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
HOLDEN ROAD
PoorOver: E BR GALIEN RIVER
WEESAW TWP SEC 3-4, Berrien, MI
Built 2000 Load: 31.4 t ADT: 187
M-61
PoorOver: M BR PINE RIVER
2.0 MI W OF STANDISH, Arenac, MI
Built 1952 Load: 31.8 t ADT: 4,242
ASHBURY DRIVE
PoorOver: MIDDLE BR ROUGE RIVER
CHASE FARMS SUBDIVISION, Oakland, MI
Built 1991 Load: 32.7 t ADT: 100
DUNCAN ST
PoorOver: RIVER RAISIN
IN VILLAGE OF MANCHESTER, Washtenaw, MI
Built 1970 Load: 32.7 t ADT: 2,300
I-96 RAMP
PoorOver: OPEN GROUND
IN DETROIT, Wayne, MI
Built 1973 Load: 32.7 t ADT: 18,870
SUMPTER ROAD
PoorOver: SWAN CREEK
SUMPTER S/WILLIS, Wayne, MI
Built 1950 Load: 32.7 t ADT: 5,924
LISS ROAD
PoorOver: PAINT CREEK
AUGUSTA TWP SEC 34, Washtenaw, MI
Built 1924 Load: 32.8 t ADT: 112
DAVIS PARK
PoorOver: CASS RIVER OVERFLOW
DAVIS PARK, Saginaw, MI
Built 1979 Load: 33.0 t ADT: 6
NORTH MARSHALL RD
PoorOver: COLD CREEK
COLDWATER TWP SEC 3-4, Branch, MI
Built 1930 Load: 33.3 t ADT: 5,588
HAGGERTY ROAD
PoorOver: FELLOWS CREEK
CANTON S/FORD, Wayne, MI
Built 1930 Load: 34.3 t ADT: 14,842
US-23 SB, M-14 EB
PoorOver: MDOT RR CORRIDOR
0.9 MI E OF W JCT M-14, Washtenaw, MI
Built 1962 Load: 34.7 t ADT: 36,627
MCKALE ROAD
PoorOver: PRAIRIE RIVER
4.5 MI NE OF STURGIS, St. Joseph, MI
Built 1965 Load: 35.3 t ADT: 77
M-3 (GRATIOT AVE)
PoorOver: DEQUINDRE CUT
IN DETROIT, Wayne, MI
Built 1929 Load: 35.3 t ADT: 19,649
GENESEE STREET
PoorOver: FARMERS CR
1450 FT EAST OF M24 JUNCT, Lapeer, MI
Built 1933 Load: 35.6 t ADT: 16,489
I-75 RAMP H & M
PoorOver: SWARTZ CREEK
WB I-69 RMP TO NB I-75, Genesee, MI
Built 1969 Load: 36.3 t ADT: 33,600
E N HINES DRIVE
PoorOver: MIDDLE ROUGE RIVER
PLYMOUTH T S/PLYMOUTH RD, Wayne, MI
Built 1932 Load: 36.6 t ADT: 7,192
BASE LINE
PoorOver: CSX RR
NORTHVILLE E/NOVI RD, Wayne, MI
Built 1960 Load: 37.6 t ADT: 35,730
GIBRALTAR ROAD
PoorOver: BROWNSTOWN CREEK
GIBRALTAR W/JEFFERSON, Wayne, MI
Built 1976 Load: 37.9 t ADT: 9,406
GIBRALTAR ROAD
PoorOver: FRANK & POET DRAIN
GIBRALTAR E/JEFFERSON, Wayne, MI
Built 1932 Load: 38.2 t ADT: 6,206
MIDDLE BELT ROAD
PoorOver: LOWER ROUGE RIVER
INKSTER N/MICHIGAN, Wayne, MI
Built 1924 Load: 39.5 t ADT: 23,978
HANNAN ROAD
PoorOver: LOWER ROUGE RIVER
CANTON/WAYNE N/MICHIGAN, Wayne, MI
Built 1955 Load: 39.9 t ADT: 3,368
DUCK CREEK ROAD
PoorOver: DUCK CREEK
7.6 N/US-2, 9.2 E/M-94, Schoolcraft, MI
Built 1922 Load: 40.5 t ADT: 5
OLD-27
PoorOver: INDIAN CREEK
LEE TWP SEC 7, Calhoun, MI
Built 1931 Load: 41.5 t ADT: 2,925
I-96 RAMP
PoorOver: LAND
IN DETROIT, Wayne, MI
Built 1973 Load: 41.5 t ADT: 18,870
FARR RD
PoorOver: NORRIS CREEK
SEC 29 FRUITPORT TWP, Muskegon, MI
Built 1972 Load: 41.8 t ADT: 500
I-296 NB ON RAMP D
PoorOver: PARKING LOT/RELIEF
IN GRAND RAPIDS, Kent, MI
Built 1963 Load: 43.1 t ADT: 4,500
ANDRUS ROAD
PoorOver: COLDWATER RIVER
1 MI S OF M-43, Barry, MI
Built 1970 Load: 46.7 t ADT: 50
NB M-39 SERVICE DR
PoorOver: NORTH BR. ECORSE RIVER
IN ALLEN PARK, Wayne, MI
Built 1962 Load: 48.0 t ADT: 8,800
17 MILE ROAD
PoorOver: MIDDLE BRANCH RIVER
MIDDLE BR TWP SEC 3/10, Osceola, MI
Built 1965 Load: 48.9 t ADT: 153
LONGNECKER RD
PoorOver: BEAR CREEK
0.22 MI W OF FULTON RD, St. Joseph, MI
Built 1969 Load: 49.9 t ADT: 57
M-39
PoorOver: ECORSE CREEK
IN ALLEN PARK, Wayne, MI
Built 1963 Load: 50.5 t ADT: 92,920
LEATON ROAD
PoorOver: JORDAN CREEK
0.37 MI S BEAL CITY ROAD, Isabella, MI
Built 1970 Load: 53.1 t ADT: 100
RUSH ROAD
PoorOver: LITTLE THORNAPPLE RIVER
550 FT S OF JORDAN RD, Barry, MI
Built 1972 Load: 65.8 t ADT: 50
WILLITS STREET
PoorOver: ROUGE RIVER
0.3 MI W OF N OLDWOODWARD, Oakland, MI
Built 1961 Load: 82.0 t ADT: 779
MACKINAW ROAD
PoorOver: SELLECK DRAIN
0.5 MI S OF MT FOREST RD, Bay, MI
Built 1975 Load: 91.7 t ADT: 335
MARTIN ROAD
PoorOver: LITTLE THORNAPPLE RIVER
300 FT S OF JORDAN RD, Barry, MI
Built 1970 Load: 97.2 t ADT: 50
M-43 (W SAGINAW)
PoorOver: CARRIER CREEK
0.4 MI W OF CREYTS ROAD, Eaton, MI
Built 1956 Load: 97.2 t ADT: 26,200
70TH AVENUE
PoorOver: FRANZ CREEK
HIGHLAND TWP 25/26, Osceola, MI
Built 1965 Load: 97.2 t ADT: 367
Showing 1,151-1,188 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.