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
ORCHARD LAKE ROAD
FairOver: UPPER ROUGE RIVER
BTWN M-5 & GRAND RIV AVE, Oakland, MI
Built 1955 Load: 12.1 t ADT: 12,500
USFS RTE 3199
FairOver: HENDRIE RIVER
5 MI N 2 MI W TROUT LAKE, Chippewa, MI
Built 1980 Load: 12.3 t ADT: 10
COUNTY ROAD H 42
FairOver: RAPID RIVER
10.5 M N 1.5 M W RAPID RI, Delta, MI
Built 1964 Load: 12.3 t ADT: 21
15TH STREET
FairOver: MILLER CREEK
APPROX 1/4MI S OF 128TH A, Allegan, MI
Built 1973 Load: 13.0 t ADT: 70
FOREST ROAD 5250
FairOver: M BR ONTONAGON RIVER
6 MI N 5 MI E OF WATERSM, Ontonagon, MI
Built 1954 Load: 13.0 t ADT: 50
GRISWOLD STREET
FairOver: MIDDLE ROUGE RIVER
NORTHVILLE N/MAIN ST, Wayne, MI
Built 1928 Load: 13.4 t ADT: 5,403
MAPLE ROAD
FairOver: HURON RIVER
ANN ARBOR TWP SEC 7, Washtenaw, MI
Built 1876 Load: 13.6 t ADT: 1,963
GUENTHER RD
FairOver: MILL CREEK
LIMA TWP SEC 34, Washtenaw, MI
Built 1944 Load: 14.3 t ADT: 139
SECOND AVE
FairOver: LOWER ROUGE RIVER
IN CITY OF WAYNE, Wayne, MI
Built 1976 Load: 14.3 t ADT: 2,457
3332
FairOver: CARP RIVER
3.062 WEST ON 3332, Mackinac, MI
Built 1951 Load: 14.6 t ADT: 15
NO DATA ENTERED
FairOver: BEAVER CREEK
T45N, R17W, SEC. 18, Schoolcraft, MI
Built 1996 Load: 14.6 t ADT: 50
BUNO ROAD
FairOver: HURON RIVER
MILFORD TWP SEC 28, Oakland, MI
Built 1940 Load: 15.0 t ADT: 750
FOREST ROAD 3470
FairOver: SOUTH BRANCH PAINT RIVER
3.3 MI N OF BEECHWOOD, Iron, MI
Built 1952 Load: 15.9 t ADT: 50
GRAHAM ROAD
FairOver: UPPER ROUGE RIVER
REDFORD W/TELEGRAPH, Wayne, MI
Built 1947 Load: 16.8 t ADT: 500
COLBY ROAD
FairOver: FISH CREEK
EVERGREEN TWP SEC 11-14, Montcalm, MI
Built 1980 Load: 17.2 t ADT: 164
FOREST ROAD 3350
FairOver: BUSH CREEK
4.5 MI NW GIBBS CITY, Iron, MI
Built 1955 Load: 17.8 t ADT: 50
LOTZ ROAD
FairOver: LOWER ROUGE RIVER
CANTON N/MICHIGAN, Wayne, MI
Built 1952 Load: 17.8 t ADT: 5,173
PENDELL ROAD
FairOver: DRAIN #290
SEC 1 SUMNER TWP, Gratiot, MI
Built 1978 Load: 18.2 t ADT: 116
KENNETH ROAD
FairOver: N. BRANCH CARP RIVER
3 M S & 5 M E OF OZARK, Mackinac, MI
Built 1979 Load: 18.5 t ADT: 125
SULLIVAN CREEK TR.
FairOver: BLACK CREEK
8 MI NW OF RUDYARD, Chippewa, MI
Built 1950 Load: 19.1 t ADT: 50
EAST DELHI ROAD
FairOver: HURON RIVER
SCIO TWP SEC 2, Washtenaw, MI
Built 1900 Load: 19.1 t ADT: 750
GIBRALTAR ROAD
FairOver: SILVER CREEK
FLATROCKE/TELEGRAPH, Wayne, MI
Built 1928 Load: 19.1 t ADT: 11,804
I-75 & RAMP A
FairOver: FRANK & POET DRAIN
IN TAYLOR, Wayne, MI
Built 1966 Load: 19.4 t ADT: 83,412
FULLER ROAD
FairOver: DICKERSON CREEK
MONTCALM TWP SEC 25, Montcalm, MI
Built 1974 Load: 20.0 t ADT: 75
DRIGGS RIVER ROAD
FairOver: DIVERSION DITCH
SEC 7 T45N R14W, Schoolcraft, MI
Built 1940 Load: 20.0 t ADT: 30
C-3 POOL ROAD
FairOver: DRIGGS RIVER
SEC 7 T45N R14W, Schoolcraft, MI
Built 1942 Load: 20.0 t ADT: 10
BAYSHORE DRIVE
FairOver: KELSEY CREEK
BARAGA TWP SEC 27, Baraga, MI
Built 2016 Load: 20.4 t ADT: 10
MAPLE GROVE ROAD
FairOver: HIGH BANKS CREEK
0.37MI E CHARLTON PARK RD, Barry, MI
Built 1970 Load: 20.4 t ADT: 500
SPRUCE AVE
FairOver: FIVE MILE CREEK
2.6 MI NE OF WHITE CLOUD, Newaygo, MI
Built 1954 Load: 20.7 t ADT: 450
FOREST ROAD 400
FairOver: CASCADE CREEK
4 MI N 5 MI E OF BERGLAND, Ontonagon, MI
Built 1963 Load: 21.1 t ADT: 50
FOREST ROAD 6930
FairOver: CISCO BR ONTONAGON RIVER
8 MI W OF PAULDING, Ontonagon, MI
Built 1951 Load: 21.1 t ADT: 50
FIFTH AVENUE
FairOver: PORTAGE RIVER
0.3 MI EAST OF US-131 BR, St. Joseph, MI
Built 1985 Load: 21.1 t ADT: 2,800
MARTINSVILLE ROAD
FairOver: BIG SWAN CREEK
SUMPTER N/JUDD, Wayne, MI
Built 1987 Load: 21.1 t ADT: 2,635
USFS RTE 2231
FairOver: STURGEON RIVER
SEC 17 NAHMA TWP, Delta, MI
Built 1948 Load: 21.4 t ADT: 10
MAIER ROAD
FairOver: FREMONT DRAIN
SEC 23 FREMONT TWP, Tuscola, MI
Built 1960 Load: 21.7 t ADT: 60
FOREST ROAD 2270
FairOver: STURGEON RIVER
S END OF PRICKETT LAKE, Houghton, MI
Built 1954 Load: 22.0 t ADT: 50
BEECH-DALY ROAD
FairOver: BELL CREEK
REDFORD TWP S/FIVE MILE, Wayne, MI
Built 1933 Load: 22.7 t ADT: 24,472
BEAVER ROAD
FairOver: KAWKAWLIN RIVER
200 FT W OF FOUR MILE RD, Bay, MI
Built 1928 Load: 23.0 t ADT: 3,404
THIRD STREET
FairOver: BRANDYWINE CREEK
0.5 MI S OF NILES, Berrien, MI
Built 1982 Load: 23.3 t ADT: 5,588
WHITE CREEK ROAD
FairOver: WHITE CREEK DRAIN #2
SEC 13-14 KOYLTON TWP, Tuscola, MI
Built 1980 Load: 23.3 t ADT: 800
FOREST ROAD 9300
FairOver: LITTLE PRESQUE ISLE RIV
3 MI N 4 MI W MARENISCO, Gogebic, MI
Built 1966 Load: 24.0 t ADT: 50
USFS RTE 3303
FairOver: BREVOORT RIVER
1.3 MI W CO RTE H57, Mackinac, MI
Built 1963 Load: 24.0 t ADT: 10
STANTON ROAD 522
FairOver: FISH CREEK
5 MI E OF STANTON, Montcalm, MI
Built 1920 Load: 24.4 t ADT: 3,223
PRATTVILLE ROAD
FairOver: E BR ST JOSEPH OF MAUMEE
0.4 MI W OF WALDRON RD, Hillsdale, MI
Built 1952 Load: 24.6 t ADT: 200
PRATT RD
FairOver: HONEY CREEK
SCIO TWP SEC 14 & 23, Washtenaw, MI
Built 1980 Load: 25.0 t ADT: 233
PARKS ROAD
FairOver: MAPLE RIVER
0.2 MI W OF SHEPARDSVILLE, Clinton, MI
Built 1920 Load: 25.1 t ADT: 107
MARTZ RD
FairOver: PAINT CREEK
YPSILANTI TWP SEC 34, Washtenaw, MI
Built 1965 Load: 25.7 t ADT: 4,021
20TH STREET
FairOver: MILLER CREEK
APPROX 0.1 MI S OF 128TH, Allegan, MI
Built 1968 Load: 25.9 t ADT: 1,327
HUNTERS CREEK ROAD
FairOver: SOUTH BR. FLINT RIVER
SEC26-35LAPEERTWP., Lapeer, MI
Built 1985 Load: 25.9 t ADT: 90
BARNES ROAD
FairOver: SQUAW CREEK DRAIN
SEC. 21-28 RICH TWP., Lapeer, MI
Built 1994 Load: 25.9 t ADT: 880
Showing 451-500 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.