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 close Broadway ramp to westbound I-64 for two weeks

03/21/2019

ST. LOUIS – Starting next Monday, drivers heading west from downtown will need to avoid the ramp from Broadway to westbound I-64, as crews will close the ramp for two weeks to remove, repair and replace the driving surface.

Crews will close the ramp...
St. Louis Work Zones for March 21-27

03/20/2019

ST. LOUIS – Drivers who use I-44 should be aware of some new lane restrictions that will be in place after this weekend.

On Saturday, March 23, crews will close two lanes on westbound I-44 and shift the remaining two lanes onto the eastbound...
Work Zone 5K, 1 Mile Fun Run Saturday, April 13, in Chesterfield

03/19/2019

ST. LOUIS – Spring is here and soon construction and maintenance work zones will be popping up like daffodils across the region.

Employees from MoDOT, St. Louis County, Missouri Highway Patrol, construction industry partners and their families will...