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
MUSKEGON ROAD
GoodOver: MUSKEGON RIVER
SEC 10 SUMMERFIELD TWP, Clare, MI
Built 2008 Load: 15.2 t ADT: 880
FOREST ROAD 3470
GoodOver: SOUTH BRANCH PAINT RIVER
1.5 MI NW OF BEECHWOOD, Iron, MI
Built 1952 Load: 15.9 t ADT: 50
FOREST ROAD 2276
GoodOver: SILVER RIVER
6.5 MI S OF ALSTON, Houghton, MI
Built 1954 Load: 16.2 t ADT: 50
ELLISON ROAD
GoodOver: HOLMES & SPEARS DRAIN
0.25 MI W OF JOHNSON RD, Ionia, MI
Built 2014 Load: 16.8 t ADT: 250
AUTO TOUR ROUTE
GoodOver: E TO C SPILLWAY
SEC 20 T45N R13W, Schoolcraft, MI
Built 1952 Load: 17.2 t ADT: 90
STAPLETON ROAD
GoodOver: UNNAMED CREEK
SEC. 31 KENOCKEE TWP., St. Clair, MI
Built 2013 Load: 18.1 t ADT: 174
SHEARER RD
GoodOver: HOWLAND CREEK
120 RODS S OF M-61, Gladwin, MI
Built 1985 Load: 19.6 t ADT: 286
DASSEY RD
GoodOver: S BR LITTLE SUGAR RIVER
110 RODS S OF SOUTHWELL, Gladwin, MI
Built 1994 Load: 19.6 t ADT: 184
KEYSTONE ROAD N
GoodOver: GLC RR
0.1 MI N OF HAMMOND ROAD, Grand Traverse, MI
Built 2009 Load: 19.6 t ADT: 5,348
WARFIELD RD FH5231
GoodOver: PETERSON CREEK
0.7 MI N OF PETERSON TRL, Manistee, MI
Built 2012 Load: 19.8 t ADT: 200
NO 12 ROAD
GoodOver: MANTON CREEK
SECTION 29/32 T24N R9W, Wexford, MI
Built 2002 Load: 21.4 t ADT: 120
I-75 RAMP C
GoodOver: FRANK & POET DRAIN
IN TAYLOR, Wayne, MI
Built 1966 Load: 22.0 t ADT: 40,584
DENTON ROAD
GoodOver: FOWLER CREEK
CANTON N/GEDDES, Wayne, MI
Built 2001 Load: 24.0 t ADT: 352
BRYAN J DRIVE
GoodOver: CHANNEL OF HOUGHTON LK
DENTON TWP SEC 2, Roscommon, MI
Built 1975 Load: 24.3 t ADT: 300
PLANK RD
GoodOver: HAZEN CREEK
0.2 MI W OF BENNER HWY, Lenawee, MI
Built 1979 Load: 24.6 t ADT: 168
TWO MILE RD, 9TH
GoodOver: BIG CREEK
VILLAGE OF MORLEY, Mecosta, MI
Built 2010 Load: 24.6 t ADT: 30
MORTENVIEW DRIVE
GoodOver: SEXTON-KILFOIL DRAIN
IN TAYLOR, Wayne, MI
Built 1999 Load: 24.6 t ADT: 3,935
WAGNER-TAYLOR DM R
GoodOver: WEST BR FOX RIVER
10 MI NW OF SENEY, Schoolcraft, MI
Built 2019 Load: 24.9 t ADT: 10
DNR TRAIL 440
GoodOver: FOX RIVER
5.5 MI W OF LAVENDER CRNR, Schoolcraft, MI
Built 2019 Load: 24.9 t ADT: 5
TIN SHANTY ROAD
GoodOver: BLACK RIVER
2 MI S OF STURGEON VALLEY, Otsego, MI
Built 1999 Load: 25.6 t ADT: 150
CLEVELAND RD
GoodOver: BRAYTON CREEK
0.18 MI W OF 200TH AVE, Oceana, MI
Built 2015 Load: 25.9 t ADT: 400
20TH STREET
GoodOver: SCHNABLE BROOK
0.08 MI S OF 112TH AVENUE, Allegan, MI
Built 2014 Load: 26.2 t ADT: 50
FOREST ROAD 6930
GoodOver: SISSON LILLEY CREEK
5.5 MI S OF MATCHWOOD, Gogebic, MI
Built 2003 Load: 26.6 t ADT: 50
M-59
GoodOver: CLINTON RIVER
4.0 MI W OF PONTIAC, Oakland, MI
Built 1965 Load: 26.6 t ADT: 37,281
PENNSYLVANIA ROAD
GoodOver: FRANK & POET DRAIN
RIVERVIEW/STHGATE E/ALLEN, Wayne, MI
Built 2004 Load: 26.7 t ADT: 16,154
FIVE MILE ROAD
GoodOver: UPPER ROUGE RIVER
REDFORD E/BEECH-DALY, Wayne, MI
Built 1978 Load: 26.9 t ADT: 19,861
IONIA ROAD
GoodOver: SHANTY BROOK
2.5 MI N OF KALAMO, Eaton, MI
Built 1987 Load: 27.5 t ADT: 938
POYHONEN ROAD
GoodOver: MISERY RIVER
1.5 NW/M-26 NEAR WYANDOTT, Houghton, MI
Built 2004 Load: 27.9 t ADT: 5
MURPHY CREEK ROAD
GoodOver: MURPHY CREEK
1.1 MI E OF M-123, Luce, MI
Built 2023 Load: 28.2 t ADT: 5
CR 687
GoodOver: HOWLETT & CONKLIN DRAIN
0.14 MI S OF 62ND AVE, Van Buren, MI
Built 2022 Load: 28.5 t ADT: 2,913
THUMB LAKE ROAD
GoodOver: N BR BOYNE RIVER
0.7 MI E OF BOYNE FALLS, Charlevoix, MI
Built 2003 Load: 28.8 t ADT: 2,545
CHALMERS RD
GoodOver: PITTSFIELD ANN ARBOR DRN
ANN ARBOR TWP SEC 35, Washtenaw, MI
Built 1951 Load: 29.0 t ADT: 350
BATTLE ROAD
GoodOver: N BR SALT RIVER
650 FT E LOOMIS ROAD, Isabella, MI
Built 2021 Load: 29.5 t ADT: 50
COUNTY ROAD EXTN
GoodOver: BLACK RIVER
0.5 MI W OF CR 581, Marquette, MI
Built 2021 Load: 29.5 t ADT: 10
CHAPIN RD
GoodOver: LAMB CREEK
CHAPIN TWP SEC 35/36, Saginaw, MI
Built 2005 Load: 29.5 t ADT: 560
ISLAND DRIVE
GoodOver: TRAVER CREEK
0.75 MI E OF US-23 BR, Washtenaw, MI
Built 1962 Load: 29.5 t ADT: 959
US-24 NB
GoodOver: ECORSE CREEK
IN DEARBORN HTS, Wayne, MI
Built 1987 Load: 29.8 t ADT: 34,063
M-59 WB
GoodOver: MIDDLE BR CLINTON RIVER
4.2 MILES E OF M-53, Macomb, MI
Built 1996 Load: 30.8 t ADT: 31,800
28TH AVENUE
GoodOver: BRANDWINE CREEK
WAVERLY TWP SEC 3/10, Van Buren, MI
Built 2005 Load: 30.8 t ADT: 208
63RD AVE
GoodOver: E BR PAW PAW RIVER
0.19 MI NE OF DRAPE RD, Van Buren, MI
Built 2019 Load: 31.1 t ADT: 225
HAGGERTY ROAD
GoodOver: TONQUISH CREEK
CANTON N/WARREN, Wayne, MI
Built 1974 Load: 31.1 t ADT: 5,580
OLD US-41
GoodOver: LATERAL CREEK
100 FT S OF US-41/M-28, Baraga, MI
Built 2022 Load: 32.1 t ADT: 10
SHABBONA ROAD
GoodOver: WHITE CREEK I/C DRAIN
SEC 19-30 NOVESTA TWP, Tuscola, MI
Built 1972 Load: 32.1 t ADT: 335
US-24
GoodOver: SMITH CREEK
1.7 MI NE OF FLATROCK, Wayne, MI
Built 2011 Load: 32.1 t ADT: 27,700
NO 14 ROAD
GoodOver: MANTON CREEK
SECTION 33 T24N R9W, Wexford, MI
Built 2001 Load: 32.1 t ADT: 980
IRR BIA RTE 1
GoodOver: DRAINAGE TO SHUNK CREEK
SAULT STE MARIE RES., Chippewa, MI
Built 2002 Load: 32.4 t ADT: 60
IRR BIA RTE 1
GoodOver: DRAINAGE TO SHUNK CREEK
SAULTE STE MARIE RES., Chippewa, MI
Built 2002 Load: 32.4 t ADT: 60
EB METRO PARKWAY
GoodOver: CLINTON RIVER SPILLWAY
0.02 MI E OF UNION LAKE, Macomb, MI
Built 1964 Load: 32.4 t ADT: 14,905
128TH STREET
GoodOver: ROGUE RIVER
4.5 MI E OF M-37, Newaygo, MI
Built 2012 Load: 32.4 t ADT: 588
BLMFLD HILLS PKWY
GoodOver: ROUGE RIVER TRIB /N CULV
IN BLOOMFIELD HILLS, Oakland, MI
Built 1975 Load: 32.4 t ADT: 3,000
Showing 751-800 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.