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

All lanes are currently open in both directions on the Poplar Street Bridge in St. Louis City. Crews will be working during off-peak hours to complete work on barrier, lighting, the flood walls, other preventative maintenance that couldn't be completed during the widening and painting the bridge.

Bridge project

Latest News

MoDOT to Hold Public Hearing on Route 50 Improvements in Franklin County

12/17/2018

ST LOUIS – Franklin County residents who use Route 50 between Route EE and Denmark Road will have an opportunity to give input on an upcoming project in the area. The Missouri Department of Transportation will hold an open-house style public hearing...
St. Louis Work Zones for December 13-19

12/12/2018

ST LOUIS – Drivers heading to downtown St. Louis or into Illinois this weekend will need to use alternate routes as MoDOT will close a stretch of I-70 just north of St. Louis City. Crews will close eastbound and westbound I-70 between Salisbury and...
MoDOT to close I-70 this weekend to remove pedestrian bridge

12/12/2018

ST. LOUIS – Drivers heading to activities downtown or to Illinois this weekend should use I-64, I-55, I-44 or Metro as MoDOT will close a section of I-70 north of St. Louis City.

In addition, the express lanes close Thursday, December 13 at 9 a.m....