Michigan 2025-2026 Regular Session

Michigan Senate Bill SB0578

Introduced
9/18/25  
Refer
9/18/25  
Report Pass
9/25/25  
Engrossed
9/25/25  
Refer
9/26/25  
Enrolled
10/3/25  
Chaptered
10/8/25  

Caption

Highways: bridges; movable bridge fund; modify and create neighborhood roads fund. Amends sec. 11g of 1951 PA 51 (MCL 247.661g) & adds sec. 13c. TIE BAR WITH: HB 4180'25, HB 4181'25, HB 4182'25, HB 4183'25, HB 4951'25, HB 4961'25, HB 4968'25

Impact

The passage of SB 0578 establishes significant financial appropriations, including an annual deposition of $100 million specifically for bridge repairs deemed critical by the local bridge advisory board. This approach empowers local authorities in assessing and addressing their infrastructure needs directly. Additionally, it permits local road agencies to initiate repairs without the requirement of matching funds, thus lowering financial barriers and facilitating timely interventions necessary for public safety.

Summary

Senate Bill 0578, introduced by Senator Klinefelt, modifies the existing legal framework governing the classification and funding of public roads, streets, and highways within Michigan. The bill amends PA 51 from 1951 by establishing a new neighborhood roads fund and revising provisions concerning the movable bridge fund. This legislative change aims to enhance the condition and management of critical infrastructure by allocating substantial resources for the repair and maintenance of both movable and neighborhood road structures, ensuring safety and efficiency in transport across Michigan.

Sentiment

The sentiment surrounding SB 0578 appears largely supportive, particularly among local governments and transportation advocates who see the funding as vital to improve infrastructure safety and efficiency. However, some concerns were raised regarding potential mismanagement of funds or delays in project implementation. Overall, the bill is viewed as a proactive step toward addressing Michigan's transportation challenges, with widespread recognition of the need for improved infrastructure to support economic growth and community safety.

Contention

While SB 0578 enjoys broad support, opposition mainly arises from apprehensions about the distribution and management of the newly allocated funds. Critics have pointed out that local agencies must be held accountable to ensure the funds are utilized effectively, thereby avoiding any misappropriation or inefficiencies. Furthermore, the implications of the new neighborhood roads fund could lead to unforeseen regulatory complexities for local governments, potentially straining their resources and operational capabilities.

Companion Bills

MI HB4183

Same As Transportation: motor fuel tax; motor fuel tax; increase and expand applicability. Amends sec. 8 of 2000 PA 403 (MCL 207.1008). TIE BAR WITH: HB 4180'25, HB 4181'25, HB 4182'25, SB 0578'25

MI HB4182

Same As Use tax: exemptions; motor fuel sales; exempt. Amends sec. 21 of 1937 PA 94 (MCL 205.111) & adds sec. 4gg. TIE BAR WITH: HB 4180'25, HB 4181'25, HB 4183'25, SB 0578'25

MI HB4181

Same As Streamline sales and use tax: exemptions; tax on motor fuel; exclude. Amends secs. 3 & 5 of 2004 PA 175 (MCL 205.173 & 205.175). TIE BAR WITH: HB 4180'25, HB 4182'25, HB 4183'25, SB 0578'25

MI HB4180

Same As Sales tax: exemptions; motor fuel sales; exempt. Amends secs. 6a & 25 of 1933 PA 167 (MCL 205.56a & 205.75) & adds sec. 4gg. TIE BAR WITH: HB 4181'25, HB 4182'25, HB 4183'25, SB 0578'25

MI HB4968

Same As Insurance: other; reporting requirements; provide for. Amends secs. 7, 11 & 17 of 2018 PA 175 (MCL 550.1757 et seq.). TIE BAR WITH: HB 4183'25, HB 4951'25, HB 4961'25

MI HB4951

Same As Marihuana: taxation; comprehensive road funding act; create. Creates new act. TIE BAR WITH: HB 4183'25, HB 4961'25, HB 4968'25

MI HB4961

Same As Individual income tax: income; treatment of certain provisions under the internal revenue code and revenue distributions; modify. Amends secs. 12, 30, 36, 607, 695 & 805 of 1967 PA 281 (MCL 206.12 et seq.) & repeals sec. 51d of 1967 PA 281 (MCL 206.51d). TIE BAR WITH: HB 4183'25, HB 4951'25, HB 4968'25

Previously Filed As

MI HB5029

Highways: bridges; movable bridge fund; modify. Amends sec. 11g of 1951 PA 51 (MCL 247.661g).

MI HB5175

Highways: construction and repair; 10-year warranty contract on state road projects; require. Amends 1951 PA 51 (MCL 247.651 - 247.675) by adding sec. 13c. TIE BAR WITH: HB 5176'25

MI HB5176

Highways: construction and repair; 10-year warranty contract on state road projects; require. Amends secs. 11, 12 & 13 of 1951 PA 51 (MCL 247.661 et seq.). TIE BAR WITH: HB 5175'25

MI HB4185

Sales tax: distribution; distribution of revenue; modify. Amends sec. 25 of 1933 PA 167 (MCL 205.75). TIE BAR WITH: HB 4183'25, HB 4182'25, HB 4181'25, HB 4180'25, HB 4186'25, HB 4187'25, HB 4184'25

MI HB4182

Use tax: exemptions; motor fuel sales; exempt. Amends sec. 21 of 1937 PA 94 (MCL 205.111) & adds sec. 4gg. TIE BAR WITH: HB 4180'25, HB 4181'25, HB 4183'25, SB 0578'25

MI HB4230

Taxation: other; neighborhood road fund; create and provide for the distribution of the fund. Amends 1951 PA 51 (MCL 247.651 - 247.675) by adding sec. 13c.

MI HB4184

Aeronautics: other; excise tax on aviation fuel; increase, and modify distribution. Amends secs. 34 & 203 of 1945 PA 327 (MCL 259.34 & 259.203). TIE BAR WITH: HB 4183'25, HB 4182'25, HB 4181'25, HB 4180'25, HB 4185'25, HB 4186'25, HB 4187'25

MI HB4951

Marihuana: taxation; comprehensive road funding act; create. Creates new act. TIE BAR WITH: HB 4183'25, HB 4961'25, HB 4968'25

MI SB0150

Transportation: funds; funding formula; modify. Amends sec. 11c of 1951 PA 51 (MCL 247.661c).

MI HB4187

Corporate income tax: revenue distribution; distribution of corporate income tax revenue; modify. Amends secs. 623 & 695 of 1967 PA 281 (MCL 206.623 & 206.695). TIE BAR WITH: HB 4183'25, HB 4182'25, HB 4181'25, HB 4180'25, HB 4185'25, HB 4186'25, HB 4184'25

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