Total Bridges
1,188
Public highway bridges in Michigan
State profile · Above median Poor share
Michigan bridge safety
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Michigan, based on the FHWA National Bridge Inventory.
- 1,188
- Public bridges
- 28.4%
- Good condition
- 8.9%
- Poor condition
Data updated May 2026
Good Condition
28.4%
337 bridges rated 7-9
-21.6pp vs 50% benchmark
Poor Condition
8.9%
106 bridges whose lowest applicable component is rated 0-4
1.9pp vs national avg 7.0%
Michigan vs national bridge condition
Michigan - Good condition share 28.4%
National avg
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Michigan - Poor-condition share 29.7%
National avg
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Condition Distribution
Counties (83)
Alcona 8 Alger 9 Allegan 25 Alpena 3 Antrim 0 Arenac 2 Baraga 9 Barry 10 Bay 10 Benzie 3 Berrien 22 Branch 9 Calhoun 16 Cass 3 Charlevoix 3 Cheboygan 7 Chippewa 12 Clare 13 Clinton 9 Crawford 5 Delta 5 Dickinson 0 Eaton 8 Emmet 4 Genesee 15 Gladwin 6 Gogebic 11 Grand Traverse 5 Gratiot 10 Hillsdale 3 Houghton 9 Huron 4 Ingham 5 Ionia 3 Iosco 0 Iron 8 Isabella 12 Jackson 3 Kalamazoo 12 Kalkaska 0 Kent 37 Keweenaw 0 Lake 0 Lapeer 13 Leelanau 2 Lenawee 3 Livingston 6 Luce 2 Mackinac 7 Macomb 21 Manistee 2 Marquette 8 Mason 4 Mecosta 2 Menominee 2 Midland 10 Missaukee 2 Monroe 9 Montcalm 7 Montmorency 3 Muskegon 5 Newaygo 7 Oakland 49 Oceana 3 Ogemaw 0 Ontonagon 5 Osceola 3 Oscoda 1 Otsego 2 Ottawa 7 Presque Isle 2 Roscommon 5 Saginaw 4 Sanilac 1 Schoolcraft 16 Shiawassee 2 St. Clair 14 St. Joseph 8 Tuscola 29 Van Buren 17 Washtenaw 93 Wayne 460 Wexford 14
Michigan vs nearby ranks
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Michigan on the same metric.
MA
Massachusetts
7.96% top marginal rate
MO
Missouri
8.53% top marginal rate
MI
Michigan
8.92% top marginal rate
AK
Alaska
10.12% top marginal rate
PA
Pennsylvania
10.50% top marginal rate
Bridges Needing Most Attention in Michigan
Six lowest-condition bridges in Michigan, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
STEVENSON ROAD
PoorOver: S BR PINE RIVER
0.5 MI W OF NINE MILE RD, Bay, MI
Built 1970 Load: 0.3 t ADT: 150
NO 19 ROAD
PoorOver: MANISTEE RIVER
SECTION 28 T24N R11W, Wexford, MI
Built 1906 Load: 2.9 t ADT: 106
PARKE LANE ROAD
PoorOver: THOROFARE CH(GROSSE ILE)
GROSSE ILETWP S/BRIDGE ST, Wayne, MI
Built 1930 Load: 3.2 t ADT: 1,365
STREICHER ROAD
PoorOver: SILVER CREEK
BROWNSTOWN S/HURON RIV DR, Wayne, MI
Built 1936 Load: 7.8 t ADT: 253
REECK ROAD
PoorOver: SEXTON-KILFOIL DRAIN
IN ALLEN PARK, Wayne, MI
Built 1960 Load: 7.8 t ADT: 5,600
LOG ROAD
PoorOver: SOUTH BR SWAN CREEK
BETHEL TWP SEC 8, Branch, MI
Built 1982 Load: 8.1 t ADT: 110
All Bridges in Michigan
HADLEY ROAD
FairOver: ST JOSEPH RIVER
1.1 MI N OF LITCHFIELD, Hillsdale, MI
Built 1965 Load: 43.0 t ADT: 418
BATES STREET
FairOver: PARKING LOT
250 FT S OF JEFFERSON AVE, Wayne, MI
Built 2000 Load: 43.1 t ADT: 2,021
LAKE ROAD
FairOver: MONTREAL RIVER
SEC 15 IRONWOOD TWP, Gogebic, MI
Built 1928 Load: 43.6 t ADT: 388
OUTER DRIVE
FairOver: MIDDLE ROUGE RIVER
DBN HTS S/E N HINES DRIVE, Wayne, MI
Built 1928 Load: 43.7 t ADT: 11,000
M-89
FairOver: SCHNABLE RIVER
4.8 MI NW OF OTSEGO, Allegan, MI
Built 1988 Load: 44.7 t ADT: 12,100
US-131 NB
FairOver: GUN RIVER
1.5 MI N OF PLAINWELL, Allegan, MI
Built 1960 Load: 44.7 t ADT: 14,700
FOREST ROAD 360
FairOver: IRON RIVER
6 MI N 4 MI W OF BERGLAND, Ontonagon, MI
Built 1972 Load: 44.7 t ADT: 50
USFS RTE 2173
FairOver: LITTLE INDIAN RIVER BR
0.5 MI S BIG ISLAND LAKE, Schoolcraft, MI
Built 1963 Load: 44.7 t ADT: 75
FDR3500
FairOver: E BR ONTONAGON RIVER
8 MI SW OF SIDNAW, Houghton, MI
Built 2021 Load: 45.0 t ADT: 20
M-6 WB TO US-131 N
FairOver: NORFOLK SOUTHERN RR
BYRON TWP SEC 1, Kent, MI
Built 2000 Load: 45.0 t ADT: 9,700
MONROE ROAD
FairOver: ECORSE CREEK
IN DEARBORN HEIGHTS, Wayne, MI
Built 1977 Load: 45.4 t ADT: 14,820
COATES HIGHWAY
FairOver: ARQUILLA CREEK
740 FT N OF COATES HWY, Manistee, MI
Built 2016 Load: 45.7 t ADT: 249
HERR ROAD
FairOver: PLUM CREEK
0.1 MI N OF DUNBAR ROAD, Monroe, MI
Built 1965 Load: 45.7 t ADT: 3,320
HUBERT ROAD
FairOver: N BR THUNDER BAY RIVER
SEC 2-11 MONTMORENCY TWP, Montmorency, MI
Built 1994 Load: 45.7 t ADT: 150
BAY PARK ROAD
FairOver: AKRON CENTERLINE DRAIN
SEC 3-32 AKRON, Tuscola, MI
Built 1972 Load: 45.7 t ADT: 412
BECK ROAD
FairOver: FELLOWS CREEK
CANTON T N/FORD, Wayne, MI
Built 1993 Load: 45.7 t ADT: 7,200
KYRO ROAD
FairOver: STURGEON RIVER
6 MI W OF BARAGA, Baraga, MI
Built 1988 Load: 46.0 t ADT: 176
CENTER STREET
FairOver: SEBEWAING RIVER
0.25 MI W OF M-25, Huron, MI
Built 2003 Load: 46.0 t ADT: 4,900
BLAIR ROAD
FairOver: BAD RIVER DRAIN
SEC 13-14 NORTH STAR TWP, Gratiot, MI
Built 1978 Load: 46.9 t ADT: 114
SENTRY DRIVE
FairOver: CANADIAN NATIONAL RAILRO
0.3 MILES EAST OF GATE AT, Calhoun, MI
Built 2002 Load: 47.2 t ADT: 150
M-14 EB
FairOver: CSX RR
1.5 MI W OF PLYMOUTH, Wayne, MI
Built 1976 Load: 47.3 t ADT: 36,640
US-24
FairOver: CONRAIL
4.5 MI N OF FLAT ROCK, Wayne, MI
Built 1935 Load: 48.6 t ADT: 23,232
US-24-I-75 CONN SB
FairOver: CONRAIL
IN TAYLOR, Wayne, MI
Built 1963 Load: 48.6 t ADT: 9,440
36TH STREET
FairOver: RAVINE
0.1 MILE E OF KRAFT AVE, Kent, MI
Built 2004 Load: 50.3 t ADT: 21,000
FISHER ROAD
FairOver: HOWELL-OSCEOLA DRAIN
SEC 12 HOWELL TWP, Livingston, MI
Built 1921 Load: 50.5 t ADT: 420
CR 687
FairOver: S BR BLACK RIVER
0.6 MI NORTH OF CR 380, Van Buren, MI
Built 1965 Load: 50.9 t ADT: 721
HORSE MILL ROAD
FairOver: THOROFARE CANAL
GROSSE ILE E/MERIDIAN, Wayne, MI
Built 1937 Load: 51.2 t ADT: 1,338
NORTH TERRITORIAL
FairOver: HURON RIVER
DEXTER TWP SECTION 13, Washtenaw, MI
Built 1995 Load: 51.4 t ADT: 9,058
US-12
FairOver: SALINE RIVER
IN SALINE, Washtenaw, MI
Built 1967 Load: 51.5 t ADT: 20,885
WALNUT AVE
FairOver: LS BR PERE MARQUETTE RIV
0.25 MI N OF 14 MILE RD, Newaygo, MI
Built 1980 Load: 51.8 t ADT: 150
M-8 E-S RAMP
FairOver: GTW RR
IN DETROIT, Wayne, MI
Built 1971 Load: 51.8 t ADT: 22,520
SEVEN MILE ROAD
FairOver: MIDDLE ROUGE RIVER
NORTHVILLE W/NORTHVILL RD, Wayne, MI
Built 1954 Load: 51.8 t ADT: 7,853
HARRISON ST
FairOver: S BR ECORSE RIVER
IN LINCOLN PARK, Wayne, MI
Built 2011 Load: 51.8 t ADT: 1,100
US-131 BR
FairOver: CLAM RIVER
IN CADILLAC, Wexford, MI
Built 1935 Load: 51.8 t ADT: 23,406
M-85 SB
FairOver: FRANK & POET DRAIN
IN TRENTON, Wayne, MI
Built 1958 Load: 52.2 t ADT: 15,575
M-85 NB
FairOver: FRANK & POET DRAIN
IN TRENTON, Wayne, MI
Built 1958 Load: 52.8 t ADT: 15,575
M-115
FairOver: MANISTEE RIVER
1.0 MI W OF MESICK, Wexford, MI
Built 1949 Load: 53.1 t ADT: 6,975
MARQUETTE WOODS RD
FairOver: HICKORY CREEK
1.5 MI NE OF STEVENSVILLE, Berrien, MI
Built 1966 Load: 54.1 t ADT: 4,582
M-13
FairOver: S BR PINE RIVER
3.0 MI S OF STANDISH, Arenac, MI
Built 1935 Load: 54.4 t ADT: 7,706
9 MILE ROAD
FairOver: N BR CARROLL CREEK
JEROME TWP SEC 33/34, Midland, MI
Built 2017 Load: 54.4 t ADT: 500
MARIAN DRIVE
FairOver: FRANK AND POET DRAIN
IN TRENTON, Wayne, MI
Built 1959 Load: 55.1 t ADT: 3,300
M-19
FairOver: COWHY DRAIN
N END OF M-19/I-69 INTRCH, St. Clair, MI
Built 1981 Load: 56.1 t ADT: 6,607
FULLER ROAD
FairOver: NORFOLK SOUTHERN RR
0.75 MI E OF US-23 BR, Washtenaw, MI
Built 1982 Load: 56.1 t ADT: 18,600
BRADLEYVILLE ROAD
FairOver: NORTHWEST DRAIN
SEC 2-3 DENMARK TWP, Tuscola, MI
Built 1972 Load: 57.2 t ADT: 2,000
JERUSALEM RD
FairOver: MILL CREEK
LIMA TWP SEC 24 & 25, Washtenaw, MI
Built 1933 Load: 57.3 t ADT: 89
DRAHNER ROAD
FairOver: LONG LAKE OUTLET
SECT 28/33 OXFORD TWP, Oakland, MI
Built 1960 Load: 57.7 t ADT: 8,305
COOKLIN ROAD
FairOver: BUTTERNUT CREEK DRAIN
SEC 34 ELLINGTON TWP, Tuscola, MI
Built 1978 Load: 57.7 t ADT: 60
OAKVILLE-WALTZ RD
FairOver: SWAN CREEK
HURON/MONROE CO W/I-275, Wayne, MI
Built 1927 Load: 57.7 t ADT: 8,284
FULLER ROAD (WB)
FairOver: HURON RIVER
0.5 MI EAST OF WALL ST, Washtenaw, MI
Built 1994 Load: 58.0 t ADT: 11,250
CO RD 510(RELOC)
FairOver: DEAD RIVER
2 MILES N OF US-41, Marquette, MI
Built 2010 Load: 58.3 t ADT: 1,912
Showing 651-700 of 1,188 bridges
Related
Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.