Illinois Department of Transportation
Highway Maintainer
Riley Cowman E in 2025 was employed at Illinois Department of Transportation and had an annual salary of $93,698, according to public records. This salary was 17 percent higher than the average and 3 percent higher than the median salary in Illinois Department of Transportation.
Illinois Department of Transportation records show Riley Cowman E held job of Highway Maintainer from 2019 to 2025.
| Year | 2025 |
| Full Name | Riley Cowman E |
| Job Title | Highway Maintainer |
| Get Highway Maintainer Salary Statistics | |
| State | Illinois |
| Employer | Illinois Department of Transportation |
| Annual Wage | $93,698 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Illinois Department of Transportation |
| Year | 2025 |
| Number of Employees | 7,545 |
| Average Annual Wage | $80,171 |
| Median Annual Wage | $91,273 |
Riley Cowman E (2024)Highway Maintainer | View Person Details |
Riley Cowman E (2022)Highway Maintainer | View Person Details |
Riley Cowman E (2021)Highway Maintainer | View Person Details |
Riley Cowman E (2020)Highway Maintainer | View Person Details |
Riley Cowman E (2019)Highway Maintainer | View Person Details |
Robert Duncan L (2025)Technical Manager V at Illinois Department of Transportation | View Person Details |
Ronald Gene Pohar (2025)Engineering Technician V at Illinois Department of Transportation | View Person Details |
Wendi Schafer C (2025)Real Estate Specialist at Illinois Department of Transportation | View Person Details |
Ross Ruholl H (2025)Civil Engineer at Illinois Department of Transportation | View Person Details |
Teresa Caliper A (2025)Transportation Executive at Illinois Department of Transportation | View Person Details |
Gary Simpson R (2025)Highway Maintainer at Illinois Department of Transportation | View Person Details |
Zackariah Gilham E (2025)Civil Engineer at Illinois Department of Transportation | View Person Details |
Victoria Czuprynski (2025)Public Information Officer at Illinois Department of Transportation | View Person Details |
Randy Neal D (2025)Technical Manager V at Illinois Department of Transportation | View Person Details |
Aaron Moats C (2025)Technical Manager at Illinois Department of Transportation | View Person Details |