Iowa Department of Transportation
800 Lincoln Way
Ames, Iowa 50010
Phone: 515-239-1414


Mark Dunn, P.E.

Ed Kasper P.E.
Assistant contracts engineer

Mary Thompson
Engineering office asst. II

Mainframe/Database Management

Kurt Estrem
Management analyst

Kristine Brinkman
Management analyst

Project scheduling and funding

Jason Miller
Management analyst

Danny Stokes
Management analyst

Duties: Target letting schedule, contractor prequalifications, contractor evaluations, Davis-Bacon wage decisions, maintaining contractor listings, and managing the electronic bid system.

Proposals and estimating

Stacy Ryan, P.E.
Proposal engineer for Districts 4, 5 and 6

Krandel Jack P.E.
Proposal engineer for Districts 1, 2 and 3

Chandler Johnson
Engineering technician senior

Kurt Manus
Engineering technician senior

Troy Calvert
Engineering technician senior

Moses Borntreger
Engineering technician senior

Duties: Preparing proposals, estimates, and Federal Highway Administration plan, specification and estimate (PS&E) packages; plan reviews; determining contract periods, contract packaging, assigning supplemental specifications and special provisions; maintaining the valid bid item list; answering contractors' questions prior to the letting; reviewing contractors' bids; preparing letting reports and bid tabs.


Eric Johnsen, P.E.
Specifications engineer

Donna Matulac
Assistant specifications engineer

Matthew Herman
Information specialist


Travis Bakken
Secretary II