Our goal is to keep Michigan's motorists safe, informed, and mobile. That is why MDOT offers many ways to help ease the stress of commuting by providing information that commuters want and need as they make daily travel decisions.
Did you know that millions of people visit the Great Lakes State every year? Whether you are from out of state or right here in Michigan, we want to ensure your travel throughout Michigan is informative, comfortable, and fun.
At MDOT, safety is paramount. It is our goal to improve overall safety for all road users, internal staff, contractors performing work on roads, and emergency responders.
Every year, MDOT produces an updated version of the state transportation map. The department also produces numerous geographic information system maps to assist commuters, tourists, and businesses.
In Michigan, there are three publicly-owned and operated bridges: Mackinac Bridge, Blue Water Bridge, and International Bridge. There are also two privately-owned and operated border crossings: Ambassador Bridge and Detroit-Windsor Tunnel.
A vibrant and sustainable multimodal transportation system is vital to Michigan's future economic viability and competitiveness. From aviation to public transportation, rail, freight, and marine, MDOT is involved in all modes of transportation.
MDOT's Office of Business Development (OBD) manages external civil rights programs, such as the Disadvantaged Business Enterprise (DBE) Program, the On-the-Job Training Program, and the Small Business Program, and ensures compliance with Title VI of the Civil Rights Act of 1964, equal opportunity requirements for contractors, and the Americans with Disabilities Act of 1990.
MDOT is committed to ensuring that projects, programs and services are performed without discrimination, under Title VI.
Contractors and vendors who work on federally assisted projects are required to establish and carry out policies to assure that applicants are employed and that employees are treated during employment without regard to their race, religion, sex, sexual orientation, gender identity, color, national origin, age, or disability.
Resources for minorities, women, and other socially/economically disadvantaged persons.
The Bureau of Bridges and Structures is responsible for statewide policy, procedure development, and execution to ensure all bridges and structures are designed, constructed, maintained, and operated to ensure safety.
MDOT provides funding for competitive grant and loan programs primarily, but not exclusively, for state and local road agencies for the greatest impact on economic development and job creation.
MDOT's Highway Programs focus on the development and management of the department's roadsides, environmental efforts and policies, and federal-aid highway information.
The Bureau of Transportation Planning develops and implements a comprehensive transportation planning process which results in investments that are consistent with the policies of the State Transportation Commission.
Research Administration supports and promotes innovative research that encourages safe, sustainable and cost-effective transportation solutions throughout Michigan.
MDOT provides technologies and partnerships in order to make the transportation system safer and less congested.
MDOT has ongoing government-to-government communication with 12 federally recognized sovereign tribal governments whose lands are situated within Michigan.
The Office of Communications works with the media to inform the public of MDOT's mission, policies and practices in a positive, consistent and credible manner. The office is responsible for media relations, social media, and website development.
Public participation is integral to efficient, effective and responsive transportation decisions. At MDOT, we want to ensure your voice is not only heard, but makes a difference in moving Michigan forward.
Transportation Reality Check takes on transportation myths and misconceptions, and explains why MDOT does things the way they do.
Resources for the development of quality transportation project documents and services.
Resources for specialized engineering and technical support for construction staff.
Resources for prequalification, bid letting, contract awards, and payments.
Resources for consultant advisories, prequalification information, contracts, and proposals.
Resources for grant and economic development opportunities and project coordination.
Resources for local governmental agencies that regularly require access to state right of way.
Resources for MDOT real estate standards, policies and procedures, and training.
Resources for general work zone mobility guidelines for engineering and technical staff.
Resources for rules, guidelines, restrictions, and permits to safely transport goods.
Open data refers to data that has been officially classified as public that can be made freely available for everyone to use without credentials or restrictions. MDOT promotes transparency, innovation and informed decision-making by providing datasets classified as public freely available to everyone.
MDOT's goal is to support the implementation and use of GIS software and hardware through innovative solutions that solve spatial problems and support more informed decisions about Michigan's transportation infrastructure.
The technical training (TT) course schedule lists the various technical training courses offered through the Office of Organizational Development during the construction off-season months for the local agencies and consultants.
The Internship Program offers undergraduate and graduate students interested in civil engineering and construction management careers, valuable experience by working with professional field staff.
TRAC engages high school and middle school students in solving real-world problems, such as designing bridges or analyzing the environmental effects of building a highway.
The MDOT Transportation Career Pathways Program is committed to helping you build a fulfilling and rewarding career in the transportation industry, even if you're not entirely sure where to start.
MDOT's Engineer Development Program (EDP) is a rotational program that provides new engineers experience in multiple work areas while being assigned a senior-level mentor.
The HBCU TDRP is a unique partnership between MDOT and Michigan colleges and universities to offer on-the-job training to undergraduate students pursuing degrees in engineering or transportation-related careers.
The Veteran Internship Program assists honorably discharged veterans of the United States Armed Forces as they transition into the civilian workforce.
Engineering Week videos and lesson plans are all-inclusive resources to show early elementary to high school students the career of civil engineering at MDOT.
At MDOT, we are here to help. If you can't find what you are looking for in our popular topics, frequently asked questions or website search, give us a call at 517-241-2400 or fill out our contact form.
MDOT's seven region offices each handle transportation-related construction, maintenance and programs within the region's geographic boundaries.
Governmental Affairs represents MDOT's interests as new or amendatory legislation is developed or moving through the legislative process.
Commissions and councils provide a public forum for policy development and implementation.
Policies help the department implement its mission of serving and connecting people, communities, and the economy through transportation.
Allows MDOT's regions and engineers to expand their knowledge on how Michigan freeways are operating over time and how they compare to each other.
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The Bridge Advisory (BA) is intended to convey information to MDOT, local agencies, and contractors working for these agencies. The intent of the advisories is to provide guidance and share information on bridge safety, bridge inspection, bridge management, and bridge load rating issues.
BA 2024-01 - Materials Stored Under Highway Bridges
BA 2023-01 Uncoated Weathering Steel Bridges
BA 2023-02 Updated Guidance for the use of Judgment Ratings
BA 2019-01 Timeframe for Posting
BA 2019-02 MiBRIDGE User Requirement Load Rating
BA 2019-03 Storing Bridge Plans and Load Rating Documentation in MiBRIDGE
BA 2019-04 Modifications to Team Leader Qualifications
BA-2018-01 REVISED Load Posting Guidance
BA-2018-02 Required Documentation and Procedure for Electronic Waterway Data
BA-2018-03 Dapped Concrete Beam Ends
BA-2016-01 Load Rating updates to MiBRIDGE
BA-2016-02 Corrugated Metal Pipe Analysis Spreadsheets
BA-2016-03 Load Rating Method Update
BA-2014-01 Railroad Structures, Bridge Safety Inspection Guidance
BA-2014-02 Michigan Structure Inspection Manual (MiSIM)
BA-2014-03 MiBRIDGE Inspection Report Submission & Unassigned Inspections
BA-2013-01 Guidelines for Bridge Inspection Frequencies
BA 2012-01 - Modifications and Improvements to Load Rating Data and MBIS/MBRS
BA 2012-02 - Guidance for the use of "Field Evaluation and Documented Engineering Judgment" Ratings
BA 2012-03 - Corrugated Metal Pipe Analysis Spreadsheets
BA 2011-01 - MBIS (Michigan Bridge Inspection System) Field Application Shutdown
BA 2011-02 - Local Agency Load Rating Prioritization and Coding
BA 2011-03 - Credentials for all Qualified Team Leaders
BA 2010-01 - Tidal Waterways - Guidance for Coding Federal Bridge Inventory Item 113
BA 2010-02 - MBIS, Framework Update, New Security/Login
BA 2010-03 - Load Rating Compliance with NBIS
BA 2010-04 - Check Box - Hydraulic Part of the Scour Critical Bridge Action Plan Form is Complete
BA 2010-05 - Scour Critical Bridge Action Plan Form - Blank Form
BA 2010-06 - Licensing and use of AASHTOWare Virtis Software
BA 2009-01 - Load Rating Gusset Plates on Non-Load-Path-Redundant Steel Truss Bridges
BA 2009-02 - 2009 Interim Update for MDOT Bridge Analysis Guide
BA 2009-03 - Check Box on Scour Critical Bridge Action Plan Form
BA 2009-04 - Coding Federal Bridge Inventory Item 113
BA 2009-04 - Coding Federal Bridge Inventory Item 113 (Revised)
BA 2009-05 - Coding of NBI Item 41, Structure Open, Posted, or Closed
BA 2008-01 - MBIS Enhancements: Special Inspections and New Security Provisions
BA 2008-02 - Fracture Critical Details (SI&A Item 92A)
BA 2008-03 - NBI Condition Ratings When a Localized Condition Affects the Structural Integrity of the Component
BA 2008-04 - NBIS Scour Evaluations and Plans of Action for Scour Critical Bridges
BA 2008-05 - Plan of Action Report for Scour Critical Bridges in the Michigan Bridge Inspection System (MBIS)
BA 2008-06 - Evaluating Culverts for Scour
BA 2007-01 - Bridge Analysis Guide
BA 2007-02 - Security Awareness
BA 2007-03 - Deck Bottom Surface Rating
BA 2007-04 - Immediate Inspection of Deck Truss Bridges Containing Fracture Critical Members (FCM)
BA 2007-05 - Bridge Inspection Contract Template & Mapping Functionality
