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County-Designated Routes A-2 through C-81

A-2  | A-37 | A-42 | A-45 | B-15 | B-23 | B-31 | B-35 | B-72 | B-86 | B-96 | C-38 | C-42
C-48 | C-56 | C-58 | C-64 | C-65 | C-66 | C-71 | C-73 | C-77 | C-81 SOUTH | C-81 NORTH | Jump to Bottom


 

See the County Highways page for complete details and historical background on Michigan's County-Designated Highway System.

BS I-96
Southern Terminus: M-63 near Hagar Shores (1/2 mile west of jct I-196/US-31 & M-63)
Northern Terminus: Jct US-31 & BL I-196/BUS US-31 (at US-31's Exit 47) on the south side of Holland
Length: 41.77 miles
Map: Route Map of A-2
Notes: A-2 was one of the first two County-Designated Highways in Michigan in 1971, at a time when all such highways in the Lower Peninsula were to have an "A-" suffix and those in the Upper Peninsula were to have a "B-" suffix. While a multi-lettered system was adopted (A-F in the Lower Peninsula, G and H in the U.P), A-2 kept its original designation as it fell into the new "A-" territory.
A-2, which runs along the route of Old US-31, is also known as Blue Star Memorial Hwy for its entire length.
History: 1970 - As one of the first two county-designated routes in the state, A-2 is signed via the former route of US-31 (the Blue Star Hwy) from BL I-196 at North Shore Dr north of South Haven to jct US-31 & BUS US-31 on the south side of Holland.
  1971 - A-2 is extended southerly via the former route of US-31 from jct M-140 & BL I-196 south of South Haven to US-33 in northern Berrien Co.
  1972 (Dec 15) - Phoenix St from Broadway in downtown South Haven easterly to I-196/US-31 at Exit 20 is transferred to state control as part of a rerouting of BL I-196 in the city. Instead of turning northeasterly via Blue Star Hwy on the south side of town, BL I-196 now continues northerly via La Grange St, northwesterly via Phillips St, and northerly along Broadway to Phoenix downtown. BL I-196 now turns easterly via Phoenix St to a new terminus at Exit 20. The former route of BL I-196 via Blue Star Hwy (M-140 to North Shore Dr) and North Shore Dr from Blue Star easterly to I-196/US-31 at Exit 22 remains as an unsigned state trunkline for the time being, but is signed as part of A-2.
  1990s? - While a precise transfer date is not yet known, the former pre-1972 route of BL I-196 via A-2/Blue Star Hwy and North Shore Dr is turned back to local control and remains signed as A-2.
  2004 - In conjunction with a runway extension project at Holland's Tulip City Airport, the route of A-2 past the western end of the airport is realigned and depressed underneath the new runway in a cut-and-cover tunner project. While highway tunnels under airport runways are not unheard of, one for such a secondary route in a small city such as Holland is quite rare!
Counties: Berrien | Van Buren | Allegan
Photographs:
Weblinks: none

A-37
Southern Terminus: M-222 in Allegan, just northeast of downtown
Northern Terminus: I-196/Gerald R Ford Frwy at Exit 62 in Hudsonville
Length: 23.93 miles
Map: Route Map of A-37
Notes: Contrary to many Ottawa County road maps, including the Ottawa Co Road Commission's own official highway map, A-37 does not continue northerly via 24th Ave from Byron Rd into Jamestown, then westerly via Riley St to 32nd Ave before turning northerly to Hudsonville. In reality (and as signed in the field), A-37 turns westerly from 24th Ave via Byron Rd for one mile before heading northerly again via 32nd Ave.
  The route of A-37 in Allegan Co, and to a certain extent in Ottawa Co, is very well-signed. Directional plates (e.g. "NORTH" and "SOUTH") are almost universally used, which is not common in all counties which participate in the Intercounty Highway system.
History: 1977 - The route from Allegan through Burnips to Hudsonville (30th St in Allegan Co and 24th Ave, Byron Rd & 32nd Ave in Ottawa Co) debuts as A-37.
Counties: Allegan | Ottawa
Photographs:
Weblinks: none

A-42
Western Terminus: M-40 just north of Dunningville
Eastern Terminus: Jct US-131 & M-179 near Bradley
Length: 16.42 miles
Map: Route Map of A-42
Notes: On October 1, 1998, the portion of A-42 from US-131 near Bradley easterly to M-43 west of Hastings was transferred from county to state control as a part of the Rationalization process. On April 7-8, 1999, MDOT erected M-179 markers along that portion of the highway, numbered to reflect its proximity to nearby M-79 east of Hastings. In fact, evidence shows MDOT originally planned to designate this route as a westerly extension of M-79 itself, but was reluctant to post a triple-concurrency (M-37/M-43/M-79) through the City of Hastings.
  The route of A-42 is very well-signed. Directional plates (e.g. "EAST" and "WEST") are almost universally used, which is not common in all counties which participate in the Intercounty Highway system.
History: 1982 - The east-west route from A-37 south of Monterey in Allegan Co easterly through Hopkins and Bradley to M-43 west of Hastings in Barry Co (via 128th Ave, 12th St & 129th Ave in Allegan Co and Chief Noonday & Gun Lake Rds in Barry Co) is designated as A-42.
  c.1993-94 - A-42 is extended westerly from its former terminus at A-37 north of Allegan to M-40 northwest of Allegan.
  1998 (Oct 31) - As one of the relatively few jurisdictional transfers as part of the short-lived Rationalization process, all of county-maintained A-42 between US-131 at Bradley and M-43 west of Hastings is transferred to the state and designated as M-179. A-42 remains in tact between M-40 northwest of Allegan and US-131 near Bradley.
County: Allegan
Photographs:
Weblinks: none

A-45
Southern Terminus: BUS US-131 north of Kalamazoo at Douglas St interchange
Northern Terminus: M-11 (at cnr 28th St & Division Ave) in Wyoming
Length: 43.04 miles
Map: Route Map of A-45
Notes: A-45 runs along the former route of US-131 between the Kalamazoo and Grand Rapids metropolitan areas.
While rather well-signed in Allegan Co, A-45 in Kalamazoo and Kent Counties is less well-signed. The Kent County Road Commission has only placed on route marker along the portion of A-45 under its control. In addition, the cities of Wyoming and Kentwood have never signed their portion of Division Ave, while the official state map shows A-45 continuing northerly to M-11/28th St. Future cooperation from municipal governments will, hopefully resolve situations such as these.
History: 1972 - The former route of US-131 from BUS US-131 north of Kalamazoo northerly through Plainwell, Martin, Bradley, Wayland and Cutlerville into the Greater Grand Rapids area to M-11/28th St is designated as A-45. This new route runs via Douglas Ave in Kalamazoo Co; 10th, 11th & 12th Sts in Allegan Co; and S Division Ave in Kent Co.
Counties: Kalamazoo | Allegan | Kent
Photographs:
Weblinks: none

B-15
Southern Terminus: Jct BUS US-31 & B-23 north of Montague (at Fruitvale Rd interchange on US-31)
Northern Terminus: BUS US-31/Monroe Rd three miles southeast of Pentwater
Length: 34.85 miles
Map: Route Map of B-15
Notes: B-15 runs much closer to Lake Michigan than any state trunkline in the Oceana County area, and is often used as a scenic alternative.
It is unclear why B-15 was given such a high route designation—"15"—in that over much of its route, the highway is the closest primary county road to Lake Michigan. In the "B-region," the lowest odd-numbered routes run along the Lake Michigan shore, increasing as you head inland toward US-127. Indeed, B-15 could have easily been designated B-01, B-03 or B-05.
History: 1971 - A new route, running closer to the Lake Michigan shore than US-31, is designated from US-31 north of Montague westerly and northerly into Oceana Co, past Silver Lake and terminating at BUS US-31 near Pentwater. The route runs via Fruitvale, Whitbeck, Meinert & Indian Bay Rds in Muskegon Co; and 56th Ave, Webster Rd, 48th Ave, Clay Rd, 38th Ave, 36th Ave, Stony Lake Rd, Scenic Dr, 16th Ave, Buchanan Rd, 18th Ave, Scenic Dr, Hazel Rd, 34th Ave, Ridge Rd & Long Branch Rd in Oceana Co.
  1975 - The central portion of B-15 is rerouted to an alignment closer to the lakeshore in Oceana Co south of Stony Lake. The route is removed from 48th Ave, Clay Rd, 38th Ave, 36th Ave and Stony Lake Rd and moved onto Webster Rd and Scenic Dr.
Counties: Muskegon | Oceana
Photographs:
Weblinks: none

B-23
Southern Terminus: US-31 (Russell Rd interchange) north of North Muskegon
Northern Terminus: B-86 northeast of Whitehall/Montague
Length: 10.57 miles
Map: Route Map of B-23
Notes: B-23 is a single-county route.
History: 1971 - One in a slew of Muskegon Co-based county-designated routes from the program's first full year, B-23 is designated along Russell Rd from US-31 south of Lakewood Club northerly to Fruitvale Rd, itself newly-designated as B-86 northeast of Whitehall/Montague, northeast of Whitehall.
County: Muskegon
Photographs:
Weblinks: none

B-31
Western Terminus: I-96 at Exit 10 at Nunica
Eastern Terminus: M-120 at Brunswick
Length: 25.56 miles
Map: Route Map of B-31
Notes: B-31 between M-46 and M-120 was formerly a state trukline highway designated M-213, from the mid-1930s until 1960.
In its northernmost portion, B-31 travels along the Muskegon/Newaygo Co line and is, therefore, listed as being in both counties below.
History: 1971 - One in a slew of Muskegon Co-based county-designated routes from the program's first full year, B-31 is designated northerly from I-96 at Nunica via 112th Ave in Ottawa Co and Maple Island Rd in Muskegon Co and, farther to the north, straddling the Muskegon/Newaygo Co line.
Counties: Ottawa | Muskegon | Newaygo
Photographs:
Weblinks: none

B-35
Southern Terminus: I-96 at Exit 16 in (68th Ave interchange) Coopersville
Northern Terminus: M-82 approximately 4-1/2 miles south of Fremont
Length: 31.25 miles
Map: Route Map of B-35
Notes: The route of B-35 is rather well-signed in Ottawa and Muskegon Cos, but rather poorly signed in Newaygo Co. Not only that, while MDOT signs B-35 well from I-96 and M-46, it fails to post any route markers at the northern terminus of B-35 along M-82.
History: 1971 - One of several county-designated routes in the Muskegon/Newaygo Co area designated in the first full year of that program, B-35 begins at I-96 on the western edge of Coopersville and proceeds northerly via 68th Ave, easterly via Cleveland St and northerly again via 56th St in Ottawa Co. In Muskegon Co, B-35 continues northerly via Ravenna Rd (William, Main & Mortimer Sts within Ravenna itself), easterly via Bailey Rd and northerly along Squires Rd. In Newaygo Co, B-35 runs via Alger Ave, 128th St, Luce Ave, 118th St and Warner Ave via Bridgeton, terminating at M-82 three miles south of downtown Fremont.
Counties: Ottawa | Muskegon | Newaygo
Photographs:
Weblinks: none

B-72
Western Terminus: US-31 (Sherman Blvd interchange) in Muskegon Heights
Eastern Terminus: US-131 at Exit 101 (connection w/M-57) four miles south of Cedar Springs
Length: 35.44 miles
Map: Route Map of B-72
Notes: In essence, B-72 picks up where M-57 leaves off, serving as a connection with Sparta and Ravenna, and as an alternate route into Muskegon.
During its trip through Ottawa and Muskegon Counties, the route of B-72 is very well signed and easy for motorists to follow, while somewhat less route signage is present in Kent Co.
History: 1971 - B-72 debuts between Muskegon and the "Cedar-Rock" area in northern Kent Co via Ravenna and Sparta. Beginning at US-31 on the southeast side of Muskegon, B-72 runs easterly via Sherman Blvd, Black Creek Rd and Heights-Ravenna Rd into Ravenna, where the route follows Muskegon, Main & William Sts. Continuing southerly from Ravenna concurrently with B-35 along Ravenna Rd, B-72 then turns easterly again via Ellis Rd (Muskegon Co), Gooding St (Ottawa Co) and 13 Mile Rd (Kent Co) and into Sparta. Within Sparta, the route runs via Division St then continues easterly via 13 Mile Rd, northerly via Edgerton Ave and easterly again via 14 Mile Rd, terminating at the new northern end of the US-131 freeway extending northerly from Grand Rapids.
Counties: Muskegon | Ottawa | Kent
Photographs:
Weblinks: none

B-86
Western Terminus: Jct BUS US-31 & B-15 north of Montague (at Fruitvale Rd interchange on US-31)
Eastern Terminus: Jct M-120 & M-82 five miles west of Fremont
Length: 17.01 miles
Map: Route Map of B-86
Notes: In a sense, B-86 serves as a westerly extension of M-82, as the route picks up where M-82 leaves off and continues westerly to US-31.
In its easternmost portion, B-86 travels along the Muskegon/Oceana Co line and is, therefore, listed as being in both counties below.
History: A detailed route history is currently under development.
Counties: Muskegon | Oceana
Photographs:
Weblinks: none

B-96
Western Terminus: M-37 northeast of Bitely
Eastern Terminus: US-131 at Exit 142 (connection w/BUS US-131) northwest of Big Rapids
Length: 17.70 miles
Map: Route Map of B-96
Notes: With the redesignation of B-88 as a relocation of M-20, B-96 remains Newaygo and Mecosta Counties only east-west County-Desigated Highway. If the Newaygo and Mecosta County Road Commissions get together, a new county designation, such as B-90 or B-92 could very well be assigned to the former M-20 between M-37 and US-131. However, seeing as no extra funding exists for such a project and inter-county cooperation can be hard to come by, don't expect any such designation soon...
  The route of B-96 is rather sparsely signed along its route. Other than signs at either end of the route at M-37 and US-131, only one pair of B-96 reassurance markers exist along 13 Mile Rd at Oak Ave in northern Newaygo Co.
History: A detailed route history is currently under development.
Counties: Newaygo | Mecosta
Photographs:
Weblinks: none

C-38
Western Terminus: Downtown Mancelona at jct US-131 & M-88
Eastern Terminus: Jct Old 27 & F-38 in the Otsego Lake area north of Waters
Length: 18.74 miles
Map: Route Map of C-38
Notes: While county routes C-38 and F-38 are essentially one through highway, they have different letter prefixes for a good reason: Old US-27 is the dividing line between the "C" and "F" designations in Northern Michigan.
C-38 is known as Mancelona Rd for its entire length, named as such in both Antrim and Otsego Counties.
History: A detailed route history is currently under development.
Counties: Antrim | Otsego
Photographs:
Weblinks: none

XXX
Western Terminus: US-131 in downtown Alba
Eastern Terminus: M-32 west of Gaylord
Length: 13.17 miles
Map: Route Map of C-42
Notes: In the late-1980s, C-42 and F-42 route markers were added to M-32 and BL I-75 marker assemblies through the City of Gaylord attempting to signify a connection between C-42 west of Gaylord and F-42 southeast of Gaylord via M-32 and BL I-75. Many of these signs existed into the late-1990s, but have been removed in subsequent re-signing projects.
C-42 is becoming an ever more-popular "shortcut" route between US-131 and I-75 for motorists heading "Up North" from the Grand Rapids and Cadillac areas bound for the Mackinac Bridge and the Upper Peninsula. Traffic volumes on this highway have been increasing over the years.
History: A detailed route history is currently under development.
Counties: Antrim | Otsego
Photographs:
Weblinks: none

C-48
Western Terminus: US-31 at Atwood
Eastern Terminus: I-75 at Exit 290 (Old 27 interchange) in Vanderbilt [uncertain--see the second note in the "Notes" section below]
Length: 39.48 miles
Map: Route Map of C-48
Notes: Depending on how one looks at it, there may be a very short gap in C-48 between M-75 just west of Boyne Falls and US-131 on the north side of town. However, MDOT has erected numerous signs along M-75 and US-131 directing C-48 traffic along those highways through Boyne Falls.
There is some question as to the precise eastern terminus for this highway. While the most trusted maps indicate C-48 turning southerly via Old 27 to end at I-75 at Vanderbilt, acutal signage in the area proves inconclusive (although, that seems to be the case more than not). Even MDOT fails to include C-48 route markers on its Exit 290 signage along I-75.
  A story in the September 18, 2005 edition of the Traverse City Record-Eagle notes local officials from municipalities in southwest Charlevoix and northwest Antrim counties are interested in petitioning MDOT to extend M-32 westerly from East Jordan through the Ellsworth area to US-31 near Atwood, once again restoring the route as a true "cross-peninsular" highway. Some of the officials are considering asking MDOT to assume control of what is now designated C-48, however the route is currently not up to state trunkline standards throughout, so additional upgrades would be necessary before it could receive the M-32 designation. The article also noted: "Five local governments in Antrim and Charlevoix counties passed resolutions in favor of M-32's extension, with another three expected to take up the issue soon."
History: A detailed route history is currently under development.
Counties: Antrim | Charlevoix | Otsego
Photographs:
Weblinks: none

C-56
Western Terminus: US-31 just northeast of Charlevoix
Eastern Terminus: Downtown Boyne City at M-75 (cnr of Water & East Sts)
Length: 15.78 miles
Map: Route Map of C-56
Notes: This route follows the northern shore of Lake Charlevoix between Charlevoix and Boyne City.
Contrary to some maps and other publications, it is C-56 which occupies Charlevoix-Boyne City Rd between Charlevoix and Horton Bay. A few sources incorrectly claim the C-71 designation bends west at Hortons Bay instead of ending there.
Oddly enough, MDOT has chosen to concurrently sign C-56 along two blocks of M-75 in downtown Boyne City. C-56 enters the downtown area via Lake St, then turns easterly via State St for two blocks to meet M-75 at the cnr of State & East Sts. Instead of terminating here, MDOT signs both M-75 & C-56 southerly via East St for two additional blocks to Water St, where C-56 terminates and M-75 turns southeasterly toward Boyne Falls.
History: A detailed route history is currently under development.
County: Charlevoix
Photographs:
Weblinks: none

C-58
Western Terminus: C-81/Division Rd (cnr Mitchell Rd & Division Rd) east of Petoskey
Eastern Terminus: I-75 at Exit 301 east of downtown Wolverine
Length: 21.69 miles
Map: Route Map of C-58
Notes: Known at Mitchell Rd (Emmet Co) and Wolverine Rd (Cheboygan Co) for its entire length, except within the Village of Wolverine.
As with other county highways, there has been some question as to the precise western terminus for this highway. Although C-58 should logically continue west on Mitchell Rd/St to end at US-31 in downtown Petoskey, the city has not erected any C-58 markers, nor has MDOT along US-31 at the Mitchell St intersection. West of the C-81 jct east of Petoskey, all C-58 route markers taper off, suggesting C-81 is the de facto western terminus for this route. Once again, poor signage is a hallmark of the County-Designated Highway system, so a lack of signage doesn't necessarily indicate a lack of a designation, but for the purposes of this site, C-81 has been chosen as the western terminus.
History: A detailed route history is currently under development.
Counties: Emmet | Cheboygan
Photographs:
Weblinks: none

C-64
Western Terminus: US-31 (at cnr Mill St & Simpson St) in Pellston
Eastern Terminus: M-27/Straits Hwy just south of Cheboygan
Length: 16.28 miles
Map: Route Map of C-64
Notes:  
History: A detailed route history is currently under development.
Counties: Emmet | Cheboygan
Photographs:
Weblinks: none

C-65
Southern Terminus: M-88 just north of the Village of Central Lake (cnr Ellsworth Rd & Scenic Hwy)
Northern Terminus: US-31 (cnr Bridge St & Marion Center Rd) on the south side of Charlevoix, immediately west of the US-31 & M-66 jct.
Length: 16.97 miles
Map: Route Map of C-65
Notes: The rather convoluted northern end of C-65 was finally "fixed" in c.2003 when Marion Center Rd was extended northerly from Stover Rd to its own intersection with US-31 just west of the M-66 jct.
History: A detailed route history is currently under development.
Counties: Antrim | Charlevoix
Photographs:
Weblinks: none

C-66
Western Terminus: Jct M-119 & C-66/C-77 in Cross Village (cnr State Rd & Lake Shore Dr)
Eastern Terminus: Jct US-23 & M-27 (cnr State St & Main St) in downtown Cheboygan
Length: 28.10 miles
Map: Route Map of C-66
Notes: C-66 provides a handy east-west route across northern Emmet and Cheboygan Counties, connecting with I-75 as well.
History: A detailed route history is currently under development.
Counties: Emmet | Cheboygan
Photographs:
Weblinks: none

C-71
Southern Terminus: C-56 at cnr Horton Bay Rd & Charlevoix-Boyne City Rd in Horton Bay
Northern Terminus: US-31 at cnr Horton Bay Rd in Bay Shore
Length: 5.03 miles
Map: Route Map of C-71
Notes: Contrary to some maps and other publications, it is C-56 which occupies Charlevoix-Boyne City Rd between Charlevoix and Horton Bay. A few sources incorrectly claim the C-71 designation bends west at Hortons Bay instead of terminating there.
C-71 is the only north-south route-numbered highway of any type between US-31 and US-131 north of C-56.
History: A detailed route history is currently under development.
Counties: Charlevoix | Emmet
Photographs:
Weblinks: none

C-73
Southern Terminus: M-32 (at cnr Deer Lake Rd) 4.6 miles west of US-131
Northern Terminus: M-75 at cnr East Jordan Rd & Division St in southeastern Boyne City
Length: 8.12 miles
Map: Route Map of C-73
Notes: Bucking the trend of poor signage when it comes to County-Designated Highways, there is actually a route marker assembly at the northern end of this route denoting "C-73 ENDS." A rarity for this type of highway, indeed.
History: A detailed route history is currently under development.
Counties: Antrim | Charlevoix
Photographs:
Weblinks: none

C-77
Southern Terminus: M-119 at cnr Park St & E Main st on the east side of Harbor Springs
Northern Terminus: Cross Village at jct M-119 & C-66/C-77 (cnr State Rd & Lake Shore Dr)
Length: 16.69 miles
Map: Route Map of C-77
Notes: Outside the City of Harbor Springs, C-77 is known as State Rd for its entire route.
C-77 is the "direct" route between Harbor Springs and Cross Village, while scenic M-119 ("The Tunnel of Trees") is the less-direct, tourist-laden shoreline route. Locals prefer C-77.
History: A detailed route history is currently under development.
Counties: Emmet
Photographs:
Weblinks: none

SOUTHC-81
Southern Terminus: Jct US-131 & M-75 just east of downtown Walloon Lake
Northern Terminus: US-31 (cnr Woodland Ave & Division Rd) on the eastern edge of Bay View in the Petoskey area
Length: 10.03 miles
Map: Route Map of C-81 (South Segment)
Notes: The southern of the two C-81 routes. Since no signage exists along US-31 and M-119 tying the two C-81 routes together, they are given two separate listings here.
History: A detailed route history is currently under development.
Counties: Charlevoix | Emmet
Photographs:
Weblinks: none

NORTHC-81
Southern Terminus: M-119 two miles east of Harbor Springs (cnr Pleasantview Rd & Harbor-Petoskey Rd)
Northern Terminus: Cnr Nicolet St & Central Ave in downtown Mackinaw City
Length: 32.65 miles
Map: Route Map of C-81 (North Segment)
Notes: The northern of the two C-81 routes. Since no signage exists along US-31 and M-119 tying the two C-81 routes together, they are given two separate listings here.
History: A detailed route history is currently under development.
County: Emmet
Photographs:
Weblinks: none

 

 A-2  | A-37 | A-42 | A-45 | B-15 | B-23 | B-31 | B-35 | B-72 | B-86 | B-96 | C-38 | C-42
C-48 | C-56 | C-58 | C-64 | C-65 | C-66 | C-71 | C-73 | C-77 | C-81 SOUTH | C-81 NORTH | Up to Top


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