St. Louis City Construction

Current construction projects in St. Louis City

Broadway over I-44

 This project replaces the Broadway bridge over I-44 as well as the ramp from the I-70 express lanes to Broadway.

I-55 bridge rehabilitation

This four-year project rehabilitates or resurfaces 14 bridges along I-55 between I-44 in the city of St. Louis and Lindbergh in St. Louis County.

I-270 over the Mississippi River (IDOT project)

The Illinois Department of Transportation is currently working on a new Chain of Rocks bridge over the Mississippi River.  This project will include an updated interchange on I-270 at Riverview in Mis...

Construction planned for I-70 in the city of St. Louis

MoDOT has several projects along I-70 in the city of St. Louis scheduled for 2023. 

I-70 sign replacement in St. Louis City and St. Louis and St. Charles counties

Crews are replacing overhead signs along the I-70 corridor in St. Louis City as well as St. Louis and St. Charles counties.

2023-2024 planned construction for the city of St. Louis

This map details the location and type of construction projects planned for the city of St. Louis in 2023-2024.

Latest Construction project news

Future or planned projects

Sign replacements on I-55 in St. Louis City and St. Louis and Jefferson counties

A project to replace overhead signs along the I-55 corridor between the Ste. Genevieve County Line and the Poplar Street Bridge.

I-64 sign replacements in St. Louis City

A project to replace overhead signs along I-64 between the Poplar Street Bridge and I-70 in St. Charles County, and to replace signs along I-170 between I-64 and I-270.

Future 64 study

MoDOT is working with the community to determine the future of the corridor in terms of needs and desired outcomes. Before MoDOT makes any improvements to the corridor corridor, it will evaluate the e...

Manchester/Chouteau resurfacing in city of St. Louis

A project set to resurface Missouri Route 100 (Chouteau/Manchester) in the city of St. Louis.  The department is working with partners to consider options to improve safety along the corridor prior to...

Route D resurfacing and safety project

MoDOT is in the early stages of planning a project along Route D between Tucker and the city of St. Louis limits. Since the department is early in the planning stages now, it is working with the commu...

Route H Pavement Resurfacing between Adelaide and Riverview

MoDOT is working through design on a resurfacing project along the stretch of Route H (Hall Street) between Adelaide and Riverview in the city of St. Louis.

Bikes and State Roadways in the city of St. Louis

The City of St. Louis and Great Rivers Greenway are in the process of updating many city streets based on the Bike St. Louis Phase 3 plan. Some of the improvements to state roadways have been complete...

Envision I-70 Planning and Environmental Linkages Study

As part of preliminary efforts to improve Interstate 70 across the state of Missouri, MoDOT completed a planning and environmental linkages (PEL) study for the corridor between the city of St. Louis a...

Completed projects

Gravois Roadway improvements

This project made updates to Gravois in the city of St. Louis, including incorporating bike lanes in certain sections, and updating signals and pedestrian crossings. 

Poplar Street Bridge updates

This project made updates to the I-64/I-55 bridge across the Mississippi River, including constructing dual lanes to the bridge from I-44/I-55 and to the south to I-44/I-55

Riverview resurfacing

This project installed a center median and resurfaced much of Riverview.

Natural Bridge resurfacing and safety project

This project constructed roundabouts at three locations along Natural Bridge in the city, as well as made several safety updates along the corridor, including wide medians, mid-block pedestrian crossi...

I-64 interchange at Jefferson

This project constructed a full interchange on I-64  between Jefferson Avenue and 22nd Street in the city of St. Louis. 

St. Louis City Area Leadership

Contact Photo
Jennifer Wade
Jennifer Wade, P.E.
Area Engineer, city of St. Louis
St. Louis District
Contact Info

Phone: (314) 624-7462