The Roads and Bridges section is responsible for management, operation, and maintenance of public roads and bridges, storm drains within the public right of way, sanitation district collection, treatment, and disposal facilities, County Service Area urban services, and closed County landfills, all within the unincorporated area of the County.

The Roads and Bridges section issues permits for encroachments within the County road right of way, sewer connection permits within special districts, and various transportation permits for the road system.