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-14 WB
UnknownOver: SHELDON ROAD
1.2 MI W OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 23,100
ROBINWOOD DRIVE
UnknownOver: M-14
0.3 MI NORTH OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 93,826
SCHOOLCRAFT CONN
UnknownOver: M-14
1 MI W OF W CTY LTS LIVON, Wayne, MI
Built 1977 ADT: 93,826
CSX RR
UnknownOver: M-14
0.5 MI NORTH OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 93,826
HAMILTON AVENUE
UnknownOver: M-8, DAVISON FWY
HIGHLAND PARK E/LODGE FWY, Wayne, MI
Built 1996 ADT: 79,030
JOHN R STREET
UnknownOver: M-8, DAVISON FWY
HIGHLAND PARK E/WOODWARD, Wayne, MI
Built 1996 ADT: 80,714
EB M-8 RMP TO I-75
UnknownOver: S SERVICE DRIVE, M-8
IN DETROIT O S SERVICE RD, Wayne, MI
Built 1971 ADT: 7,500
MONROE AVE
UnknownOver: I-375
IN DETROIT, Wayne, MI
Built 1959 ADT: 48,074
LAFAYETTE AVE
UnknownOver: I-375
IN DETROIT, Wayne, MI
Built 1960 ADT: 48,074
CHRYSLER DR
UnknownOver: I-375
IN DETROIT, Wayne, MI
Built 1962 ADT: 19,243
WASHINGTON ST
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1958 ADT: 74,078
LARNED ST RAMP
UnknownOver: M-10 NB
IN DETROIT, Wayne, MI
Built 1959 ADT: 37,039
M-85 (FORT ST,)
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1958 ADT: 74,300
LAFAYETTE BLVD
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1952 ADT: 74,300
HOWARD ST
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1953 ADT: 74,300
US-12
UnknownOver: M-10 NB
IN DETROIT, Wayne, MI
Built 1954 ADT: 52,258
US-12
UnknownOver: M-10 SB
IN DETROIT, Wayne, MI
Built 1954 ADT: 52,258
MLK JR BLVD EB
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 2017 ADT: 98,775
FOREST AVE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1950 ADT: 129,400
WARREN AV
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1950 ADT: 129,400
CLAIRMOUNT AVENUE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1954 ADT: 126,934
CHICAGO BLVD
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1955 ADT: 132,618
GLENDALE AVE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1955 ADT: 134,688
M-8 EB DAVISON
UnknownOver: M-10 SB
IN DETROIT OVER M-10 SB, Wayne, MI
Built 1956 ADT: 78,042
NB TO WB DAVISON
UnknownOver: M-10 SB
IN DETROIT, Wayne, MI
Built 1957 ADT: 78,042
OAKMAN BLVD
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1955 ADT: 156,084
ROSA PARKS BLVD
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1957 ADT: 156,084
LINWOOD AVE
UnknownOver: M-10 JOHN LODGE FRWY
IN DETROIT, Wayne, MI
Built 1955 ADT: 156,084
DEXTER-BELDEN AVE
UnknownOver: M-10 JOHN LODGE FRWY
IN DETROIT, Wayne, MI
Built 1955 ADT: 155,986
LIVERNOIS AVE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1955 ADT: 157,070
WYOMING AVE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1955 ADT: 157,070
MYERS RD TURNAROUN
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1963 ADT: 150,070
OUTER DRIVE EB
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1964 ADT: 124,630
OUTER DRIVE WB
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1964 ADT: 124,630
SCHAEFER SE TURN
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1964 ADT: 124,630
7 MI RD
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1964 ADT: 124,630
PEMBROKE AVE
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1963 ADT: 123,644
M-102 RAMP
UnknownOver: M-10 RAMP
N LTS OF DETROIT, Wayne, MI
Built 1965 ADT: 9,500
GREENFIELD RD LF T
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1964 ADT: 70,270
LIVERNOIS AV UTURN
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1987 ADT: 157,070
CONRAIL
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1949 ADT: 126,308
CONRAIL
UnknownOver: M-10
IN DETROIT, Wayne, MI
Built 1957 ADT: 156,084
GTW RR
UnknownOver: M-5, GRAND RIVER AVE
IN DETROIT (W BRIDGE), Wayne, MI
Built 1936 ADT: 8,109
NEWBURGH RD
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1974 ADT: 131,900
FARMINGTON RD
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1974 ADT: 136,900
MERRIMAN RD
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1974 ADT: 157,688
WARNER COURT
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1974 ADT: 145,800
RACE TRACK ENTRC
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1971 ADT: 145,000
CARDWELL RD
UnknownOver: I-96
IN LIVONIA, Wayne, MI
Built 1971 ADT: 145,000
GARFIELD ST U-TRN
UnknownOver: I-96
IN REDFORD TWP, Wayne, MI
Built 1974 ADT: 139,400
Showing 201-250 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.