St. Louis District

Construction I-44 Meramec River

Meramec River Bridges

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

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.

Road conditions Weather Flooding Real-time Congestion

Roadway conditions

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

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.

Latest News

Other construction projects

Virtual Public Meeting on Riverview

Make your comments on the Riverview virtual public meeting

Route 109 over Route 100

An upcoming project starting this spring on  Route 109 over Route 100  in Wildwood.

Safety Design Build project

Construction continues to improve safety at 31 locations in the greater St. Louis region

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Multimedia area

Photos & video

    

MoDOT Flickr
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Concrete for the Meramec River Bridge foundations

Meramec Bridge

      

Photos on Flickr
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Sliding the Poplar Street Bridge 9 feet downstream

Moving the PSB

     

Video on YouTube
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Crews prepare to slide the PSB 9 feet south.

Sliding the PSB

      

Photos on Flickr