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
M-15
GoodOver: CLINTON RIVER
INDEPENDENCE TWP SEC 20, Oakland, MI
Built 2005 Load: 41.5 t ADT: 16,486
COLONY DRIVE
GoodOver: UNNAMED CANAL
0.7 MI W OF VAN DYKE, St. Clair, MI
Built 1995 Load: 41.5 t ADT: 500
NEPESSING STREET
GoodOver: FLINT RIVER
3265 FT EAST OF M24 JUNCT, Lapeer, MI
Built 1973 Load: 41.8 t ADT: 5,850
DEXTER-PINCKNEY RD
GoodOver: PORTAGE LAKE CANAL
DEXTER TWP SECTION 2, Washtenaw, MI
Built 2010 Load: 41.8 t ADT: 7,407
HERMAN ROAD
GoodOver: DENOMIE CREEK
L'ANSE TWP SEC 22, Baraga, MI
Built 2003 Load: 42.1 t ADT: 296
OLD US-41
GoodOver: KELSEY CREEK
BARAGA TWP SEC 27-28, Baraga, MI
Built 2004 Load: 42.1 t ADT: 113
WOLF LAKE ROAD
GoodOver: BLACK CREEK
EGELSTON TWP SEC 32/33, Muskegon, MI
Built 2006 Load: 42.2 t ADT: 2,564
37TH STREET
GoodOver: GULL LAKE OUTLET
ROSS TWP SEC 31, Kalamazoo, MI
Built 2012 Load: 42.4 t ADT: 1,600
BRIDGE STREET
GoodOver: ROUGE RIVER
N OF 8 MILE RD, Oakland, MI
Built 2001 Load: 42.4 t ADT: 1,234
FILION ROAD
GoodOver: TAFT DRAIN
SEC. 15-22 MEADE TWP., Huron, MI
Built 1995 Load: 42.5 t ADT: 930
PARKER RD
GoodOver: MILL CREEK
SCIO TWP SEC 18, Washtenaw, MI
Built 2007 Load: 42.6 t ADT: 2,867
WHITTAKER ROAD
GoodOver: PAINT CREEK
YPSILANTI TWP SEC 28, Washtenaw, MI
Built 2007 Load: 42.7 t ADT: 11,389
RIDGE RD
GoodOver: ROUGE RIVER
RIDGE S OF MCNICHOLS, Wayne, MI
Built 2009 Load: 42.7 t ADT: 612
ALEXANDER STREET
GoodOver: MCCOY CREEK MILL RACE
CITY OF BUCHANAN, Berrien, MI
Built 1998 Load: 42.8 t ADT: 100
I-75 NB
GoodOver: SEXTON AND KILFOIL DRAIN
IN ALLEN PARK, Wayne, MI
Built 2018 Load: 42.8 t ADT: 40,500
FENCE LAKE ROAD
GoodOver: SPRUCE RIVER
3 MI S OF THREE LAKES, Baraga, MI
Built 1993 Load: 42.9 t ADT: 28
M-40
GoodOver: S BR MACATAWA RIVER
4.0 MI SE OF OTTAWA COL, Allegan, MI
Built 2000 Load: 43.1 t ADT: 11,124
M-6 WB
GoodOver: BUCK CREEK
BYRON TWP SEC 1, Kent, MI
Built 2000 Load: 43.1 t ADT: 26,271
KENDAVILLE ROAD
GoodOver: HERRON DRAIN
0.2 MI EAST OF FEDERAL RD, Montcalm, MI
Built 2014 Load: 43.1 t ADT: 1,525
SOUTH MAIN STREET
GoodOver: FALLS RIVER
VILLAGE OF L'ANSE, Baraga, MI
Built 2010 Load: 43.4 t ADT: 381
BRUTUS ROAD
GoodOver: MAPLE RIVER
SEC 24&25 MAPLE RIVER TWP, Emmet, MI
Built 2016 Load: 43.4 t ADT: 976
FDR8100
GoodOver: SO BR PRESQUE ISLE RIVER
6 MI S OF MARENISCO, Gogebic, MI
Built 2021 Load: 43.4 t ADT: 20
NO DATA ENTERED
GoodOver: W BR PRESQUE ISLE RIVER
6 MI SW OF MARENISCO, Gogebic, MI
Built 2018 Load: 44.1 t ADT: 50
M-46
GoodOver: SUCKER CREEK
2.8 MI E OF M-24, Tuscola, MI
Built 2012 Load: 44.4 t ADT: 4,040
WEST ROAD
GoodOver: FRANK & POET DRAIN
TRENTON W/FORT, Wayne, MI
Built 2020 Load: 44.4 t ADT: 23,000
BELSAY ROAD
GoodOver: KEARSLEY CREEK
BET DAVISON & RICHFIELD, Genesee, MI
Built 1994 Load: 44.7 t ADT: 12,023
I-275 SB
GoodOver: TONQUISH CR
3.5 MI SE OF PLYMOUTH, Wayne, MI
Built 1972 Load: 44.7 t ADT: 63,759
FDR3350
GoodOver: BUSH CREEK
19 MI E 9 MI N WATERSMEET, Iron, MI
Built 2021 Load: 45.0 t ADT: 100
FDR 3610
GoodOver: JUMBO RIVER
7 MI S OF KENTON, Iron, MI
Built 2021 Load: 45.0 t ADT: 20
WHEELING ROAD
GoodOver: NORTH BR. MILL CREEK DN.
SEC. 11-12 GOODLAND TWP., Lapeer, MI
Built 2004 Load: 45.0 t ADT: 39
I-75 SB
GoodOver: SANDY CREEK
1.2 MI NE OF M-50, Monroe, MI
Built 2016 Load: 45.0 t ADT: 25,200
HOSSLER ROAD
GoodOver: THUNDER BAY RIVER
SECTION 20 BRILEY TWP, Montmorency, MI
Built 1962 Load: 45.0 t ADT: 120
NO DATA ENTERED
GoodOver: TENDERFOOT CREEK
NO DATA ENTERED, Gogebic, MI
Built 1981 Load: 45.4 t ADT: 50
FORSMAN RD
GoodOver: GOOSENECK CREEK
0.7 MI E OF AIRPORT PK RD, Houghton, MI
Built 2019 Load: 45.4 t ADT: 86
210TH AVENUE
GoodOver: PINE RIVER
BURDELL TWP SEC 21/22, Osceola, MI
Built 2003 Load: 45.4 t ADT: 133
S GIBRALTAR
GoodOver: FRANK & POET DRAIN
GIBRALTAR E/JEFFERSON, Wayne, MI
Built 1992 Load: 45.4 t ADT: 2,929
IRR BIA RTE 1162
GoodOver: DRAINAGE TO HORTON CREEK
LITTLE TRAVERSE BAY, Charlevoix, MI
Built 2009 Load: 45.5 t ADT: 50
TALLADAY ROAD
GoodOver: PAINT CREEK
AUGUSTA TWP SEC 15 & 22, Washtenaw, MI
Built 2003 Load: 45.9 t ADT: 357
54TH STREET
GoodOver: M BR BLACK RIVER
LEE TWP SEC 21-22, Allegan, MI
Built 2004 Load: 46.3 t ADT: 140
BALDWIN AVENUE
GoodOver: ROUGE RIVER
0.03 MI N OF W MAPLE, Oakland, MI
Built 2009 Load: 46.3 t ADT: 150
M-85 (FORT ST)
GoodOver: NORFOLK WESTERN RR
FORT ST, Wayne, MI
Built 2010 Load: 46.3 t ADT: 5,981
RIVER STREET
GoodOver: CLAM RIVER
IN CADILLAC, Wexford, MI
Built 2005 Load: 46.3 t ADT: 3,400
THORNAPPLE RVR DR
GoodOver: CSX RR
1.0 MILE N OF 48TH STREET, Kent, MI
Built 2004 Load: 46.5 t ADT: 21,000
CRUZEN ROAD
GoodOver: PINE RIVER
MIKADO TWP SEC 3/4, Alcona, MI
Built 2001 Load: 46.7 t ADT: 290
TAFT ROAD
GoodOver: OTTER CREEK
FULTON TWP SEC 19, Gratiot, MI
Built 2012 Load: 46.7 t ADT: 92
WHITE RD
GoodOver: CRANBERRY CREEK
0.46 MI N OF COHOCTAH RD, Livingston, MI
Built 2023 Load: 46.7 t ADT: 54
M-53 NB
GoodOver: EAST POND CREEK
BRUCE TWP SEC 35-36, Macomb, MI
Built 2002 Load: 46.7 t ADT: 14,182
ST CHARLES ROAD
GoodOver: BAD RIVER
SEC 26-35 LAFAYETTE TWP, Gratiot, MI
Built 1990 Load: 46.9 t ADT: 144
MCKINLEY ROAD
GoodOver: MILL CREEK FORK
LIMA TWP SEC 6, Washtenaw, MI
Built 2012 Load: 47.0 t ADT: 200
ON RAMP @ GRNFLD.
GoodOver: LAND
IN DETROIT, Wayne, MI
Built 1973 Load: 47.0 t ADT: 12,580
Showing 901-950 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.