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
MARATHON ROAD
GoodOver: FLINT RIVER
VILLAGE OF COLUMBIAVILLE, Lapeer, MI
Built 2015 Load: 53.8 t ADT: 1,491
MERRIMAN ROAD
GoodOver: TARABUSI DRAIN
LIVONIA S/SEVEN MILE, Wayne, MI
Built 2022 Load: 53.8 t ADT: 21,637
IRR BIA RTE 1214
GoodOver: PEAVINE CREEK
EDWARDS STREET, Cass, MI
Built 2008 Load: 53.9 t ADT: 25
W KAREN LAKE RD
GoodOver: E BR AUSABLE RIVER
0.1 MI E OF BOBCAT TRAIL, Crawford, MI
Built 2016 Load: 54.4 t ADT: 50
NO DATA ENTERED
GoodOver: PINE RIVER
NO DATA ENTERED, Alcona, MI
Built 2011 Load: 54.8 t ADT: 100
BERRY RD
GoodOver: GRAND RIVER
3 MI E OF RIVES JUNCTION, Jackson, MI
Built 2011 Load: 54.8 t ADT: 2,500
LOOMIS ROAD
GoodOver: TUTTLEVILLE DRAIN
SEC 26-35 AKRON TWP, Tuscola, MI
Built 1980 Load: 54.8 t ADT: 133
I-275 RAMP
GoodOver: MCCLAUGHERY DRAIN
1 MI SW OF WAYNE, Wayne, MI
Built 1974 Load: 54.8 t ADT: 4,160
STURGEON AVENUE
GoodOver: NEWELL DRAIN
LARKIN TWP SEC 29/30, Midland, MI
Built 2019 Load: 55.1 t ADT: 3,328
11 MILE RD
GoodOver: NOVI-LYON DRAIN
LYON TWP SEC 14/23, Oakland, MI
Built 2021 Load: 55.1 t ADT: 140
NORTH POINT DRIVE
GoodOver: LAUGHING WHITEFISH RIVER
1.5 MI N OF DEERTON, Alger, MI
Built 2006 Load: 55.7 t ADT: 50
REMUS ROAD
GoodOver: ONION CREEK
400 FT E OF WISE ROAD, Isabella, MI
Built 2019 Load: 55.7 t ADT: 101
AUSTIN ROAD
GoodOver: SALINE RIVER
SALINE TWP SEC 4, Washtenaw, MI
Built 2015 Load: 55.7 t ADT: 3,335
I-75 SB
GoodOver: GTW RR
IN WOODHAVEN, Wayne, MI
Built 2006 Load: 55.7 t ADT: 36,248
ALLEN ROAD
GoodOver: BROWNSTOWN CREEK
BROWNSTOWN S/VREELAND, Wayne, MI
Built 2020 Load: 55.7 t ADT: 14,720
MOHRLE ROAD
GoodOver: CONWAY COHOCTAH DRAIN
CONWAY TWP SEC 10-11, Livingston, MI
Built 2007 Load: 56.1 t ADT: 1,909
WEST CO LINE RD
GoodOver: TAMARACK CREEK
0.5 MI NORTH OF M-82, Montcalm, MI
Built 2021 Load: 56.1 t ADT: 1,394
BEECH-DALY ROAD
GoodOver: MIDDLE ROUGE RIVER
DBN HTS N/WARREN, Wayne, MI
Built 1953 Load: 56.4 t ADT: 24,549
MAPLE POINT RD
GoodOver: MOLASSES RIVER
250 FT W OF FORNIER RD, Gladwin, MI
Built 2022 Load: 56.7 t ADT: 250
WILSON DRIVE
GoodOver: E FORK SAND CREEK
0.17 MI N OF 3 MILE ROAD, Kent, MI
Built 1996 Load: 57.0 t ADT: 800
E CR 638
GoodOver: GRAND LAKE OUTLET
0.75 MI E OF US-23, Presque Isle, MI
Built 2018 Load: 57.0 t ADT: 718
WEST RIVER ROAD
GoodOver: BLACK CREEK
JEROME TWP SEC 11, Midland, MI
Built 2016 Load: 57.3 t ADT: 350
SUCKER CREEK ROAD
GoodOver: BLACK RIVER
0.64 MI W OF US-23, Alcona, MI
Built 2012 Load: 57.7 t ADT: 100
M-140
GoodOver: PAW PAW LAKE OUTLET
1.7 MI N OF WATERVLIET, Berrien, MI
Built 1958 Load: 57.7 t ADT: 4,525
DAVID HWY
GoodOver: LIBHART CREEK
2 MI S OF IONIA 4.6 MI E, Ionia, MI
Built 2016 Load: 57.7 t ADT: 1,550
CR380 20TH AVE
GoodOver: CEDAR CREEK
0.25 MI EAST OF M-43, Van Buren, MI
Built 2015 Load: 58.3 t ADT: 1,925
WEST BRIDGE STREET
GoodOver: ROGUE RIVER
100 FT E OF RIVER ST, Kent, MI
Built 2002 Load: 59.6 t ADT: 3,300
PICKEREL LAKE ROAD
GoodOver: MINNEHAHA CREEK
SPRINGVALE TWP SEC 5, Emmet, MI
Built 2018 Load: 60.3 t ADT: 1,660
OLD M-20 (ECHO DR)
GoodOver: ROBINSON CREEK
AT BINGHAM AVE & ECHO RD, Newaygo, MI
Built 2023 Load: 60.3 t ADT: 2,377
FISHING LOOP
GoodOver: J TO H SPILLWAY
SEC 18 T45N R13W, Schoolcraft, MI
Built 1943 Load: 60.8 t ADT: 50
NORTHROP STREET
GoodOver: CHRISTIANA CREEK
0.25 MI E OF CHAIN LK ST, Cass, MI
Built 2008 Load: 61.2 t ADT: 143
DATE ROAD
GoodOver: KEELO CREEK
2 MI S OF STEVENSVILLE, Berrien, MI
Built 2014 Load: 61.6 t ADT: 462
M-100
GoodOver: SHARP DRAIN
3.6 MI N OF POTTERVILLE, Eaton, MI
Built 2016 Load: 62.2 t ADT: 5,425
WASHINGTON ROAD
GoodOver: BAD RIVER
SEC 34 LAFAYETTE TWP, Gratiot, MI
Built 2012 Load: 62.2 t ADT: 667
POINT MILLS RD
GoodOver: GOOSENECK CREEK
DOLLAR BAY, Houghton, MI
Built 2021 Load: 62.5 t ADT: 1,778
I-275 NB
GoodOver: MCCLAUGHREY DRAIN
1 MI SW OF WAYNE, Wayne, MI
Built 1974 Load: 62.5 t ADT: 44,965
SUMMERTON ROAD
GoodOver: LEWIS DRAIN
0.6 MI S OF WEIDMAN ROAD, Isabella, MI
Built 2014 Load: 62.9 t ADT: 185
BANWELL RD
GoodOver: CEDAR CREEK
0.63 MI S OF PARKE RD, Emmet, MI
Built 2021 Load: 63.8 t ADT: 700
ROBINSON RD
GoodOver: MAPLE RIVER
1.6 MI E OF PELLSTON, Emmet, MI
Built 2022 Load: 63.8 t ADT: 2,394
HAMLIN ROAD E BD
GoodOver: CLINTON RIVER
BET SQUIRREL AND ADAMS, Oakland, MI
Built 1989 Load: 63.8 t ADT: 6,000
I-75
GoodOver: LITTLE LAKE CREEK
540 FT N OF RAMP B, Monroe, MI
Built 2020 Load: 65.1 t ADT: 58,900
BAY CITY-FORESTVIL
GoodOver: WISCOGGIN DRAIN
SEC 6-7 COLUMBIA TWP, Tuscola, MI
Built 2018 Load: 65.8 t ADT: 1,854
GULLEY ROAD
GoodOver: ECORSE CREEK
IN DEARBORN HEIGHTS, Wayne, MI
Built 1958 Load: 66.1 t ADT: 9,000
TTP BIA 1011
GoodOver: ONION CREEK
SAGINAW CHIPPEWA RES., Isabella, MI
Built 2021 Load: 66.7 t
M-153
GoodOver: FELLOWS CREEK
3.3 MI E OF WASHTENAW COL, Wayne, MI
Built 2006 Load: 66.7 t ADT: 25,833
BLAKELY ROAD
GoodOver: EAST BR. PIGEON RIVER
SEC. 14 GRANT TWP., Huron, MI
Built 2017 Load: 67.4 t ADT: 62
2ND STREET
GoodOver: GUN RIVER
APPROX 1/4 MI N OF 112TH, Allegan, MI
Built 2012 Load: 70.0 t ADT: 580
M-123
GoodOver: BLACK CREEK
3.1 MI S OF PARADISE, Chippewa, MI
Built 2018 Load: 70.3 t ADT: 1,200
AAA ROAD
GoodOver: SALMON TROUT RIVER
CHAMPION TWP SEC 4, Marquette, MI
Built 2014 Load: 70.6 t ADT: 1,400
GARLOCK ROAD
GoodOver: BUTTERNUT CREEK
BLOOMER TWP SEC 11, Montcalm, MI
Built 2016 Load: 71.3 t ADT: 850
Showing 1,001-1,050 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.