This project includes resurfacing 10 miles of Hwy 4 (mill and overlay) from the Iowa state line to Martin County Road 26 west of Sherburn, replacing two bridges between Dunnell and the Iowa line with box culverts, and repairing drainage pipes that cross the highway.
- Construction started June 17.
- Detours are removed as the new culverts have been installed.
- In mid-August, resurfacing is expected to begin and take about two weeks. Motorists are advised to expect brief delays as traffic will be managed with flaggers and pilot cars.