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
WEIR RD
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1950 ADT: 94,864
LONYO AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1949 ADT: 112,162
MARTIN STREET
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1949 ADT: 140,776
LIVERNOIS AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1950 ADT: 140,776
JUNCTION ST
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1950 ADT: 121,602
14TH ST
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1953 ADT: 154,312
TRUMBULL AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2016 ADT: 144,545
M-10 EB
UnknownOver: I-94 RAMP
IN DETROIT, Wayne, MI
Built 1953 ADT: 116,000
M-10 EB
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1953 ADT: 118,166
I-94EB RMP TO M-10
UnknownOver: I-94 WB & M-10 SB
IN DETROIT RAMP B-G, Wayne, MI
Built 1953 ADT: 63,154
CSX RR
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1948 ADT: 121,602
CONRAIL
UnknownOver: I-94
IN DETROIT (E. BRIDGE), Wayne, MI
Built 1955 ADT: 154,312
BRUSH ST
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2019 ADT: 142,650
CHENE ST
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2018 ADT: 142,650
WB E GRAND BLVD
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2021 ADT: 149,050
EB E GRAND BLVD
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2021 ADT: 144,050
MT ELLIOT ST
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2021 ADT: 136,125
CONCORD AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2019 ADT: 142,650
FRONTENAC AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2022 ADT: 164,105
HARPER AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1958 ADT: 166,726
CHENE RAMP TO I-94
UnknownOver: E BD E GRAND BLVD
CITY OF DETROIT, Wayne, MI
Built 1983 ADT: 1,500
M-3 (GRATIOT)
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2018 ADT: 142,650
CADILLAC AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2022 ADT: 164,105
FRENCH ROAD
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2019 ADT: 142,650
SB CONNER AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1958 ADT: 148,534
NB CONNER AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1958 ADT: 128,570
DICKERSON AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1958 ADT: 130,650
WHITTIER RD
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1959 ADT: 130,650
CADIEUX AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1959 ADT: 130,650
MORANG AVE
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 1959 ADT: 130,650
MOROSS RD NB
UnknownOver: I-94
IN DETROIT, Wayne, MI
Built 2003 ADT: 130,650
WOODSIDE AVE
UnknownOver: I-94
IN HARPER WOODS, Wayne, MI
Built 1959 ADT: 130,650
MDOT RR CORRIDOR
UnknownOver: US-24
IN DEARBORN, Wayne, MI
Built 1937 ADT: 57,728
US-24 SB
UnknownOver: HINES DRIVE
IN DEARBORN HTS, Wayne, MI
Built 1959 ADT: 31,500
US-24 NB
UnknownOver: HINES DRIVE
IN DEARBORN HTS, Wayne, MI
Built 1959 ADT: 23,300
CSX RR
UnknownOver: US-12
IN WAYNE, Wayne, MI
Built 1931 ADT: 36,902
CSX RR
UnknownOver: US-12
IN DEARBORN 12600 W MICH, Wayne, MI
Built 1927 ADT: 28,335
CONRAIL
UnknownOver: US-12
@ MILLER & MICHIGAN AVE, Wayne, MI
Built 1927 ADT: 28,335
CONRAIL
UnknownOver: US-12
IN DETROIT, Wayne, MI
Built 1941 ADT: 12,118
CONRAIL
UnknownOver: I-75 RAMP C& NB OLD 25
IN LINCOLN PARK, Wayne, MI
Built 1966 ADT: 12,200
MILLER RD
UnknownOver: M-153
IN DEARBORN, Wayne, MI
Built 1940 ADT: 30,375
GREENFIELD RD
UnknownOver: M-153
IN DEARBORN, Wayne, MI
Built 1961 ADT: 65,932
EVERGREEN RD NB
UnknownOver: M-153
IN DEARBORN, Wayne, MI
Built 1972 ADT: 60,140
EVERGREEN RD SB
UnknownOver: M-153
IN DEARBORN, Wayne, MI
Built 1972 ADT: 60,140
CSX RR
UnknownOver: M-153
DEARBORN,300' W OF OAKMAN, Wayne, MI
Built 1973 ADT: 33,154
OLD M-39-SCHAEFER
UnknownOver: ENT TO FORD PLANT
IN DEARBORN, Wayne, MI
Built 1957 ADT: 20,000
HINES DRIVE
UnknownOver: OLD M-14 (ANN ARBOR RD)
IN LIVONIA, Wayne, MI
Built 1948 ADT: 25,314
NAPIER ROAD
UnknownOver: M-14
3 MI W OF PLYMOUTH, Wayne, MI
Built 1975 ADT: 55,818
N TERRITORIAL RD
UnknownOver: M-14
2.5 MI W OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 55,818
BECK ROAD
UnknownOver: M-14
1.0 MI W. OF PLYMOUTH, Wayne, MI
Built 1976 ADT: 73,280
Showing 151-200 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.