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
HOULIHAN ROAD
GoodOver: BIRCH RUN DRAIN
SEC 15 T11N R4E, Saginaw, MI
Built 1999 Load: 36.3 t ADT: 10
MARLEY DRIVE
GoodOver: CANAL (MIDDLE)
BROWNSTOWNE/DERN, Wayne, MI
Built 2002 Load: 36.3 t ADT: 760
MARLEY DRIVE
GoodOver: CANAL (EAST)
BROWNSTOWNE/MARCUS, Wayne, MI
Built 2002 Load: 36.3 t ADT: 760
M-115
GoodOver: NORWAY CREEK
0.8 MI SE OF OSCEOLA COL, Clare, MI
Built 1938 Load: 36.6 t ADT: 5,855
OTTO ROAD
GoodOver: THORNAPPLE RIVER
6 MI N OF CHARLOTTE, Eaton, MI
Built 1986 Load: 36.6 t ADT: 630
CASS ROAD
GoodOver: BOARDMAN RIVER
0.26 MI W OF KEYSTONE RD, Grand Traverse, MI
Built 2016 Load: 36.6 t ADT: 7,384
WIKARYASZ ROAD
GoodOver: N BR THUNDER BAY RIVER
1.8 MI WEST OF BOLTON, Alpena, MI
Built 2002 Load: 36.9 t ADT: 60
BURNT MILL ROAD
GoodOver: PLATTE RIVER
INLAND TWP SEC 4, Benzie, MI
Built 2010 Load: 36.9 t ADT: 53
M-66
GoodOver: QUAKER BROOK
2.5 MI S OF NASHVILLE, Barry, MI
Built 2006 Load: 37.3 t ADT: 2,159
WHITE CREEK ROAD
GoodOver: WHITE CREEK DRAIN #2
SEC 1-2 KOYLTON TWP, Tuscola, MI
Built 1993 Load: 37.3 t ADT: 600
GEDDES ROAD
GoodOver: FOWLER DRAIN
CANTON W/BARR, Wayne, MI
Built 2001 Load: 37.3 t ADT: 5,404
KLENK AVE
GoodOver: FOX CREEK
NORTH OF RIVERSIDE, Wayne, MI
Built 1981 Load: 37.3 t ADT: 116
MIDDLE BELT ROAD
GoodOver: BELL CREEK
LIVONIA N/FIVE MILE, Wayne, MI
Built 2022 Load: 37.6 t ADT: 31,000
M-553
GoodOver: CARP RIVER
0.5 MI S OF M-554, Marquette, MI
Built 2002 Load: 37.9 t ADT: 6,595
I-75 NB
GoodOver: CSX RR
0.3 MI S OF M-46, Saginaw, MI
Built 2021 Load: 37.9 t ADT: 32,900
COLONY DRIVE
GoodOver: UNNAMED CANAL
100FT W OF VAN DYKE, St. Clair, MI
Built 1995 Load: 37.9 t ADT: 500
ALLEN ROAD
GoodOver: ECORSE CREEK
ALLEN PARK S/OUTER DRV, Wayne, MI
Built 2021 Load: 37.9 t ADT: 23,260
VASSAR ROAD
GoodOver: PERRY CREEK
SEC 7 MILLINGTON TWP, Tuscola, MI
Built 1985 Load: 38.0 t ADT: 1,690
CALL RD
GoodOver: MARKS CREEK
SEC 5/6, T21N, R7W, Missaukee, MI
Built 2000 Load: 38.2 t ADT: 180
VASSAR ROAD
GoodOver: NORTHWEST DRAIN
SEC 18 FAIRGROVE TWP, Tuscola, MI
Built 1971 Load: 38.2 t ADT: 650
MCGEE ROAD
GoodOver: MOSQUITO CREEK
SEC 21/22, T22N, R7W, Missaukee, MI
Built 2000 Load: 38.6 t ADT: 112
KENNETT ROAD
GoodOver: CN & GTW RR
1/4 MI SE TELEGR & OAKLND, Oakland, MI
Built 2004 Load: 38.6 t ADT: 5,700
I-275 RAMP N
GoodOver: CSX RR
S OF SCHOOLCRAFT, Wayne, MI
Built 1971 Load: 38.6 t ADT: 8,760
JEFFERSON AVENUE
GoodOver: CONRAIL (ABN)
E OF BEAUFAIT, Wayne, MI
Built 2016 Load: 38.6 t ADT: 24,850
CHERRY STREET
GoodOver: FARNUM DRAIN
150 FT S OF TEEDS ST, Lapeer, MI
Built 2011 Load: 38.9 t ADT: 8
NOVI RD
GoodOver: CSX RR & MID ROUGE RIVER
S OF GRAND RIVER AVE, Oakland, MI
Built 2011 Load: 38.9 t ADT: 19,810
WATER STREET
GoodOver: STOCKS CREEK
0.24 MI W OF W WATER ST, St. Clair, MI
Built 2015 Load: 38.9 t ADT: 6,794
M-85 NB
GoodOver: SEXTON-KILFOIL DRAIN
IN LINCOLN PARK, Wayne, MI
Built 2011 Load: 38.9 t ADT: 18,478
HALBERT RD
GoodOver: WABASCON CREEK
0.4 MI W OF M-37, Calhoun, MI
Built 2019 Load: 39.2 t ADT: 200
US-31
GoodOver: BOARDMAN RIVER
IN TRAVERSE CITY, Grand Traverse, MI
Built 1951 Load: 39.2 t ADT: 26,650
M-46
GoodOver: W BR PINE RIVER
2.1 MI W OF US 27, Gratiot, MI
Built 2006 Load: 39.2 t ADT: 6,570
RIVER PARK RD
GoodOver: CARP RIVER
0.1 M E OF N LAKESHORE DR, Marquette, MI
Built 1996 Load: 39.2 t ADT: 1,000
E N HINES DRIVE
GoodOver: MIDDLE ROUGE RIVER
DBN HTS N/FORD, Wayne, MI
Built 2023 Load: 39.2 t ADT: 15,754
M-102 WB
GoodOver: PLUM CREEK
0.5 MI E OF US-24, Wayne, MI
Built 2013 Load: 39.2 t ADT: 61,780
DELONG ROAD
GoodOver: ROCKY RIVER
1 MI SE OF HOWARDSVILLE, St. Joseph, MI
Built 2001 Load: 39.3 t ADT: 68
M-6 WB
GoodOver: RUSH CREEK
0.6 MI E OF WILSON AVE, Kent, MI
Built 2002 Load: 39.5 t ADT: 22,828
ROCKRIVER ROAD
GoodOver: ROCK RIVER
1.1 MI S OF M-28, Alger, MI
Built 2007 Load: 39.7 t ADT: 145
MASON ROAD
GoodOver: POTATO CREEK DRAIN
SEC 1-2 HAMILTON TWP, Gratiot, MI
Built 1994 Load: 39.7 t ADT: 77
COUNTY RD 400
GoodOver: FORTY SEVEN MILE CREEK
2.0 MI. SW OF PERRONVILLE, Menominee, MI
Built 1999 Load: 39.9 t ADT: 20
RMP, 8TH TO M-6 EB
GoodOver: RUSH CREEK
JAMETOWN TWP SEC 2, Ottawa, MI
Built 2002 Load: 39.9 t ADT: 6,600
BOLTON ROAD
GoodOver: MONAGHAN CREEK
0.4 MI N OF E CO RD 634, Presque Isle, MI
Built 2017 Load: 39.9 t ADT: 117
FORD BOULEVARD
GoodOver: MDOT RR CORRIDOR
YPSILANTI TWP SEC 11, Washtenaw, MI
Built 2013 Load: 39.9 t ADT: 16,513
ALVIN ROAD
GoodOver: DUVAL CREEK
3.7 S 1 MI W OF MIKADO, Alcona, MI
Built 1991 Load: 40.0 t ADT: 125
BOONE ROAD
GoodOver: SOUTH BR HOG CREEK
QUINCY TWP SEC 12, Branch, MI
Built 1989 Load: 40.0 t ADT: 210
CANTON CENTER ROAD
GoodOver: FELLOWS CREEK
CANTON N/FORD, Wayne, MI
Built 2001 Load: 40.2 t ADT: 30,266
COOK ROAD
GoodOver: DAWE DRAIN
0.2 MI. E. OF TORREY RD., Genesee, MI
Built 1998 Load: 40.5 t ADT: 389
I-69 BL
GoodOver: SAUK RIVER
IN COLDWATER, Branch, MI
Built 1929 Load: 40.8 t ADT: 6,063
200TH AVE
GoodOver: TRIB OF CUSHMAN CREEK
0.18 MI N OF MCKINLEY RD, Oceana, MI
Built 2002 Load: 40.8 t ADT: 100
VEHICLE ENTRANCE
GoodOver: BEAR CREEK
NEAR ARMY PK AUTO CMD, Macomb, MI
Built 2011 Load: 41.4 t ADT: 1,000
SPICERVILLE HWY
GoodOver: BATTLE CREEK RIVER
3 MI N OF DUTTONVILLE, Eaton, MI
Built 1991 Load: 41.5 t ADT: 332
Showing 851-900 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.