M-146 (Michigan highway)

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M-146
Former state trunkline

Length:

5.13 mi^[1] (8.26 km)

Existed:

1933 – 1966

South end:

US 25 in Port Huron

North end:

Blue Water Bridge in Port Huron

Counties:

St. Clair

Michigan highways
< M-144		M-147 >

M-146 was a state highway route in the U.S. state of Michigan that served as a by-pass for traffic going around Port Huron, and a short cut for traffic between US 25 and M-21.^[2]

1 Route description
2 History
3 Major intersections
4 References

[edit] Route description

At its greatest extent, M-146 began at an intersection with US 25 on the south side of Port Huron. It ran north along the west side of the city, on 24th Street, through M-21 and north eastward to the base of the Blue Water Bridge which led into Ontario, Canada. The portion north of M-21 (Lapeer Road) was built to freeway standards.^[3]

[edit] History

When the route debuted in 1933 it served as a connector between US 25 and M-21 along the west side of Port Huron. In 1954 a new approach was built from M-21 to the foot of the Blue Water Bridge. M-146 was designated along this route. In 1958, this portion was converted to freeway specifications and in 1964, with the completion of the I-94/US 25 freeway, M-146 was removed from that portion of the route. However, the M-146 designation remained along the stretch of freeway which now serves as the exit 274 interchange on I-94, but was removed from 24th street through town. In 1966, with the completion of a new freeway alignment for M-21 between Wadhams and downtown Port Huron, the M-146 designation is removed from state trunkline system and hasn't been used since.^[4]

[edit] Major intersections

County	Location	Mile^[1]	Roads	Notes
St. Clair	Port Huron	0.00	US 25	Southern terminus; Present day M-25
		2.53	M-21 Lapeer Road	Southern terminus of overlap
		2.78	M-21	Northern terminus of overlap
		5.13	Blue Water Bridge	Eastern terminus