Allegan County, MI

25 public highway bridges

Allegan County Bridge Snapshot

Allegan County, Michigan contains 25 public highway bridges in the FHWA National Bridge Inventory. Roughly 24% are rated “Good,” 60% “Fair,” 0% “Poor,” and 0% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in MI are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

25
Total Bridges
24%
Good
0%
Poor
0%
Structurally Deficient

Condition Distribution

Good
24% (6)
Fair
60% (15)
Poor
0% (0)
SD
0% (0)

All Bridges (25)

US-31 BR (58 TH)

Unknown

Over: US-31 NB

IN HOLLAND, Allegan, MI

Built 1964 ADT: 11,088

US-31 SB

Unknown

Over: US-31 BR (58 TH STREET)

IN HOLLAND, Allegan, MI

Built 1964 ADT: 17,386

114 TH AVE

Unknown

Over: I-196 & US-31

7.5 MI N OF VAN BUREN COL, Allegan, MI

Built 1964 ADT: 18,868

146 TH AVE

Unknown

Over: I-196

1.2 MI S OF OTTAWA COL, Allegan, MI

Built 1972 ADT: 18,246

SECOND STREET

Fair

Over: KALAMAZOO RIVER

CITY OF ALLEGAN, Allegan, MI

Built 1886 Load: 3.2 t ADT: 2,582

15TH STREET

Fair

Over: MILLER CREEK

APPROX 1/4MI S OF 128TH A, Allegan, MI

Built 1973 Load: 13.0 t ADT: 70

20TH STREET

Fair

Over: MILLER CREEK

APPROX 0.1 MI S OF 128TH, Allegan, MI

Built 1968 Load: 25.9 t ADT: 1,327

104TH AVE

Fair

Over: M BR BLACK RIVER

CASCO TWP SEC 23-26, Allegan, MI

Built 1983 Load: 32.4 t ADT: 63

M-89

Fair

Over: KALAMAZOO RIVER

IN PLAINWELL, Allegan, MI

Built 2003 Load: 33.4 t ADT: 10,501

HILL STREET

Fair

Over: KALAMAZOO RIVER MILL BR

IN PLAINWELL, Allegan, MI

Built 1975 Load: 33.4 t ADT: 533

M-89

Fair

Over: KALAMAZOO RIVER

1.4 MI W OF OTSEGO, Allegan, MI

Built 1930 Load: 33.7 t ADT: 11,469

US-131 NB

Fair

Over: KALAMAZOO RIVER

0.5 MI N OF PLAINWELL, Allegan, MI

Built 1996 Load: 35.3 t ADT: 27,941

62ND STREET

Fair

Over: SPICEBUSH CREEK

70 FT S OF 104TH AVE, Allegan, MI

Built 1975 Load: 36.6 t ADT: 353

LINCOLN AVE

Fair

Over: N BR BLACK RIVER

IN HOLLAND, Allegan, MI

Built 1986 Load: 37.6 t ADT: 2,482

12TH STREET

Fair

Over: RABBIT RIVER

JUST N OF 136TH AVE, Allegan, MI

Built 1969 Load: 39.5 t ADT: 380

M-89

Fair

Over: SCHNABLE RIVER

4.8 MI NW OF OTSEGO, Allegan, MI

Built 1988 Load: 44.7 t ADT: 12,100

US-131 NB

Fair

Over: GUN RIVER

1.5 MI N OF PLAINWELL, Allegan, MI

Built 1960 Load: 44.7 t ADT: 14,700

32ND STREET

Fair

Over: LITTLE RABBIT RIVER

SALEM TWP SEC 20-21, Allegan, MI

Built 2001 Load: 61.9 t ADT: 716

MAIN STREET

Fair

Over: KALAMAZOO RIVER MILL BR

IN PLAINWELL, Allegan, MI

Built 1975 Load: 89.4 t ADT: 1,133

20TH STREET

Good

Over: SCHNABLE BROOK

0.08 MI S OF 112TH AVENUE, Allegan, MI

Built 2014 Load: 26.2 t ADT: 50

M-40

Good

Over: S BR MACATAWA RIVER

4.0 MI SE OF OTTAWA COL, Allegan, MI

Built 2000 Load: 43.1 t ADT: 11,124

54TH STREET

Good

Over: M BR BLACK RIVER

LEE TWP SEC 21-22, Allegan, MI

Built 2004 Load: 46.3 t ADT: 140

I-196 EB/US-31 NB

Good

Over: KUIPERS DRAIN

AT JCT OF US-31NB&I-196EB, Allegan, MI

Built 2012 Load: 50.9 t ADT: 6,700

M-89

Good

Over: KALAMAZOO RIVER OVERFLOW

6.0 MI E OF FENNVILLE, Allegan, MI

Built 1952 Load: 51.8 t ADT: 4,275

2ND STREET

Good

Over: GUN RIVER

APPROX 1/4 MI N OF 112TH, Allegan, MI

Built 2012 Load: 70.0 t ADT: 580

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial