Highway
Carroll County Highway Department
10735 Mill Road
Mt. Carroll, IL 61053
Phone: (815) 244-3195
Fax: (815) 244-3197
Email: coengr@carrollcountyil.gov
Office Hours: 8:00 am - 4:00 pm, Monday - Friday
The Highway Department is responsible for constructing and maintaining 125 miles of roads and roadways throughout the county. There are also 24 bridges under county authority.
The department surveys, plans, and supervises the design and construction of all road and bridge projects within the county right-of-way system. This department is also responsible for the township projects constructed or maintained with Motor Fuel Tax Funds and gives technical assistance to township road commissioners when requested.
Maintenance operations include snow and ice control, traffic line painting, mowing, brush/tree trimming, pavement repairs, drainage installations, and seal coating. It is part of the duties of the department to inspect, review and determine the appropriateness of driveways, culverts, signs, and other miscellaneous activities that occur within or along the right-of-way of county roadways.
This department also issues permits for oversized vehicles using county highways and to utility companies, municipalities, etc. for the excavation and installation of utilities within the county highway right-of-way.
| Cherry Grove-Shannon Township | 72.20 |
| Elkhorn Grove Township | 32.44 |
| Fairhaven Township | 50.70 |
| Freedom Township | 35.04 |
| Mount Carroll Township | 45.19 |
| Rock Creek-Lima Township | 66.96 |
| Salem Township | 33.64 |
| Savanna Township | 13.57 |
| Washington Township | 19.36 |
| Woodland Township | 33.54 |
| Wysox Township | 48.43 |
| York Township | 53.89 |
Illinois Road Jurisdiction Map
| Carroll County Seal Coat Operations | ||||||
| Roadway | Limits | Cold Patch Completed | Crack Sealed | One Week from Sealing | Seal Coating | Completed |
| Corbett RD | Lowden Rd to Elizabeth Rte | X | X | |||
| Eagle Point | Shannon Rte to County Line | X | X | |||
| Brookville Rd | Shannon Rte to Benson Rte | X | X | |||
| Milledgeville Rd | IL Rte 40 to County Line | X | X | X | ||
| Elizabeth Rte | IL 78 to Plum River Bridge | X | X | X | ||
| Shannon Rte | IL 72 to Division Rd | X | ||||
Ideal Bridge Project