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

Total Bridges

1,188

Public highway bridges in Michigan

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

Michigan45.3%40.5%14.2%GoodFairPoor
Bridge inventory deck-condition mix - Michigan (FHWA NBI)

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
Structure
Progressive
Burden @ $100K
$5,314

MO

Missouri

8.53% top marginal rate
Structure
Progressive
Burden @ $100K
$24,654
Selected

MI

Michigan

8.92% top marginal rate
Structure
Progressive
Burden @ $100K
$1,188

AK

Alaska

10.12% top marginal rate
Structure
Progressive
Burden @ $100K
$909

PA

Pennsylvania

10.50% top marginal rate
Structure
Progressive
Burden @ $100K
$14,867

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

Poor

Over: 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

Poor

Over: MANISTEE RIVER

SECTION 28 T24N R11W, Wexford, MI

Built 1906 Load: 2.9 t ADT: 106

PARKE LANE ROAD

Poor

Over: THOROFARE CH(GROSSE ILE)

GROSSE ILETWP S/BRIDGE ST, Wayne, MI

Built 1930 Load: 3.2 t ADT: 1,365

STREICHER ROAD

Poor

Over: SILVER CREEK

BROWNSTOWN S/HURON RIV DR, Wayne, MI

Built 1936 Load: 7.8 t ADT: 253

REECK ROAD

Poor

Over: SEXTON-KILFOIL DRAIN

IN ALLEN PARK, Wayne, MI

Built 1960 Load: 7.8 t ADT: 5,600

LOG ROAD

Poor

Over: SOUTH BR SWAN CREEK

BETHEL TWP SEC 8, Branch, MI

Built 1982 Load: 8.1 t ADT: 110

All Bridges in Michigan

WHITTAKER ROAD

Good

Over: PAINT CREEK

AUGUSTA TWP SEC 9 & 10, Washtenaw, MI

Built 2007 Load: 47.2 t ADT: 3,400

NORTH DIXIE HWY

Good

Over: LITTLE SWAN CREEK

0.6 MI S OF SWAN CREEK RD, Monroe, MI

Built 2002 Load: 47.3 t ADT: 5,090

DRAKE ROAD

Good

Over: MINNOW POND DRAIN

0.35 MI N OF 13 MILE ROAD, Oakland, MI

Built 2016 Load: 47.3 t ADT: 9,550

I-275 SB ON RAMP

Good

Over: MCCLAUGHREY DRAIN

1 MI SW OF WAYNE, Wayne, MI

Built 1974 Load: 47.3 t ADT: 4,460

SUMMERTON ROAD

Good

Over: LITTLE SALT RIVER

0.5 MI S OF COE RD, Isabella, MI

Built 2007 Load: 47.7 t ADT: 45

S SALT POINT RD

Good

Over: E BR TAHQUAMENON RIVER

0.44 MI N OF M-28, Chippewa, MI

Built 2010 Load: 48.0 t ADT: 94

CR 669

Good

Over: SHALDA CREEK

0.24 MI N OF M-22, Leelanau, MI

Built 2020 Load: 48.0 t ADT: 700

WIXOM ROAD

Good

Over: HURON RIVER

NORTH OF GARDEN, Oakland, MI

Built 2018 Load: 48.0 t ADT: 9,900

FR 210

Good

Over: NUTHATCH CREEK

4.4 MILES NORTH OF M-28, Ontonagon, MI

Built 2010 Load: 48.0 t ADT: 6

DUNLOP RD

Good

Over: LITTLE TOBACCO DRAIN

0.34 MI W OF N MCEWAN ST, Clare, MI

Built 2022 Load: 48.6 t ADT: 50

GODDARD ROAD

Good

Over: SEXTON KILFOIL DRAIN

ALLEN PARK E/OLD GODDARD, Wayne, MI

Built 2021 Load: 48.6 t ADT: 8,664

SOUTH MINGES ROAD

Good

Over: MINGES BROOK

500 FT N OF ABRAM AVE, Calhoun, MI

Built 2014 Load: 48.9 t ADT: 3,000

WEIDMAN ROAD

Good

Over: NORTH BR CHIPPEWA RIVER

0.4M E NW COR SEC 24 T15N, Isabella, MI

Built 2000 Load: 49.1 t ADT: 1,275

BEARD RD

Good

Over: NEAL DRAIN

0.1 MI EAST OF BLIVEN RD, Shiawassee, MI

Built 2007 Load: 49.2 t ADT: 927

LOTZ ROAD

Good

Over: FELLOWS CREEK

CANTON N/PALMER, Wayne, MI

Built 1981 Load: 49.2 t ADT: 1,586

FORD RD

Good

Over: BROWNSTOWN CREEK

200 FT N OF VAN HORN RD, Wayne, MI

Built 2017 Load: 49.2 t ADT: 200

HURON RIVER DRIVE

Good

Over: HURON RIVER

SCIO TWP SECTION 11, Washtenaw, MI

Built 1994 Load: 49.4 t ADT: 3,534

DUPONT RD (OMA)

Good

Over: MONTREAL RIVER

IRONWOOD/OMA (WIS), Gogebic, MI

Built 2003 Load: 49.6 t ADT: 100

VAN HORN ROAD

Good

Over: SMITH CREEK

BROWNSTOWN E/ARSENAL, Wayne, MI

Built 2017 Load: 49.6 t ADT: 8,920

M-6 EB

Good

Over: RUSH CREEK

0.6 MI E OF WILSON AVE, Kent, MI

Built 2002 Load: 49.9 t ADT: 22,828

I-696

Good

Over: MINNOW POND DRAIN

0.5 MI E OF FARMINGTON RD, Oakland, MI

Built 2023 Load: 49.9 t ADT: 129,433

MONROE ROAD

Good

Over: NEWELL DRAIN

LARKIN TWP SEC 20/29, Midland, MI

Built 2020 Load: 50.2 t ADT: 2,317

ELMWOOD ROAD

Good

Over: WISCOGGIN DRAIN

SEC 31 COLUMBIA TWP, Tuscola, MI

Built 2013 Load: 50.2 t ADT: 202

OTIS ROAD

Good

Over: COLDWATER RIVER

OVID TWP SEC 16, Branch, MI

Built 1999 Load: 50.5 t ADT: 33

M-6 EB C-D

Good

Over: NORFOLK SOUTHERN RR

BYRON TWP SEC 1, Kent, MI

Built 2000 Load: 50.5 t ADT: 15,300

WATTLES ROAD

Good

Over: ROUGE RIVER

0.4 MI E OF ADAMS ROAD, Oakland, MI

Built 1957 Load: 50.5 t ADT: 8,500

SCENIC DRIVE

Good

Over: DUCK LAKE CHANNEL

OUTLET OF DUCK LAKE, Muskegon, MI

Built 2004 Load: 50.8 t ADT: 1,850

I-196 EB/US-31 NB

Good

Over: KUIPERS DRAIN

AT JCT OF US-31NB&I-196EB, Allegan, MI

Built 2012 Load: 50.9 t ADT: 6,700

EDGEWATER DRIVE

Good

Over: PAW PAW RIVER

BENTON HARBOR/ST JOSEPH, Berrien, MI

Built 2004 Load: 50.9 t ADT: 4,000

D DRIVE N

Good

Over: HARPER CREEK

500 FT W OF 8 MI RD, Calhoun, MI

Built 2019 Load: 50.9 t ADT: 1,200

FISH LAKE RD

Good

Over: SHIAWASSEE RIVER

HOLLY TWP SEC 29/28, Oakland, MI

Built 2022 Load: 50.9 t ADT: 3,780

SHAYS LAKE ROAD

Good

Over: SUCKER CREEK DRAIN

SEC 11-14 DAYTON TWP, Tuscola, MI

Built 2018 Load: 50.9 t ADT: 480

INDIAN TRAIL

Good

Over: POLLY ANN TRAIL

IN SUBDIVISION SEC 3, Oakland, MI

Built 1999 Load: 51.0 t ADT: 500

GARDNER RD

Good

Over: S BR FLINT RIVER

0.25 MI N OF E BROCKER RD, Lapeer, MI

Built 2021 Load: 51.5 t ADT: 100

M-89

Good

Over: KALAMAZOO RIVER OVERFLOW

6.0 MI E OF FENNVILLE, Allegan, MI

Built 1952 Load: 51.8 t ADT: 4,275

I-75

Good

Over: LANE DRAIN

I-75, Oakland, MI

Built 2020 Load: 51.8 t ADT: 103,878

M-231

Good

Over: BEELINE DRAIN

2.5 MI N OF M-45, Ottawa, MI

Built 2015 Load: 51.8 t ADT: 5,750

DENNISON ROAD

Good

Over: SALINE RIVER

YORK TWP SEC 28, Washtenaw, MI

Built 1965 Load: 51.8 t ADT: 1,049

WAVELAND RD

Good

Over: MILLIGAN CREEK

500 FT N OF W BRADY RD, Cheboygan, MI

Built 2018 Load: 52.2 t ADT: 50

W BRADY RD

Good

Over: MILLIGAN CREEK

0.8 MI E OF ETHINGTON RD, Cheboygan, MI

Built 2018 Load: 52.2 t ADT: 50

BENSCH RD

Good

Over: MID BR TITTABAWASSE RIV

0.68 MI S OF M-30, Gladwin, MI

Built 2022 Load: 52.2 t ADT: 450

COLONIAL ROAD

Good

Over: MARQUETTE RAILROAD

ASHLAND TWP SEC 1, Newaygo, MI

Built 2019 Load: 52.5 t ADT: 500

SALO RD

Good

Over: LILY CREEK

0.38 MI S OF WAASA RD, Houghton, MI

Built 2018 Load: 52.8 t ADT: 296

INSELRUHE AVE

Good

Over: NASHUA CANAL

BELLE ISLE, Wayne, MI

Built 1999 Load: 52.8 t ADT: 308

JENNINGS ROAD

Good

Over: SWARTZ CREEK

BET HILL ROAD & MAPLE AVE, Genesee, MI

Built 2017 Load: 53.1 t ADT: 230

US-23 NB

Good

Over: MDOT RR CORRIDOR

0.5 MI S OF LIVINGSTON CO, Washtenaw, MI

Built 2017 Load: 53.1 t ADT: 33,375

I-275 SB

Good

Over: CSX RR

IN ROMULUS, Wayne, MI

Built 1973 Load: 53.1 t ADT: 35,403

CARTER RD

Good

Over: GILCHRIST CREEK

0.28 MI E OF M-33, Montmorency, MI

Built 2021 Load: 53.5 t ADT: 150

SHARON VALLEY ROAD

Good

Over: RIVER RAISIN

SHARON TWP SEC 31, Washtenaw, MI

Built 2019 Load: 53.5 t ADT: 997

MCKINLEY RD(C 600)

Good

Over: CHERRY CREEK

MENTOR TWP SEC 5, Oscoda, MI

Built 2003 Load: 53.7 t ADT: 1,430

Showing 951-1,000 of 1,188 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.