Purchasing Section


The current solicitation schedule provides the list of current needs for the department. This site contains solicitations for facility improvement projects, miscellaneous large and small equipment, vehicles, information technology services and miscellaneous goods and services. Types of requests are categorized as; requests for bid (RFB), requests for proposal (RFP) or request for information (RFI).

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Request for information
An RFI may be sought by the Department at any time for purposes of seeking industry knowledge of products or services. There are no awards or purchases made by the Iowa DOT for these types of requests.

The Iowa Administrative Code defines two types of solicitation; Formal and Informal based on thresholds of cost

  1. Formal
    A formal, sealed bid procedure is used for purchase of goods and/or services exceeding $50,000.00.
  2. Informal
    An Informal bid procedure is used for purchase of goods and/or services less than $50,000.00.

All correspondence, documents, addendums or other pertinent information will be posted below for each solicitation. Vendors will be required to visit the current solicitation schedule periodically for all updates.

Please use the furnished mailing label included in each bid proposal, or include  “Iowa Department of Transportation, proposal number & letting date” on the outside of the return envelope.

The list of solicitations will be refreshed at 3 p.m. each day.

Construction projects

The Iowa DOT's Purchasing Section does not provide plan holders names of potential prime contractors. Sets of plans and specifications for construction projects are now attached to the posted solicitation opportunity list. To the fullest extent possible, plan rooms will be utilized statewide for potential bidders to have the ability to print the solicitation, plans and specifications.

Formal Listing

Request for Bid (RFB)

Proposal No. Description Response Due Date Bid Bond Required (Y/N) Agent

Rock Salt For FY2018

Addendum 1

5/10/2017 N Rhonda Ruark

Construction of sanitary sewer system for new Muscatine maintenance facility

Mandatory pre-bid
Time: May 4, 2017, at 10:30 a.m.
Location: 3001 Grandview Ave.,
Muscatine, IA


Questions and responses set 2

5/24/2017 Y Jody McNaughton

Construction of trench drain at the DOT Ames complex chiller building

Mandatory pre-bid
Time: May 15, 2017, at 11 a.m.
Location: 800 Lincoln Way, Ames, IA 50010


Questions and responses set 1

5/31/2017 N Jody McNaughton

Anti-ice trailers

Addendum 1

5/31/2017 N Zach Gillen

Fuel for FY2018 at 3 Iowa Department of Transportation (DOT) tank wagon locations

6/7/2017 N Jean Gustafson

Request for Proposal (RFP)
Proposal No. Description Response Due Date Bid Bond Required (Y/N) Agent

Interstate rest area janitorial services

6/7/2017 N Laura Linduski

Full-service creation and maintenance of general transit feed specification data

6/14/2017 N Zach Gillen

Iowa Truck Parking Information and Management System

6/28/2017 N Jean Gustafson

Informal Listing

Proposal No. Description Response Due Date Email Agent

Demolition of DeWitt salt dome

5/11/2017 Rhonda Ruark

Contractor to renovate the exterior of the DOT repair shop annex at Ames DOT complex

Mandatory pre-bid
Time: May 9, 2017, at 1 p.m.
Location: 800 Lincoln Way, Ames, IA 50010


Addendum 1

Questions and Responses

Addendum 2

Addendum 3

*Revised due date*
Jody McNaughton

Tile Project State Right-of-way on U.S. 30 in Cedar County

5/22/2017 Laura Linduski

Decal installation at rest areas statewide

6/6/2017 Laura Linduski

Carpet projects DOT Driver's license stations at Fort Dodge, Clinton and Muscatine.


6/20/2017 Jody McNaughton

Request for Information (RFI)

RFI No. Description Due Date Email Agent


Response checklist

Questions and responses set 1

6/9/2017 Carrie May

All posted requests are subject to change. It is the responsibility of each vendor to check this Web site for all addendums, questions, revisions, etc., prior to the response due date.

Purchasing Home | Contact Us | State of Iowa
This page is maintained by Laura Linduski, Iowa DOT Purchasing