It's possible that the city is currently in equilibrium between tax rate and quality of roads. You can check the road that it getting fixed on and it's ok [1]. There are potholes here and there but otherwise it's perfectly drivable. There are roads of similar quality in much wealthier places in Bay Area. It's possible that reaction from poor people in town to increased taxes for roads will be - why? it's ok as is now.

I also checked a few random streets in the town and pavement is actually pretty good with few if any potholes. Random street as a point [2]

[1] https://www.google.com/maps/@40.9371624,-90.3942909,3a,75y,2...

[2] https://www.google.com/maps/@40.93875,-90.3599034,3a,75y,346...