Identification No.)


 415 Holiday Drive, Pittsburgh, Pennsylvania                        15220
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 (Address of principal executive offices)                         (Zip Code)


 Registrant's telephone number, including area code     (412) 928-3417
                                                        ------------------------


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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))


Item 2.02         Results of Operations and Financial Condition

     On January 31, 2007,  L.B.  Foster Company (the  "Company")  issued a press
release  announcing  the Company's  results of operations for the fourth quarter
ended  December 31, 2006.  A copy of that press  release is furnished  with this
report as Exhibit 99.1.

The  information  contained  in this  Current  Report  shall not be deemed to be
"filed" for the  purposes of Section 18 of the  Securities  and  Exchange Act of
1934 (the "Exchange Act"), as amended,  or otherwise  subject to the liabilities
of that section,  nor shall such information be deemed incorporated by reference
in any filing under the Securities and Exchange Act of 1933, as amended,  except
as shall be expressly set forth by specific reference in such filing.


Item 9.01         Financial Statements and Exhibits

(c)      Exhibits

99.1              Press Release issued by L.B. Foster Company, January 31, 2007.


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. L.B. Foster Company ------------------- (Registrant) Date: January 31, 2007 ---------------- /s/ David J. Russo ------------------ David J. Russo Senior Vice President, Chief Financial Officer and Treasurer

EXHIBIT INDEX Exhibit Number Description 99.1 Press Release dated January 31, 2007, of L. B. Foster Company.

                                 PRESS RELEASE
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L. B. Foster Company

415 Holiday Drive, Pittsburgh, PA 15220

Contact:    Stan L. Hasselbusch

Phone:   (412) 928-3417

FAX:     (412) 928-7891

Email: investors@LBFosterCo.com

FOR IMMEDIATE RELEASE


                              L. B. FOSTER REPORTS

                           OUTSTANDING FOURTH QUARTER


PITTSBURGH, PA, January 31, 2007 - L.B. Foster Company (NASDAQ: FSTR), a leading
manufacturer,  fabricator,  and  distributor  of products and services for rail,
construction, energy and utility markets, today reported that its fourth quarter
earnings per diluted share from  continuing  operations  increased to $0.27 from
$0.04 in last year's fourth quarter, more than a six-fold increase.  This is the
eighth  consecutive  quarter the Company has recorded an earnings  increase over
the prior year  quarter,  which  concludes  a very  solid year as the  Company's
annual income from continuing operations increased 121% over 2005.

2006 Fourth Quarter Results

In the  fourth  quarter  of  2006,  L. B.  Foster  had  income  from  continuing
operations  of $3.0 million or $0.27 per diluted  share  compared to income from
continuing  operations  of $0.4 million or $0.04 per diluted share in the fourth
quarter of 2005. The Company reported no income from discontinued  operations in
the fourth quarter of 2006, compared to $0.4 million and $0.04 per diluted share
in last year's fourth quarter, which relates to its former Geotechnical Division
that was sold in the first quarter of 2006. Net income was $3.0 million or $0.27
per diluted share in 2006 compared to $0.9 million or $0.08 per diluted share in
2005.

Net sales increased 44% to $110.5 million compared to $76.7 million in the prior
year quarter.

Gross profit  margin was 13.1%,  up 200 basis points from the prior year quarter
primarily  as a result  of  increased  billing  margins  and to a lesser  extent
decreased LIFO expense.

Selling and  administrative  expenses  increased  $1.6  million or 22% over last
year's  quarter due  primarily to employee  related  costs and benefit  expenses
including  incentive  compensation  and,  to a  lesser  extent,  bad  debts  and
advertising expenses.  Fourth quarter interest expense increased $0.3 million or
40%  over  the  prior  year  due  to  increased  interest  rates  and  increased
borrowings.  The  increase in  borrowings  was due  primarily  to an increase in
working capital  requirements as well as significant  capital  investments  made
during the year. The Company's  income tax rate from  continuing  operations was
34.1% in the fourth quarter compared to 10.6% in the prior year quarter. The low
tax rate in the 2005 fourth quarter was the result of adjustments related to the
reconciliation  of certain tax accounts and releasing a portion of the valuation
allowance provided for state deferred assets.

"Fourth  quarter sales were unusually  strong.  We normally see certain areas of
our business  slow down late in the year as inclement  weather  begins to reduce
construction  activity.  This year,  the seasonal  slowdown  was  mitigated by a
number of factors:  projects  that were  delayed  from the third  quarter to the
fourth quarter, milder than normal weather experienced in November and December,
and  certain  customers  deciding  to put  product on the ground in an effort to
avoid product  availability and delivery delays when weather  conditions  permit
construction  continuation,"  commented  Stan  Hasselbusch,  President and Chief
Executive  Officer.  "Overall,  our  Construction  Products  and  Rail  Products
Segments  continued to deliver strong sales and gross profit  margins.  Our Rail
Products  Segment  performed  substantially  better  than  last  year  with  the
exception  of our  concrete  tie  business  where  operating  results  were very
disappointing  due primarily to permitting and operational  issues at our Tucson
facility.  Our  Construction  Products Segment also surpassed last year's fourth
quarter  results due to  significant  across the board  improvements  in piling,
fabricated products and concrete buildings," remarked Mr. Hasselbusch. "While we
struggled  at our Tucson  concrete  tie  facility,  our  employees  have  worked
diligently  to get  all the  equipment  and  related  processes  on line  and in
production.  We still  have a way to go, but are  making  meaningful  progress,"
added Mr. Hasselbusch.

2006 Full Year Results

For the twelve months ended December 31, 2006,  L.B. Foster reported income from
continuing  operations of $10.7  million or $0.99 per diluted share  compared to
$4.8  million  or $0.46 per  diluted  share in 2005.  Income  from  discontinued
operations for 2006 was $2.8 million or $0.26 per diluted share compared to $0.6
million or $0.06 per diluted share. Income from discontinued  operations in 2006
includes  the  gain on the  sale of its  former  Geotechnical  Division  of $3.0
million. The discontinued operations income tax provision was favorably affected
by the release of a valuation  allowance  recorded in 2003  related to a capital
loss carryforward.

Net sales for 2006 increased 20% to $389.8 million compared to $326.0 million in
2005. Gross profit margin was 13.2%, up 190 basis points from 2005, primarily as
a result of increased  billing  margins and, to a lesser extent  decreased  LIFO
expense.

Selling and administrative expenses increased $5.1 million or 18% over the prior
year due primarily to employee related costs including  incentive  compensation.
Interest  expense  increased  $0.9  million over the prior year due to increased
interest  rates and increased  borrowings.  The  Company's  income tax rate from
continuing operations was 32.1% compared to 31.0% in the prior year.

Cash used by  operations  was  approximately  $15.1 million for 2006 and capital
expenditures  were $17.0  million.  "We expect to  generate  positive  cash from
operations  in 2007 and also  anticipate  capital  expenditures  to be below $10
million,"  commented  Mr.  Hasselbusch,  who  concluded by  reporting,  "Overall
business  activity  remains  strong  and is  reflected  in our  order  bookings.
Bookings  for 2006 were $431  million,  19% higher  than last  year.  Backlog at
December 31, 2006 was $141  million,  41% higher than last year.  We believe the
strong year-end  backlog and the fact that orders already entered during January
2007 are 50% higher than January 2006 will translate into a strong 2007."


L. B. Foster  Company will conduct a conference  call and webcast to discuss its
fourth quarter 2006 operating results on Wednesday,  January 31, 2007 at 11:00am
ET.  The call  will be  hosted  by Mr.  Stan  Hasselbusch,  President  and Chief
Executive   Officer.   Listen   via   audio  on  the  L.B.   Foster   web  site:
www.lbfoster.com, by accessing the Investor Relations page.

The Company  wishes to caution  readers  that  various  factors  could cause the
actual  results of the  Company to differ  materially  from those  indicated  by
forward-looking statements in news releases, and other communications, including
oral statements,  such as references to future profitability,  made from time to
time by  representatives  of the Company.  Specific risks and uncertainties that
could  affect the  Company's  profitability  include,  but are not  limited  to,
general economic conditions,  adequate funding for infrastructure  projects, the
potential value of the Dakota Minnesota & Eastern Railroad, production delays or
problems  encountered at our manufacturing  facilities,  and the availability of
existing  and new piling and rail  products.  In addition,  neither  backlog nor
orders  entered  are  necessarily  indicative  of  future  performance.  Matters
discussed in such  communications  are  forward-looking  statements that involve
risks and  uncertainties.  Sentences  containing  words  such as  "anticipates,"
"expects," or "will," generally should be considered forward-looking statements.
More detailed information on these and additional factors which could affect the
Company's  operating and financial  results are described in the Company's Forms
10-K,  10-Q and other  reports,  filed or to be filed  with the  Securities  and
Exchange  Commission.  The Company  urges all  interested  parties to read these
reports to gain a better understanding of the many business and other risks that
the  Company  faces.  The  forward-looking  statements  contained  in this press
release  are made only as of the date  hereof,  and the  Company  undertakes  no
obligation to update or revise these  forward-looking  statements,  whether as a
result of new information, future events or otherwise.


CONDENSED STATEMENTS OF CONSOLIDATED INCOME L. B. FOSTER COMPANY AND SUBSIDIARIES (In Thousands, Except Per Share Amounts) Three Months Ended Twelve Months Ended December 31, December 31, ------------------------ -------------------------- 2006 2005 2006 2005 ------------------------ -------------------------- NET SALES $110,452 $76,730 $389,788 $325,990 COSTS AND EXPENSES: Cost of goods sold 96,000 68,249 338,197 289,201 Selling and administrative expenses 8,996 7,385 33,657 28,579 Interest expense 975 697 3,390 2,472 Other income (59) (81) (1,245) (1,286) --------- ------- --------- --------- 105,912 76,250 373,999 318,966 --------- ------- --------- --------- INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES 4,540 480 15,789 7,024 INCOME TAXES 1,550 51 5,074 2,176 --------- ------- --------- --------- INCOME FROM CONTINUING OPERATIONS, NET OF TAX 2,990 429 10,715 4,848 DISCONTINUED OPERATIONS: (LOSS) INCOME FROM DISCONTINUED OPERATIONS (43) 482 3,153 714 INCOME TAXES (19) 51 338 128 --------- ------- --------- --------- (LOSS) INCOME FROM DISCONTINUED OPERATIONS, NET OF TAX (24) 431 2,815 586 NET INCOME $2,966 $860 $13,530 $5,434 ========= ======= ========= ========= BASIC EARNINGS PER COMMON SHARE: FROM CONTINUING OPERATIONS $0.28 $0.04 $1.03 $0.48 FROM DISCONTINUED OPERATIONS (0.00) 0.04 0.27 0.06 --------- ------- --------- --------- BASIC EARNINGS PER COMMON SHARE $0.28 $0.08 $1.30 $0.54 ========= ======= ========= ========= DILUTED EARNINGS PER COMMON SHARE: FROM CONTINUING OPERATIONS $0.27 $0.04 $0.99 $0.46 FROM DISCONTINUED OPERATIONS (0.00) 0.04 0.26 0.06 --------- ------- --------- --------- DILUTED EARNINGS PER COMMON SHARE $0.27 $0.08 $1.25 $0.52 ========= ======= ========= ========= AVERAGE NUMBER OF COMMON SHARES OUTSTANDING - BASIC 10,529 10,186 10,403 10,122 ========= ======= ========= ========= AVERAGE NUMBER OF COMMON SHARES OUTSTANDING - DILUTED 10,877 10,585 10,809 10,492 ========= ======= ========= =========