Current Projects
- Route MM Corridor Upgrades
- U.S. Route 61 and U.S. Route 67 Pavement Resurfacing in Jefferson
- Missouri Route 21 Upgrades
- Safety Improvements Project: A Lifesaving Partnership
- Interstate 55 Corridor Improvements Project
- Pavement Resurfacing on Route P from Route A to Route 110
- Route C from Route B to Route Y
- Route 61/67 in Arnold
- Route 61/67 from Route 231 to Richardson Rd.
- Route M at St. Lukes Church Rd. and Moss Hollow Rd.
- Interstate 55 Between Route Z and Route 67 Interchanges
- Route 61/67 from Brandon Wallace Way to 6th/8th St. in Crystal City
- Route 61/67 over Joachim Creek Bridge
- Route 21 Pavement Resurfacing & Bridge Rehabilitation
Jefferson County Construction Maps
Jefferson County Area Leadership
Contact Photo

Stephen O'Connor, P.E.
Title
Area Engineer
Department
St. Louis District
Contact Info
Title
Area Engineer
Department
St. Louis District
Contact Info