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.
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.
The Office of Policy and Government Relations 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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March 10, 2025
SAGINAW, Mich. -The Michigan Department of Transportation (MDOT) is investing $2.9 million for preventive maintenance work on the Zilwaukee Bridge in Saginaw County. Southbound I-75 and the Zilwaukee Bridge will be closed from Kochville to Wadsworth Road for the first stage of this work. Other improvements include expansion joint repair, deck patching and resealing.
County:
Saginaw
Highway:
I-75
Closest communities:
Saginaw
Zilwaukee
Start date:
Monday, April 14, 2025
Estimated end date:
Friday, June 27, 2025
Overall project end date:
November 2025
Jobs numbers:
Based on economic modeling, this investment is expected to directly and indirectly support 28 jobs.
Traffic restrictions:
Southbound I-75 will be closed and detoured to southbound I-675 from the I-675 junction north of Kochville Road to the southbound I-75/I-675 interchange south of Wadsworth Road.
The southbound I-75 ramp to Adams Street will be closed, as well as the Adams Street ramp to southbound I-75. Traffic will be detoured via southbound I-675 and Tittabawassee Road (Exit 6) to Adams Street, and vice versa.
The northbound I-675 ramp to southbound I-75 will also be closed. Traffic will be detoured via northbound I-75, M-84 (Exit 160), southbound I-75 and southbound I-675 to southbound I-75.
Stage 1 work on southbound I-75 is anticipated to be completed by June 27. Stage 2 work (northbound lanes) is planned to begin July 14. Detour information for stage 2 will be announced in advance of that work starting.
Safety benefit:
This work will improve and extend the service life of the Zilwaukee Bridge. Closing the southbound lanes during this type of work is necessary to provide the safest work area possible for crews and motorists.
Media Contact:
LANSING, Mich. - Due to worse conditions than expected with the beam supports, the Michigan Department of Transportation (MDOT) is extending the repair time needed for the US-223 bridge between Division Street and Treat Highway in Lenawee County to mid-June.
LANSING, Mich. ¬- The Michigan Department of Transportation (MDOT) and local agencies are enacting spring weight restrictions, an annual move to protect roads.
SAGINAW, Mich. - The Michigan Department of Transportation (MDOT) will implement intermittent lane closures on I-75 in each direction from Maple Road to Riverview Drive in Saginaw County for project preparation work.
LANSING, Mich. - As clocks "spring forward" to daylight saving time at 2 a.m. Sunday, March 9, the Michigan Department of Transportation (MDOT) and Michigan Fitness Foundation (MFF) remind drivers to watch out for pedestrians, runners and bicyclists always, but especially in low light conditions
ST. IGNACE, Mich. - The Mackinac Bridge Authority (MBA) will meet March 14 in Lansing to discuss the 2024-2025 resurfacing and joint replacement project on the bridge, committee reports, and an update on pending legislation.
SAGINAW, Mich. - The temporary full closures and rolling slowdown originally scheduled for Thursday, March 6, for utility work on I-75 at Crane Road in Saginaw County have been postponed due to high winds.
KALAMAZOO, Mich. - The Michigan Department of Transportation (MDOT) and contractor Davis Construction, Inc., will resume work on Monday, March 10, to rebuild the US-131 bridges over KL Avenue and the Amtrak rail in Kalamazoo, Kalamazoo County.
LANSING, Mich. - The Michigan Department of Transportation (MDOT) will begin multiple closures on Monday, March 10, in Eaton County to perform bridge maintenance
MARSHALL, Mich. - The Michigan Department of Transportation (MDOT) is holding an open house for the multi-year Marshall Modernization Project in support of the Marshall Area Jobs, Opportunity and Recreation (MAJOR) Campus.
