M-84 (Michigan highway)

M-84 is a north–south state trunkline highway in the Lower Peninsula of the US state of Michigan. The highway starts on the west side of Saginaw at an intersection with M-58 and runs north through residential and commercial areas. There are two colleges or universities near the trunkline as it connects Saginaw with Bay City, providing an alternative to the freeway that carries Interstate 75/US Highway 23 (I-75/US 23). The northern terminus is at a pair of intersections with M-25 on the east side of the Saginaw River in Bay City.

M-84
M-84 highlighted in red
Route information
Maintained by MDOT
Length14.710 mi[1] (23.673 km)
Existed1960[2][3]–present
Major junctions
South end M-58 in Saginaw
  I-75 / US 23 near Bay City
North end M-25 in Bay City
Location
CountiesSaginaw, Bay
Highway system
← M-83→ M-85

There have been two other highways to bear the M-84 moniker. The first was one in the Upper Peninsula and the second was in The Thumb area. The current highway was originally part of M-47 until that road was relocated onto what was formerly US 10 in the Tri-Cities area. Since the 1960s reuse of the number, M-84 has been extended in the 1970s to replace part of Business Loop I-75 (BL I-75, now Business Spur I-75, BS I-75) in Bay City. Other projects have reconstructed and widened the roadway through the Bay City area in the early 21st century.

Route description

M-84 begins at M-58 in a residential area on the west side of Saginaw heading due north on Bay Street. At this point, it is five lanes, with two lanes in each direction and a center turn lane. The highway enters Saginaw Township as Bay Road and serves as a major artery in the area, passing the Fashion Square Mall and several other shopping centers and major retail stores near Tittabawassee Road. The main entrance to Saginaw Valley State University is located on M-84 at Pierce Road just south of the Saginaw–Bay county line.[4][5]

North of the line, the highway follows West Side Saginaw Road through fields in a less urbanized area. East of University Center and the campus of Delta College, M-84 crosses over I-75/US 23 at exit 160 and proceeds through several curves into Bay City. At the intersection with Euclid Avenue on the city line, M-13 merges in from the north and the two highways run concurrently along Salzburg Avenue. Since this segment of highway is both northbound M-84 and southbound M-13 along eastbound Salzburg Avenue, the two trunklines form a wrong-way concurrency.[4][5]

M-13/M-84 crosses the west channel of the Saginaw River near the Ted Putz Nature Area to Middle Ground island. The highway continues over the east channel on the Lafayette Avenue Bridge, a drawbridge, to Lafayette Avenue on the eastern bank of the river. At the intersection with Broadway Street, M-13 turns southward, and M-84 continues eastward two more blocks. Turning north on Garfield Street, the highway runs parallel to the river through a residential area. North of the 14th Street intersection, Garfield Street curves northeasterly into Washington Avenue, passing to the east of an industrial complex on the river. At the intersection with McKinley Street, a one-way street, M-84 meets the eastbound direction of M-25 and BS I-75. One block north, M-84 terminates at the intersection with 7th Street, which carries westbound M-25 and BS I-75; both intersections also mark BS I-75's terminus immediately east of the Veterans Memorial Bridge.[4][5]

The Michigan Department of Transportation (MDOT) maintains M-84 like other state highways in Michigan. As a part of these maintenance responsibilities, the department tracks the volume of traffic that uses the roadways under its jurisdiction. These volumes are expressed using a metric called annual average daily traffic, which is a statistical calculation of the average daily number of vehicles on a segment of roadway. MDOT's surveys in 2010 showed that the highest traffic level along M-84 was 26,408 vehicles daily in Saginaw; the lowest count was 8,405 vehicles per day on Washington Street in Bay City.[6] Two sections of M-84 have been listed on the National Highway System; the section from the southern terminus north to Tittabawassee Road in the Saginaw area,[7] and from the I-75/US 23 interchange north to M-25 in the Bay City area.[8] The system is a network of roads important to the country's economy, defense, and mobility.[9]

History

The first M-84 in Michigan was in the Upper Peninsula starting in 1919; the highway ran from Garnet to McLeods Corner, southeast of Newberry, following the current Borgstrom Road in Mackinac County and County Road 393 in Luce County.[10] The highway was replaced by an extension of M-48 in 1926. The M-84 designation was then immediately reused for a section of the former M-31 in The Thumb; it ran from M-81 near Reese running through Fairgrove and Akron to M-29 at Unionville.[11][12] This iteration was replaced by M-83 in 1930.[13][14]

The I-75/US 10/US 23 freeway was completed between Saginaw and Bay City in late 1960 or early 1961; M-47 was relocated to the former US 10 between Saginaw and Midland, and M-84 was redesignated along the former M-47 between M-81 at Saginaw and the freeway in Bay City. A new BL I-75 was created at the same time along the former M-47 in Bay City.[2][3] This business loop would be split in half in 1971 resulting in a new business spur; M-84 was extended over the southern section between M-25 and I-75/US 10/US 23.[15][16]

A reconstruction project in 2004–05 resulted in the roadway being widened to four lanes between Pierce Road in Kochville Township of Saginaw County and Delta Road in Frankenlust Township in Bay County. The 2009 reconstruction resulted in new bridges over I-75 and widening of the road from Delta Road to 2 Mile Road. [17] Additional construction scheduled for 2011 resulted in the widening of the road from 2 Mile to Euclid.[18]

Major intersections
CountyLocationmi[1]kmDestinationsNotes
SaginawSaginaw0.0000.000 M-58
Bay Street		Bay Street continues from beyond southern terminus; M-58 follows a one-way pairing on State Street and Davenport Avenue
BayFrankenlust Township9.547–
9.636		15.364–
15.508		 I-75 / US 23 – Mackinac Bridge, SaginawExit 160 on I-75/US 23
Bay City–Monitor Township city line11.96319.253 M-13 north – StandishWestern end of M-13 concurrency
Bay City13.08121.052 M-13 south – SaginawEastern end of M-13 concurrency
14.641–
14.710		23.562–
23.673		 BS I-75 west / M-25 / LHCT (McKinley Street, 7th Street)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also
  •  Michigan Highways portal

References
  1. Michigan Department of Transportation & Michigan Center for Shared Solutions and Technology Partnerships (2009). MDOT Physical Reference Finder Application (Map). Michigan Department of Transportation. Retrieved January 15, 2012.
  2. Michigan State Highway Department (1960). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ K12–L12, M12. OCLC 12701120, 81552576. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1960)
  3. Michigan State Highway Department (1961). Official Highway Map (Map). [c. 1:918,720]. Lansing: Michigan State Highway Department. §§ K12–L12, M12. OCLC 12701120, 51857665. Retrieved October 17, 2019 – via Michigan History Center. (Includes all changes through July 1, 1961)
  4. Michigan Department of Transportation (2011). State Transportation Map (Map). 1 in:15 mi / 1 cm:9 km (insets 1 in:3.5 mi / 1 cm:2 km). Lansing: Michigan Department of Transportation. § J12 and Bay City, Saginaw insets.
  5. Google (January 15, 2012). "Overview Map of M-84" (Map). Google Maps. Google. Retrieved January 15, 2012.
  6. Bureau of Transportation Planning (2008). "Traffic Monitoring Information System". Michigan Department of Transportation. Retrieved January 15, 2012.
  7. Michigan Department of Transportation (2005). National Highway System: Saginaw Urbanized Area (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Archived from the original (PDF) on July 31, 2009. Retrieved January 1, 2011.
  8. Michigan Department of Transportation (2005). National Highway System: Bay City Urbanized Area (PDF) (Map). Scale not given. Lansing: Michigan Department of Transportation. Retrieved January 1, 2011.
  9. Natzke, Stefan; Neathery, Mike & Adderly, Kevin (June 20, 2012). "What is the National Highway System?". National Highway System. Federal Highway Administration. Retrieved July 1, 2012.
  10. Michigan State Highway Department (July 1, 1919). State of Michigan (Map). Scale not given. Lansing: Michigan State Highway Department. Upper Peninsula sheet. OCLC 15607244. Retrieved December 18, 2016 – via Michigan State University Libraries.
  11. Michigan State Highway Department (November 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.
  12. Michigan State Highway Department (December 1, 1926). Official Highway Condition Map (Map). [c. 1:823,680]. Lansing: Michigan State Highway Department.
  13. Michigan State Highway Department & H.M. Gousha (January 1, 1930). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  14. Michigan State Highway Department & H.M. Gousha (July 1, 1930). Official Highway Service Map (Map). [c. 1:810,000]. Lansing: Michigan State Highway Department. OCLC 12701195, 79754957.
  15. Michigan Department of State Highways (1971). Michigan, Great Lake State: Official Highway Map (Map). c. 1:190,080. Lansing: Michigan Department of State Highways. Bay City inset. OCLC 12701120, 77960415.
  16. Michigan Department of State Highways (1972). Michigan, Great Lake State: Official Highway Map (Map). c. 1:190,080. Lansing: Michigan Department of State Highways. Bay City inset. OCLC 12701120.
  17. Staff (November 22, 2010). "M-84, I-75 Improvements Wrap up on Schedule". Saginaw, MI: WEYI-TV. Retrieved January 15, 2012.
  18. Burger, MacKenzie (December 2, 2011). "MDOT Plans Fewer Bay County Projects for Next Year". The Bay City Times. Retrieved January 15, 2011 – via MLive.

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  • M-84 at Michigan Highways

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