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Boone County

Population: 162,642

Maintenance Buildings located in: Columbia



I-70 bridges logo

Columbia I-70 Bridges Project

The Columbia I-70 Bridges Project is an $18 million design-build project to replace the I-70 bridges over Business Loop 70/West Boulevard, Garth Avenue, and MO Route 763/Rangeline Street in Columbia, Mo. 

For more information and to sign up to receive weekly e-mail updates on the project, visit www.modot.org/ColumbiaBridges or call 1-888-275-6636.

Helpful Link: Columbia I-70 Bridges Project Webpage





Welcome Letter


Frequently Asked Questions


Bonne Femme Aerial


Bonne Femme Detour


Gans Creek Aerial Map


Gans Creek Detour map

Comment Form 63 Outer Road

Comment Form

Aerial 63

Aerial J-Turn Diagram



Your input is important! Please tell us what you think about the project to make improvements to these bridges.


Online Comment Form:


Route OO Bridge Hinkson

Route OO Bridge Replacement
Online Community Briefing

Nov. 19-29, 2014

The Missouri Department of Transportation is holding a public meeting to provide information on plans to replace the Route OO bridge over Hinkson Creek, southwest of Hallsville. The proposed work will improve safety for motorists who utilize the bridge. The bridge and road will be completely closed during the work, which is scheduled to last approximately 3 to 4 months.  Detours will be signed along state routes. The project is scheduled to be awarded in spring of 2015, with construction tentatively scheduled to take place in the summer of 2015.



Welcome Letter


Frequently Asked Questions

Route OO Bridge Plans

Route OO Bridge Plans


Route OO Detour Map


Route OO Bridge Section


Your input is important! Please tell us what you think about the project to make improvements to the Route OO bridge.

Online Comment Form:



Boone EandUU111114

Route E & UU Bridge Improvements
Online Community Briefing

Nov. 13-23, 2014

The Missouri Department of Transportation is holding a public meeting to discuss bridge improvements on Route E and Route UU in Boone County. The improvements include: The redecking of the bridges over Perche Creek and Rocky Fork Creek on Route E located about 2.5 miles north of I-70 and the replacement of the bridge over Sugar Branch Creek on Route UU located 2 miles south of I-70. It will be necessary to close Route E and Route UU and detour traffic. The project is scheduled to begin in summer of 2015.

Materials presented at the public meeting on November 12 are located below:


Welcome Letter


Frequently Asked Questions

Bridge Design

Route UU Bridge Section


Route UU Plan and Profile

Route UU Detour

Route UU Detour Map

Route E Detour 1114

Route E Detour Map


Route E Bridges Display

Comment Form

Printable Comment Form



Your input is important! Please tell us what you think about the project to make improvements to these bridges.

Online Comment Form:



Ashland Boone YM

Project Description

Roadwork on Route 63 and the Y/M Interchange in Ashland near completion. This is a large project encompassing multiple improvements, including:


  • Bridge deck and structure repairs on the Route M and Y overpass, and a new driving surface
  • Adding a J-turn on Route 63 just south of Peterson Lane, which will replace the existing median crossovers at Liberty Lane and Peterson Lane
  • Installing roundabouts on Routes M and Y at the Route 63 overpass
  • Pavement repairs throughout the Route 63 corridor between Route WW in Columbia and U.S. 54 in Callaway County
  • A new overlay with shoulder sealing from Route WW to U.S. 54 in Callaway County

Project Description

Contractor: APAC - Missouri
Contract Cost: $8,481,805.37
Project Length: 26.9 miles
Project Administration: Columbia Project Office
Completion Date: November 1, 2014




FAQ Boone63YM

Boone County Route 63 and YM Interchange FAQ

project overview

Construction Map



For more information about the Boone County Route 63 improvement project, click here.



Route B Bridge Rehab

Route B Bridge Replacement
Online Community Briefing

March 3-13, 2014

The Missouri Department of Transportation is discussing a project to construct a bridge on Route B over Business Loop 70 in Columbia. This project is a cooperative effort between MoDOT and the City of Columbia. The project is scheduled to begin in June, 2014. Materials presented at the public meeting on March 3 are located below:


Route B Welcome Letter

Welcome Letter

FAQ Route B Columbia

Frequently Asked Questions

Route B Detour Handout

Route B Detour Handout

Bus Loop 70 Detour

Business Loop Detour

Printable Route B Comm Form

Printable Comment Form



Route 63 Hinton J-turn


Route 63 Intersection Improvements

Online Community Briefing

Jan. 9 -  Jan. 20, 2014

MoDOT is proposing intersection improvements along Route 63 in Boone County. The project involves the construction of J-Turns, offset left turns, acceleration and deceleration lanes at the intersection of Route 63 and Hinton Road/Calvert Hill Road, north of Columbia. This project is scheduled for the 2014 construction season. Materials presented at the public meeting on Jan. 9 are located below:



Route 740 logo

Traffic Flowing Smoothly on Central Missouri's First Diverging Diamond Interchange

Traffic is flowing well on Central Missouri’s first diverging diamond interchange, which opened to traffic Oct. 13 at Route 740 (Stadium Boulevard) and Interstate 70 in Columbia. If you haven't had the opportunity to drive it yet, take advantage of the information below to learn how it works.

Take a Virtual Drive Through Mid-Missouri's First Diverging Diamond Interchange

To help motorists better understand how the new interchange works, the City of Columbia created a video that takes travelers on a virtual driving tour of the interchange.  Click on the video to learn more! 


Other helpful videos:

How the Route 740 Diverging Diamond Interchange Works

Video:  What Does A Diverging Diamond Interchange Look Like?

Other informational materials related to the project:


Route 740 aerial map

Aerial Map

Route 740 construction schedule

Construction Schedule



Frequently Asked Questions

strip map

Strip Map

Route 740 DDI map

Diverging Diamond Interchange Map

What is a Diverging Diamond Interchange?

What is a Diverging Diamond Interchange? (pdf, 389 KB)


How to drive a diverging diamond interchange

How to Drive a Diverging Diamond

Interchange (pdf, 112 KB)




Click here to view previous Route 740 project materials presented at a public meeting held May 24, 2011



Route Z Road and Bridge Improvements

The Missouri Department of Transportation is nearing completion of road and bridge improvements along Route Z at Interstate 70. The work is designed to improve safety and accommodate an expected increase in traffic associated with the new Battle High School. While many components are complete, construction of a roundabout at the intersection of Route Z and St. Charles Road continues. The entire project is scheduled for completion in mid-August.


*NEW* Route Z Bridge Opens July 19

Route Z Improvements to Begin April 2 (News Release, March 27, 2013)

Meeting Set to Discuss Route Z Road and Bridge Projects (News Release, Nov. 2, 2012)

Route Z Online Public Hearing, Nov. 14 - Nov. 24


Welcome letter

Welcome Letter

Community briefing

Frequently Asked Questions

location sketch

Project location sketch

Route Z improvements

Route Z Improvements

Typical sections

Route Z Typical Sections

Route Z north detour

Route Z North Detour

Route Z bridge improvements

Bridge Improvements

Bridge typical selection

Typical Section on Bridge

Route Z south detour

Route Z South Detour


For more information, please contact Project Manager Mike Dusenberg at (573) 751-7699 or Michael.Dusenberg@modot.mo.gov.



U.S. 63 and Route H Interchange

The Missouri Department of Transportation proposes to construct a diamond interchange at U.S. 63 and Route H near the Columbia Regional Airport in Boone County. The project also includes constructing new southbound lanes from just north of Route 163 to Route H in Columbia. An outer roadway would be created using the current southbound lanes. This would allow for the removal of several crossovers to improve safety.

Route 63 and H Interchange Project Nearing Completion

Route 163 Crossover Closed (April 18, 2012)

New Interchange Bridge at U.S. 63 and Route H Takes Shape  (News Release, Feb. 28,. 2012)

Route H Detour Changes for Interchange Construction at U.S. 63 (News Release, Oct. 12, 2011)

Roadway Closures Planned for Interchange Construction at U.S. 63 and Route H (News Release, Aug. 19, 2011)

Route H to Close on Aug. 22 at U.S. 63 in Boone County for Interchange Construction (News Release, Aug. 10, 2011)


East Columbia Environmental Impact Statement


East Columbia Final EIS

East Columbia Final Environmental Impact Statement

December 2009



The Final Environmental Impact Statement is an environmental study designed to identify East Columbia's current and future transportation needs and to assess how best to meet those needs while minimizing impacts to the surrounding community and environment.

Click here for locations where you can review a paper copy of the Final Environmental Impact Statement.

This document is provided in Acrobat Reader format. Free Acrobat Reader download PDF Icon


Cover and Signature Page (289 KB)

Notice (88 KB)

Table of Contents (40 KB)

Summary (202 KB)

Chapter I: Purpose and Need (389 KB)

Chapter II: Alternatives (356 KB)

Chapter III: Affected Environment (75 KB)

Chapter IV: Environmental Consequences (566 KB)

Chapter V: Comments and Coordination (761 KB)

Chapter VI: DEIS Distribution List (37 KB)

Index (24 KB)

Appendices A through E (465 KB)

(Safety & Accident Data, List of Preparers, Partnering Agreement,

Public Involvement Plan, Public Information Meeting Summaries)

Appendix F: Notice of Availability (771 KB)

Appendix G: Property Owner's Guide (446 KB)

Appendix H: Agency Correspondence (925 KB)

Appendix I: Partner Concurrence (1.21 MB)

Entire East Columbia Final EIS (large pdf file, 17.95 MB)




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