Counties
Rock Island County
District: 2
County Engineer: John C. Massa
Appointment Date: 7/7/2003
Address: 851 West 10th Avenue, P.O. Box 797
Milan, IL 61264
Telephone: (309) 787-4668
Fax: (309) 787-4680
Email: jmassa@co.rock-island.il.us


Engineer Bio:
John Massa received his B.S. in Civil Engineering from Southern Illinois University Carbondale in December 1991. He worked for the Illinois Department of Transportation in District 2 from March 1992 through June 2003, in the Bureau of Project Implementation, Construction. John started as Rock Island County Engineer in July of 2003.


County Background:
Established on February 9, 1831, Rock Island County is named after the rock island of that name in the Mississippi River.


County Population: 147546
Land Area (Sq. Miles): 447
Assessed Valuation: 2008795332
State Highway Mileage: 225
County Highway Mileage: 202
Township Highway Mileage: 370
Municipal Highway Mileage: 596
County Seat: Rock Island
State House District(s): 71, 72
State Senate District(s): 36
U.S. Congressional Distict(s): 17


Past Engineers
NameStartFinish
Wallace Treichler12/11/19139/13/1937
Melford J. Norby9/14/19374/18/1966
W.O. Mergenthal4/19/19669/30/1971
Glen H. Ehmke10/1/19715/31/1976
Gary E. Lange6/1/197612/27/2003