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
C&O RAILROAD
UnknownOver: CHASE RD
IN DEARBORN, Wayne, MI
Built 1900 ADT: 9,600
CONRAIL
UnknownOver: LIVERNOIS AVE
N OF TOLEDO, Wayne, MI
Built 1928 ADT: 12,087
NORFOLK SOUTHRN RR
UnknownOver: LIVERNOIS AVE
N OF TOLEDO, Wayne, MI
Built 1928 ADT: 9,042
CONRAIL
UnknownOver: LIVERNOIS AVE
S OF JOHN KRONK, Wayne, MI
Built 1936 ADT: 29,757
GRAND TRUNK W RR
UnknownOver: WARREN AVE
W OF GRAND RIVER, Wayne, MI
Built 1905 ADT: 14,377
CONRAIL & C&O RRS
UnknownOver: M-85 (FORT ST)
FORT ST WEST OF DEARBORN, Wayne, MI
Built 1929 ADT: 10,722
NS RR
UnknownOver: M-85 (FORT ST)
FORT ST WEST OF LAWNDALE, Wayne, MI
Built 1924 ADT: 10,722
CONRAIL
UnknownOver: SPRINGWELLS AVE
N OF FISHER FREEWAY, Wayne, MI
Built 1930 ADT: 10,608
CONRAIL
UnknownOver: CENTRAL AVE
S OF MICHIGAN, Wayne, MI
Built 1913 ADT: 11,365
CONRAIL
UnknownOver: VERNOR HWY
W OF LIVERNOIS, Wayne, MI
Built 1924 ADT: 21,139
CONRAIL
UnknownOver: LONYO ROAD
S OF JOHN KRONK, Wayne, MI
Built 1913 ADT: 10,836
CONRAIL
UnknownOver: LONYO ROAD
S OF JOHN KRONK, Wayne, MI
Built 1913 ADT: 10,836
CONRAIL
UnknownOver: LONYO ROAD
S OF JOHN KRONK, Wayne, MI
Built 1913 ADT: 10,836
CONRAIL
UnknownOver: TWELFTH ST
N OF KIRBY, Wayne, MI
Built 1917 ADT: 5,813
CONRAIL
UnknownOver: BRUSH ST
S OF MILWAUKEE, Wayne, MI
Built 1911 ADT: 6,632
CONRAIL
UnknownOver: BRUSH ST
S OF MILWAUKEE, Wayne, MI
Built 1911 ADT: 6,632
GTWRR & CONR
UnknownOver: BRUSH ST
S OF MILWAUKEE, Wayne, MI
Built 1911 ADT: 6,632
CONRAIL
UnknownOver: RUSSELL ST
S OF TROMBLY, Wayne, MI
Built 1929 ADT: 16,257
NORFOLK SOUTHRN RR
UnknownOver: JUNCTION AVE
S OF KONKEL, Wayne, MI
Built 1907 ADT: 5,627
CONRAIL
UnknownOver: RUSSELL ST
N OF E GRAND BOULEVARD, Wayne, MI
Built 1912 ADT: 6,030
NORFOLK SOUTHRN RR
UnknownOver: LAWNDALE
N OF FORT, Wayne, MI
Built 1930 ADT: 2,287
CONRAIL
UnknownOver: LAWTON
S OF WARREN, Wayne, MI
Built 1926 ADT: 1,400
CONRAIL
UnknownOver: LINCOLN
S OF W GRAND BLVD, Wayne, MI
Built 1916 ADT: 2,506
GTW RR
UnknownOver: LINCOLN
S OF W GRAND BLVD, Wayne, MI
Built 1916 ADT: 2,506
CONRAIL
UnknownOver: COMMONWEALTH
S OF W GRAND BLVD, Wayne, MI
Built 1916 ADT: 420
CONRAIL
UnknownOver: HOLDEN
S OF W GRAND BLVD, Wayne, MI
Built 1916 ADT: 3,225
GTW RR
UnknownOver: MCKINLEY
N OF MYRTLE, Wayne, MI
Built 1933 ADT: 345
CONRAIL
UnknownOver: ROOSEVELT
S OF BUCHANAN, Wayne, MI
Built 1933 ADT: 590
GTW RR
UnknownOver: ROOSEVELT
S OF BUCHANAN, Wayne, MI
Built 1933 ADT: 590
VINING RD
UnknownOver: I-94
CITY OF ROMULUS, Wayne, MI
Built 1996 ADT: 112,408
RAMP A (WB)
UnknownOver: M-14
0.9 MI W OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 93,826
CSX RAILROAD
UnknownOver: NEWBURGH ROAD
CITY OF WESTLAND, Wayne, MI
Built 1996 ADT: 23,300
SB RMP/TERMINAL DR
UnknownOver: LOWER ACC'S RD&ROGELL DR
DETROIT METRO AIRPORT, Wayne, MI
Built 1997 ADT: 3,500
SB I-75 EXIT RAMP
UnknownOver: EB I-96
AMBASSADOR GATEWAY, Wayne, MI
Built 2007 ADT: 35,000
CSX RR
UnknownOver: SHELDON ROAD
PLYMOUTH TWP, Wayne, MI
Built 2006 ADT: 23,900
MIDFIELD RMP A, A2
UnknownOver: MIDFIELD RAMP B2
MIDFIELD TERMINIAL, Wayne, MI
Built 2002
SB DINGELL RD
UnknownOver: EAST SERVICE RD
0.8 MI S OF I-94, Wayne, MI
Built 2000 ADT: 1,566
MIDFIELD RAMP C1
UnknownOver: DINGELL RD
1.2 MI N OF EUREKA, Wayne, MI
Built 2002 ADT: 15,763
PLAZA TO I-75
UnknownOver: NB&SB RMPS TO VERNOR
AMBASSADOR GATEWAY, Wayne, MI
Built 2007 ADT: 862
TOLEDO-DIX HWY
UnknownOver: I-75
N OF WOODHAVEN, Wayne, MI
Built 2012 ADT: 102,180
US-131 SB
UnknownOver: 50 MILE RD
5 MI S OF CADILLAC, Wexford, MI
Built 1966 ADT: 60
US-131 NB
UnknownOver: 50 MILE RD
5 MI S OF CADILLAC, Wexford, MI
Built 1966 ADT: 60
NO. 30 ROAD
UnknownOver: US-131
2 MI N OF BOON ROAD, Wexford, MI
Built 2000 ADT: 7,150
US-131 SB
UnknownOver: OLD US-131
5.8 MI N OF M-55, Wexford, MI
Built 2000 ADT: 4,397
CONGDON ROAD
FairOver: GAYLORD/MAC RAIL TRAIL
0.4 W OF OLD 27, Otsego, MI
Built 2009 Load: 1.6 t ADT: 200
SECOND STREET
FairOver: KALAMAZOO RIVER
CITY OF ALLEGAN, Allegan, MI
Built 1886 Load: 3.2 t ADT: 2,582
DIVISION DRIVE
FairOver: WILDER CREEK
MARENGO TWP SEC 33, Calhoun, MI
Built 1974 Load: 4.9 t ADT: 760
SOUTHSIDE RD
FairOver: GRINDSTONE CREEK
2.0 MI N OF HIAWATHA, Schoolcraft, MI
Built 1991 Load: 5.5 t ADT: 24
SAND LAKE ROAD
FairOver: SAND RIVER
0.25 MI S OF SAND RIVER, Alger, MI
Built 1915 Load: 8.1 t ADT: 50
DANCER ROAD
FairOver: MILL CREEK
LIMA TWP SEC 26 & 27, Washtenaw, MI
Built 1928 Load: 10.1 t ADT: 149
Showing 401-450 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.