06/03/2026
190th street between Arizona and Birch Avenue is back open to traffic. Great job done by the Humboldt shop regrading the mile using Brian Jackson’s techniques.
This page is dedicated to the maintenance and construction activities associated with Humboldt County Secondary Roads.
2221 220th Street
Humboldt, IA
50548
| Monday | 8am - 4:30pm |
| Tuesday | 8am - 4:30pm |
| Wednesday | 8am - 4:30pm |
| Thursday | 8am - 4:30pm |
| Friday | 8am - 4:30pm |
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