M-146 (Michigan highway)

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M-146 marker

M-146
Route information
Length: 5.13 mi[1] (8.26 km)
Existed: 1933 – 1966
Major junctions
South end: US 25 in Port Huron
North end: Blue Water Bridge in Port Huron
Location
Counties: St. Clair
Highway system
M‑144 M‑147

M-146 was a state trunkline highway in the US 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]

Route description[edit]

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]

History[edit]

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]

Major intersections[edit]

The entire highway was in Port Huron, St. Clair County.

Mile[1] km Destinations Notes
0.00 0.00 US 25 – Detroit, Port Austin Present day M-25
2.53 4.07 M‑21 (Lapeer Road) Southern end of M-21 concurrency
2.78 4.47 M‑21 Northern end of M-21 concurrency
5.13 8.26 Blue Water Bridge
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also[edit]

References[edit]

External links[edit]

Route map: Google / Bing

  • M-146 at Michigan Highways