Construction I-44 Meramec River

Meramec River Bridges

Construction begins on the I-44 Meramec River Bridge project just west of I-270

Meramec River Bridge replacement project

Study St. Charles County Missouri Route N Wentzville Lake St. Louis

Route N (St. Charles County) Study

MoDOT, along with FHWA, is conducting a National Environmental Policy Act (NEPA) Study on Route N from west of South Point Prairie Road east to the I-64/Route 364 interchange.

Route N (St. Charles County) Study

Road conditions Weather Flooding Real-time Congestion

Roadway conditions

Get your real-time roadway conditions around St. Louis at Gateway Guide

Real-Time Traffic

I-44 construction in St. Louis City

MoDOT is replacing or renovating several bridges in St. Louis City along I-44. See more about those projects, or others along I-44 here.

Construction on I-44 in St. Louis City

I-64 lane closures across PSB

Crews have two left lanes closed on the westbound I-64 (Poplar Street Bridge) bridge across the Mississippi. These lanes remain closed around-the-clock until early October, with the two right lanes closing after that and remaining closed around the clock through October.

Bridge project

Latest News

MoDOT Offering Joachim Creek Bridge in Jefferson County for Reuse

12/05/2018

ST LOUIS - The Missouri Department of Transportation is accepting proposals for the reuse of the bridge over Joachim Creek on Route 61/67 in Jefferson County. The current bridge will be replaced in 2020.

The bridge is a six-panel Pratt through...
St. Louis Work Zones for December 6 - 12

12/05/2018

ST. LOUIS – Drivers in the north St. Louis County area need to be aware of several nights of work on ramps at the I-270 and I-70 and the I-270 and Route 180 (St. Charles Rock Road) interchanges into next week.

Crews will close the westbound I-70...
MoDOT to close ramp to PSB, three lanes on PSB this weekend

11/29/2018

ST. LOUIS – Drivers heading into Illinois from I-55 will need to consider alternate routes this weekend, as crews will have the ramp from eastbound I-44/northbound I-55 closed to eastbound I-64 across the Mississippi River on the Poplar Street Bridge...