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
AA RR
UnknownOver: US-23 BR
IN ANN ARBOR N MAIN ST, Washtenaw, MI
Built 1951 ADT: 23,379
US-23NB, I-94BL
UnknownOver: PACKARD RD
IN ANN ARBOR (PACKARD RD), Washtenaw, MI
Built 1962 ADT: 26,560
PLYMOUTH-ANNARBOR
UnknownOver: US-23
IN ANN ARBOR, Washtenaw, MI
Built 1962 ADT: 70,540
8 MI RD
UnknownOver: US-23
AT LIVINGSTON CO LINE, Washtenaw, MI
Built 2017 ADT: 66,750
WILLOW RD
UnknownOver: US-23
2.1 MI N OF MONROE COL, Washtenaw, MI
Built 1962 ADT: 41,226
WILLIS RD
UnknownOver: US-23
3.5 MI S OF US-12, Washtenaw, MI
Built 1962 ADT: 56,800
US-12
UnknownOver: US-23
@ US-12, Washtenaw, MI
Built 2023 ADT: 54,548
PONTIAC TRAIL
UnknownOver: US-23 SB, M-14 EB
0.5 MI E OF W JCT M-14, Washtenaw, MI
Built 1962 ADT: 36,627
PONTIAC TRAIL
UnknownOver: US-23 NB, M-14 WB
0.5 MI E OF W JCT M-14, Washtenaw, MI
Built 1962 ADT: 36,627
NIXON RD
UnknownOver: US-23, M-14
2.0 MI NE OF ANN ARBOR, Washtenaw, MI
Built 1962 ADT: 73,254
M-14 EB
UnknownOver: RAMP B US-23
E JCT US-23 (OVER RAMP B), Washtenaw, MI
Built 1964 ADT: 4,200
M-14 EB
UnknownOver: EARHART RD
0.5 MI E OF US-23, Washtenaw, MI
Built 1964 ADT: 250
US-23 SB/M-14 EB
UnknownOver: M-14 W
@ W JCT US-23 (LOWER), Washtenaw, MI
Built 1962 ADT: 36,627
M-14 WB
UnknownOver: EARHART RD
0.5 MI E OF US-23, Washtenaw, MI
Built 1964 ADT: 250
CURTIS ROAD
UnknownOver: M-14
3 MI W OF WAYNE CO LINE, Washtenaw, MI
Built 1975 ADT: 51,334
JOY ROAD
UnknownOver: M-14
5.0 M SW OF PLYMOUTH, Washtenaw, MI
Built 1975 ADT: 51,334
GOTFREDSON ROAD
UnknownOver: M-14
4.0 MI W OF PLYMOUTH, Washtenaw, MI
Built 1975 ADT: 55,818
NOTTEN RD
UnknownOver: I-94
0.4 MI E OF JACKSON COL, Washtenaw, MI
Built 1960 ADT: 45,876
I-94 WB
UnknownOver: DANCER RD
4.5 MI E OF M-52, Washtenaw, MI
Built 1961 ADT: 490
ZEEB RD
UnknownOver: I-94
1.5 MI W OF M-14, Washtenaw, MI
Built 2002 ADT: 77,206
M-14 EB
UnknownOver: I-94 WB
2.0 MI NW OF ANN ARBOR, Washtenaw, MI
Built 1966 ADT: 23,119
JACKSON AV WB,94BR
UnknownOver: I-94 RAMP
0.5 MI W OF I-94 BL, Washtenaw, MI
Built 1960 ADT: 9,998
MILLER RD
UnknownOver: M-14
1.3 MI NE OF I-94, Washtenaw, MI
Built 1966 ADT: 39,963
NEWPORT RD
UnknownOver: M-14
IN ANN ARBOR, Washtenaw, MI
Built 1966 ADT: 39,963
M-14
UnknownOver: US-23 BR HURON RIVER DRV
IN ANN ARBOR, Washtenaw, MI
Built 2000 ADT: 22,036
HURON PARKWAY
UnknownOver: HURON RV,GEDDES & NFS RR
1.0 MI W OF US-23, Washtenaw, MI
Built 1968 ADT: 11,500
ECORSE RD WB
UnknownOver: US-12 EB
4.8 MI E OF YPSILANTI, Wayne, MI
Built 2005 ADT: 7,282
I-94 WB
UnknownOver: HANNAN RD
3 MI E OF BELLEVILLE, Wayne, MI
Built 1972 ADT: 4,500
I-94 WB
UnknownOver: WAYNE RD
4.3 MI W OF TAYLOR, Wayne, MI
Built 1962 ADT: 21,170
I-94 WB
UnknownOver: MERRIMAN RD
1.9 MI W OF TAYLOR, Wayne, MI
Built 1993 ADT: 30,900
I-94 WB
UnknownOver: MIDDLEBELT RD
1.2 MI W OF TAYLOR, Wayne, MI
Built 1993 ADT: 17,700
I-94 EB
UnknownOver: ECORSE RD
IN TAYLOR,OVER ECORSE RD, Wayne, MI
Built 1962 ADT: 24,300
I-94 WB
UnknownOver: ECORSE RD
IN TAYLOR,OVER ECORSE RD, Wayne, MI
Built 1962 ADT: 24,300
I-94 EB
UnknownOver: BEECH-DALY RD
IN TAYLOR,OVER BEECH-DALY, Wayne, MI
Built 1962 ADT: 8,500
I-94 EB
UnknownOver: US-24 (TELEGRAPH RD)
IN TAYLOR,US-24, Wayne, MI
Built 2004 ADT: 64,724
I-94 EB
UnknownOver: MONROE BLVD
IN TAYLOR OVER MONROE BLV, Wayne, MI
Built 2004 ADT: 12,000
I-94 WB
UnknownOver: MONROE BLVD
IN TAYLOR OVER MONROE BLV, Wayne, MI
Built 2004 ADT: 12,000
I-94 WB
UnknownOver: OUTER DR
IN ALLEN PARK, Wayne, MI
Built 1996 ADT: 28,100
SCHAEFER HWY
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1978 ADT: 87,186
RAMP FROM US-12EB
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1948 ADT: 98,308
US-12 (MICHIGAN AV
UnknownOver: I-94 RAMP
IN DEARBORN, Wayne, MI
Built 1944 ADT: 22,000
US-12 (MICHIGAN AV
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1948 ADT: 98,308
RAMP TO US-12
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1948 ADT: 84,050
WYOMING AVE
UnknownOver: I-94
W LTS OF DETROIT, Wayne, MI
Built 1949 ADT: 94,864
I-94 EB RMP
UnknownOver: PELHAM ROAD
E OF PELHAM S OF I-94, Wayne, MI
Built 1984 ADT: 3,500
M-39 SB RAMP K
UnknownOver: I-94
IN ALLEN PARK, Wayne, MI
Built 1984 ADT: 89,000
I-94 EB
UnknownOver: M-39
IN ALLEN PARK, Wayne, MI
Built 1984 ADT: 59,978
CONRAIL
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1945 ADT: 87,186
CSX RR
UnknownOver: I-94
IN DEARBORN, Wayne, MI
Built 1944 ADT: 98,308
NS RR
UnknownOver: M-39 & I-94 RAMPS
S OF I-94 EB, Wayne, MI
Built 1984 ADT: 59,978
Showing 101-150 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.