Dubuque County officials have announced that Olde Castle Road is open to traffic following a brief culvert replacement project.

Project Details

•  Type: Construction

•  Road: Olde Castle Rd

•  Segment: From Rockville Rd to Sullivan Rd

•  Length: 1.01 miles

•  Start: Tuesday, July 28, 2026, 8:00 a.m.

•  End: Tuesday, July 28, 2026, 10:00 a.m.

The short-duration construction window addressed needed culvert work on the 1.01-mile stretch of Olde Castle Road between Rockville Road and Sullivan Road. Motorists can now travel the route without restriction.

Drivers are advised to continue exercising caution in the work area as residual activity or temporary conditions may still be present. For the latest updates on Dubuque County road projects, check official county notifications or the county engineering department.

Source: Dubuque County Road Notification