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<SEC-DOCUMENT>0000950123-11-012137.txt : 20110211
<SEC-HEADER>0000950123-11-012137.hdr.sgml : 20110211
<ACCEPTANCE-DATETIME>20110210203306
ACCESSION NUMBER:		0000950123-11-012137
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20110211
DATE AS OF CHANGE:		20110210
GROUP MEMBERS:		COLUMBIA MANAGEMENT INVESTMENT ADVISERS, LLC

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			STERLING CONSTRUCTION CO INC
		CENTRAL INDEX KEY:			0000874238
		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
		IRS NUMBER:				251655321
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-41786
		FILM NUMBER:		11594617

	BUSINESS ADDRESS:	
		STREET 1:		2751 CENTERVILLE RD.
		STREET 2:		SUITE 3131
		CITY:			WILMINGTON
		STATE:			DE
		ZIP:			19803
		BUSINESS PHONE:		3024789170

	MAIL ADDRESS:	
		STREET 1:		20810 FERNBUSH LANE
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77073

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OAKHURST CO INC
		DATE OF NAME CHANGE:	19950831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	OAKHURST CAPITAL INC
		DATE OF NAME CHANGE:	19931130

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AMERIPRISE FINANCIAL INC
		CENTRAL INDEX KEY:			0000820027
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				133180631
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		1099 AMERIPRISE FINANCIAL CENTER
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55474
		BUSINESS PHONE:		612-671-2018

	MAIL ADDRESS:	
		STREET 1:		1099 AMERIPRISE FINANCIAL CENTER
		CITY:			MINNEAPOLIS
		STATE:			MN
		ZIP:			55474

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN EXPRESS FINANCIAL CORP
		DATE OF NAME CHANGE:	20030513

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AMERICAN EXPRESS FINANCIAL ADVISORS
		DATE OF NAME CHANGE:	19950711

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IDS FINANCIAL CORP/MN/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>c62805u4sc13gza.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML>
<HEAD>
<TITLE>sc13gza</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>SCHEDULE 13G</B>
</DIV>

<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Amendment #1</B></DIV>

<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Under the Securities and Exchange Act of 1934</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>Sterling Construction Co., Inc.

<DIV style="width: 100%; border-bottom: 1px solid #000000; FONT-size: 1px">&nbsp;</DIV></B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Name of Issuer)</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Common Stock<DIV style="width: 100%; border-bottom: 1px solid #000000; FONT-size: 1px">&nbsp;</DIV>
(Title of Class of Securities)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">859241101
<DIV style="width: 100%; border-bottom: 1px solid #000000; FONT-size: 1px">&nbsp;</DIV>
(CUSIP Number)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">December&nbsp;31, 2010<DIV style="width: 100%; border-bottom: 1px solid #000000; FONT-size: 1px">&nbsp;</DIV>
(Date of Event Which Requires Filing of this Statement)</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Schedule is filed pursuant to Rule&nbsp;13d-1(b)
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The information required in the remainder of this cover page (except any items to which the form
provides a cross-reference) shall not be deemed to be &#147;filed&#148; for the purpose of Section&nbsp;18 of the
Securities Exchange Act of 1934 (&#147;Act&#148;) or otherwise subject to the liabilities of that section of
the Act but shall be subject to all other provisions of the Act.
</DIV>


<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
</DIV>



<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="20%">&nbsp;</TD>
<TD width="55%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="9%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="9%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->






<TR valign="bottom">
<TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px">CUSIP No.</DIV></TD>
<TD>&nbsp;</TD>
<TD align="center" valign="top"><DIV style="border: 1px solid #000000">859241101&nbsp;</DIV></TD>
<TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>&nbsp;<DIV style="width: 100%; border: 1px solid black"><DIV align="center">

<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="1" width="100%">
<!-- Begin Table Head --><TR style="font-size: 1px">
<TD width="5%">&nbsp;</TD>
<TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
<TD width="5%">&nbsp;</TD>
<TD width="5%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="83%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
<TD valign="middle" align="center"><FONT style="font-size: 18pt"><B>1</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">NAME OF REPORTING PERSON<BR>
Ameriprise Financial, Inc.<BR><BR> S.S. or I.R.S. Identification <BR> IRS No. 13-3180631<BR><BR>No. of Above Person</TD>
</TR>
<TR valign="bottom">
<TD>&nbsp;</TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>


<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>2</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP<BR><BR></TD>
</TR>

<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">(a)&nbsp;&nbsp;&nbsp;<FONT face="wingdings" size="2">&#111;</FONT></TD>
</TR>

<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">(b)&nbsp;&nbsp;&nbsp;<FONT face="wingdings" size="2">&#254;</FONT>*</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>3</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">SEC USE ONLY</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>4</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CITIZENSHIP OR PLACE OF ORGANIZATION</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">Delaware</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>5</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SOLE VOTING POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">NUMBER OF</TD>
<TD>&nbsp;</TD>
<TD align="left">-0-</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">SHARES</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>6</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SHARED VOTING POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">BENEFICIALLY</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">OWNED BY</TD>
<TD>&nbsp;</TD>
<TD>1,962,757</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">EACH</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>7</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SOLE DISPOSITIVE POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">REPORTING</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">PERSON</TD>
<TD>&nbsp;</TD>
<TD align="left">-0-</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">WITH</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>8</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SHARED DISPOSITIVE POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD align="left">2,205,951</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>9</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">2,205,951</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>10</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CHECK IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">Not Applicable</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>11</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">13.49&#37;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>12</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">TYPE OF REPORTING PERSON </TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CO</TD>
</TR>
<!-- End Table Body --></TABLE>
</DIV>
</DIV>

<DIV style="font-size: 10pt; margin-top: 3pt">* This filing describes the reporting person&#146;s relationship with other persons, but the reporting person does not affirm the existence of a group.
</DIV>





<P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
</DIV>


<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="20%">&nbsp;</TD>
<TD width="55%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="9%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="9%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->






<TR valign="bottom">
<TD valign="top" nowrap><DIV style="margin-left:0px; text-indent:-0px">CUSIP No.</DIV></TD>
<TD>&nbsp;</TD>
<TD align="center" valign="top"><DIV style="border: 1px solid #000000">859241101
&nbsp;</DIV></TD>
<TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P>&nbsp;<DIV style="width: 100%; border: 1px solid black"><DIV align="center">

<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="1" width="100%">
<!-- Begin Table Head --><TR style="font-size: 1px">
<TD width="5%">&nbsp;</TD>
<TD width="1%" style="border-left: 1px solid #000000">&nbsp;</TD>
<TD width="5%">&nbsp;</TD>
<TD width="5%">&nbsp;</TD>
<TD width="1%">&nbsp;</TD>
<TD width="83%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
<TD valign="middle" align="center"><FONT style="font-size: 18pt"><B>1</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">NAME OF REPORTING PERSON<BR>
Columbia Management  <BR>
Investment Advisers, LLC<BR><BR>S.S. or I.R.S. Identification<BR>IRS No. 41-1533211<BR><BR> No. of Above Person</TD>
</TR>
<TR valign="bottom">
<TD>&nbsp;</TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>


<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>2</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP <BR><BR></TD>
</TR>

<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">(a)&nbsp;&nbsp;&nbsp;<FONT face="wingdings" size="2">&#111;</FONT></TD>
</TR>

<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">(b)&nbsp;&nbsp;&nbsp;<FONT face="wingdings" size="2">&#254;</FONT>*</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>3</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">SEC USE ONLY</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>4</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CITIZENSHIP OR PLACE OF ORGANIZATION</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">Minnesota</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>5</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SOLE VOTING POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">NUMBER OF</TD>
<TD>&nbsp;</TD>
<TD align="left">-0-</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">SHARES</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>6</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SHARED VOTING POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">BENEFICIALLY</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">OWNED BY</TD>
<TD>&nbsp;</TD>
<TD>1,962,757</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">EACH</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>7</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SOLE DISPOSITIVE POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">REPORTING</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">PERSON</TD>
<TD>&nbsp;</TD>
<TD align="left">-0-</TD>
</TR>

<TR style="font-size: 1px">
<TD colspan="3">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000; border-left: 1px solid #000000; border-right: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
<TD align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD align="center" colspan="3">WITH</TD>
<TD valign="middle" align="center" rowspan="3" style="border-left: 1px solid #000000; border-right: 1px solid #000000"><FONT style="font-size: 18pt"><B>8</B></FONT></TD>
<TD>&nbsp;</TD>
<TD align="left">SHARED DISPOSITIVE POWER</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD align="center" colspan="3">&nbsp;</TD>
<TD>&nbsp;</TD>
<TD align="left">2,205,951</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>9</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">2,205,951</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>10</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">CHECK IF THE AGGREGATE AMOUNT IN ROW (9)&nbsp;EXCLUDES CERTAIN SHARES </TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">Not Applicable</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>11</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">13.49&#37;</TD>
</TR>

<TR style="font-size: 1px">
<TD style="border-top: 1px solid #000000">&nbsp;</TD>
<TD style="border-left: 1px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>

<TR valign="bottom">
<TD valign="middle" align="center" rowspan="3"><FONT style="font-size: 18pt"><B>12</B></FONT></TD>
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">TYPE OF REPORTING PERSON </TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">&nbsp;</TD>
</TR>
<TR valign="bottom">
<TD style="border-left: 1px solid #000000">&nbsp;</TD>
<TD colspan="4" align="left">IA</TD>
</TR>
<!-- End Table Body --></TABLE>
</DIV>
</DIV>

<DIV style="font-size: 10pt; margin-top: 3pt">* This filing describes the reporting person&#146;s relationship with other persons, but the reporting person does not affirm the existence of a group.
</DIV>




<P align="center" style="font-size: 10pt"><!-- Folio --><!-- /Folio -->
</DIV>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">

    <TD width="4%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="31%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="51%">&nbsp;</TD>


</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">1(a)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Name of Issuer:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Sterling Construction Co., Inc.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">1(b)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Address of Issuer&#146;s Principal</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">20810 Fernbush Ln.</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Offices:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Houston, TX  77073</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">2(a)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Name of Person Filing:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(a) Ameriprise Financial, Inc. (&#147;AFI&#148;)<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(b) Columbia Management Investment<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Advisers, LLC (&#147;CMIA&#148;)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:15px; text-indent:-15px">2(b)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Address of Principal Business Office:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(a) Ameriprise Financial, Inc.<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">145 Ameriprise Financial Center<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Minneapolis, MN  55474<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(b) 100 Federal St.<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Boston, MA 02110</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">2(c)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Citizenship:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(a) Delaware<br></TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(b) Minnesota</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">2(d)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Title of Class of Securities:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Common Stock</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">2(e)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Cusip Number:</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">859241101</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">3</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Information if statement is filed pursuant to Rules&nbsp;13d-1(b) or 13d-2(b):</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 10%">(a)&nbsp;Ameriprise Financial, Inc.
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>A parent holding company in accordance with Rule&nbsp;13d-1(b)(1)(ii)(G). (Note: See Item&nbsp;7)</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 10%">(b)&nbsp;Columbia Management Investment Advisers, LLC
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>An investment adviser in accordance with Rule&nbsp;13d-1(b)(1)(ii)(E)</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">4</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Incorporated by reference to Items (5)-(9) and (11)&nbsp;of the cover page pertaining to each
reporting person.</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>AFI, as the parent company of CMIA, may be deemed to beneficially own the shares reported
herein by CMIA. Accordingly, the shares reported herein by AFI include those shares
separately reported herein by CMIA.</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Each of AFI and CMIA disclaims beneficial ownership of any shares reported on this Schedule.</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">5</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Ownership of 5% or Less of a Class:</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>If this statement is being filed to report the fact as of the date hereof the reporting
person has ceased to be the beneficial owner of more than five percent of the class of
securities, check the following ( ).</TD>
</TR>



</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">6</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Ownership of more than 5% on Behalf of Another Person: Not Applicable</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">7</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Identification and Classification of the Subsidiary Which Acquired the Security Being
Reported on by the Parent Holding Company:</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 10%">AFI:&nbsp;&nbsp;&nbsp;See Exhibit&nbsp;I
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">8</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Identification and Classification of Members of the Group:</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 10%">Not Applicable
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">9</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Notice of Dissolution of Group:</TD>
</TR>

</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 10%">Not Applicable
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">10</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>Certification:</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD>By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the ordinary
course of business and were not acquired for the purpose of and do not
have the effect of changing or influencing the control of the issuer
of such securities and were not acquired in connection with or as a
participant in any transaction having such purposes or effect.</TD>
</TR>





</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">



</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Signature
</DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 2%">After reasonable inquiry and to the best of my knowledge and belief, I certify that the
information set forth in this statement is true, complete and correct.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Dated: February&nbsp;11, 2011
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">Ameriprise Financial, Inc.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Wade M. Voigt
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">Wade M. Voigt&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left">Director &#151; Fund Administration&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">Columbia Management Investment<BR>
Advisers, LLC<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Amy Johnson
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Name:&nbsp;&nbsp;</TD>
    <TD align="left">Amy Johnson&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top">Title:&nbsp;&nbsp;</TD>
    <TD align="left">Chief Operating Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">Contact Information
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Wade M. Voigt<BR>
<U>Director &#151; Fund Administration</U><BR>
Telephone: (612)&nbsp;671-5682<BR>
</TD>

</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD colspan="3" align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U>Exhibit&nbsp;Index</U>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="10%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="89%">&nbsp;</TD>
</TR>
<TR></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;I
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Identification and Classification of the Subsidiary which
Acquired the Security Being Reported on by the Parent Holding
Company.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Exhibit&nbsp;II
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Joint Filing Agreement</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.I
<SEQUENCE>2
<FILENAME>c62805u4exv99wi.htm
<DESCRIPTION>EX-99.I
<TEXT>
<HTML>
<HEAD>
<TITLE>exv99wi</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Exhibit&nbsp;I
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">to
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;13G
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ameriprise Financial, Inc., a Delaware Corporation, is a parent holding company. The
classification and identity of the relevant subsidiaries is as follows:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Investment Adviser &#151; Columbia Management Investment Advisers, LLC is an investment adviser
registered under section 203 of the Investment Advisers Act of 1940.
</DIV>





<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.II
<SEQUENCE>3
<FILENAME>c62805u4exv99wii.htm
<DESCRIPTION>EX-99.II
<TEXT>
<HTML>
<HEAD>
<TITLE>exv99wii</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Exhibit&nbsp;II
</DIV>


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">to
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Schedule&nbsp;13G
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Joint Filing Agreement
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The undersigned persons agree and consent to the joint filing on their behalf of this Schedule&nbsp;13G
dated February&nbsp;11, 2011 in connection with their beneficial ownership of Sterling Construction Co.,
Inc. Columbia Management Investment Advisers, LLC authorizes Ameriprise Financial, Inc. to execute
the Schedule&nbsp;13G to which this Exhibit is attached and make any necessary amendments thereto.
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>

    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD colspan="3" align="left">Ameriprise Financial, Inc.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Wade M. Voigt
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Wade M. Voigt&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Director &#151; Fund Administration&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
<TR>
    <TD colspan="3" align="left">Columbia Management Investment Advisers, LLC<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ Amy Johnson
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Amy Johnson&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Chief Operating Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

</BODY>
</HTML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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