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
SAVANNAH AVENUE
UnknownOver: I-75
IN DETROIT, Wayne, MI
Built 1967 ADT: 152,325
I-75N RMP WINCHEST
UnknownOver: I-75
IN DETROIT, Wayne, MI
Built 1967 ADT: 165,038
DEQUINDRE U-TURN
UnknownOver: I-75
IN DETROIT, Wayne, MI
Built 1969 ADT: 143,588
MEADE ST
UnknownOver: I-75
IN DETROIT, Wayne, MI
Built 1969 ADT: 166,750
CONRAIL & GTW RR
UnknownOver: I-75
IN DETROIT OVER I75 &W GD, Wayne, MI
Built 1968 ADT: 151,136
GTW RR
UnknownOver: I-75
IN DETROIT, Wayne, MI
Built 1969 ADT: 143,588
GTW RR
UnknownOver: I-75 RAMP
IN DETROIT I75 RAMP, Wayne, MI
Built 1971 ADT: 23,000
US-24-I-75 CONN SB
UnknownOver: RACHO RD
IN TAYLOR OVER RACHO RD, Wayne, MI
Built 1964 ADT: 2,762
US-24 I-75 CONN NB
UnknownOver: RACHO RD
IN TAYLOR OVER RACHO RD, Wayne, MI
Built 1964 ADT: 2,762
US-24,I-75 CONN SB
UnknownOver: US-24 NB
IN TAYLOR OVER US-24 NB, Wayne, MI
Built 1964 ADT: 12,478
WILL CARLETON RD
UnknownOver: I-275
WAYNE MONROE CO LINE, Wayne, MI
Built 1974 ADT: 44,518
WILLOW RD
UnknownOver: I-275
0.8 MI E OF WILLOW, Wayne, MI
Built 1974 ADT: 44,518
I-94 EB
UnknownOver: I-275 SB TO I-94 EB RAMP
IN ROMULUS, Wayne, MI
Built 1972 ADT: 8,100
NS RR
UnknownOver: I-275
IN ROMULUS (EAST), Wayne, MI
Built 1972 ADT: 70,806
NS RR
UnknownOver: I-275 EXIT RAMP F
IN ROMULUS, Wayne, MI
Built 1972 ADT: 5,900
I-275 NB
UnknownOver: VANBORN ROAD
2.2 MI W OF WAYNE, Wayne, MI
Built 1974 ADT: 6,768
I-275 NB
UnknownOver: MICHIGAN AVE(US-12)
3/4 MI W OF WAYNE C LTS, Wayne, MI
Built 1974 ADT: 54,744
WARREN RD
UnknownOver: I-275
3 MI SE OF PLYMOUTH, Wayne, MI
Built 1972 ADT: 127,518
M-14 ANN ARBOR RD
UnknownOver: I-275
0.5 MI W OF LIVONIA, Wayne, MI
Built 1972 ADT: 131,306
I-275 NB COLLECTOR
UnknownOver: M-14
0.3 MI W OF LIVONIA, Wayne, MI
Built 1971 ADT: 93,826
GTW RR
UnknownOver: EUREKA ROAD
WYANDOTTE W/JEFFERSON, Wayne, MI
Built 1927 ADT: 36,041
CONRAIL
UnknownOver: EUREKA ROAD
WYANDOTTE W/JEFFERSON, Wayne, MI
Built 1927 ADT: 36,041
GTW RR
UnknownOver: EUREKA ROAD
WYANDOTTE W/JEFFERSON, Wayne, MI
Built 1927 ADT: 36,041
GTW RR
UnknownOver: EUREKA ROAD
WYANDOTTE W/JEFFERSON, Wayne, MI
Built 1927 ADT: 36,041
CONRAIL
UnknownOver: SOUTHFIELD ROAD
ECORSE W/JEFFERSON, Wayne, MI
Built 1929 ADT: 36,754
CONRAIL
UnknownOver: SOUTHFIELD ROAD
ECORSE W/JEFFERSON, Wayne, MI
Built 1929 ADT: 36,754
ROTUNDA DRIVE
UnknownOver: SCHAEFER ROAD
DEARBORN N/I-94, Wayne, MI
Built 1932 ADT: 11,663
WARREN AVENUE
UnknownOver: E N HINES DRIVE
DBN HTS W/ANN ARBOR TRAIL, Wayne, MI
Built 1957 ADT: 16,370
PEDESTRIAN WALKWAY
UnknownOver: JOY ROAD
CANTON/PLYMOUTH E/I-275, Wayne, MI
Built 1974 ADT: 16,417
PEDESTRIAN WALKWAY
UnknownOver: ANN ARBOR TRAIL
PLYMOUTH @ SHELDON, Wayne, MI
Built 1975 ADT: 7,125
PLYMOUTH ROAD
UnknownOver: E N HINES DRIVE
PLYMOUTH TWP W/HAGGERTY, Wayne, MI
Built 1934 ADT: 7,192
SIX MILE ROAD
UnknownOver: EN HINES DRIVE
NORTHVILLE T W/NORTHV RD, Wayne, MI
Built 1933 ADT: 1,959
OUTER DRIVE
UnknownOver: MT OLIVET CEMETERY DR
DETROIT N/SIX MILE, Wayne, MI
Built 1946 ADT: 20
MERRIMAN ROAD
UnknownOver: E N HINES DRIVE
WESTLAND N/WARREN, Wayne, MI
Built 1951 ADT: 14,193
INKSTER ROAD
UnknownOver: E N HINES DRIVE
DBNHTS/WESTLDS/JOY, Wayne, MI
Built 1953 ADT: 15,190
CSX RR
UnknownOver: BEECH-DALY ROAD
REDFORD N/PLYMOUTH, Wayne, MI
Built 1954 ADT: 37,528
NORFOLK SOUTHRN RR
UnknownOver: PELHAM ROAD
ALLEN PK/TAYLOR S/I-94, Wayne, MI
Built 1940 ADT: 29,560
GREENFIELD ROAD
UnknownOver: CSX RR & FULLERTON RD
DETROIT N/I-96, Wayne, MI
Built 1970 ADT: 1,000
CONRAIL
UnknownOver: OUTER DRIVE
ECORSE W/JEFFERSON, Wayne, MI
Built 1939 ADT: 20,877
GTW RR
UnknownOver: OUTER DRIVE
ALLEN PK & MLVINDL S/I-94, Wayne, MI
Built 1931 ADT: 24,077
GTW RR
UnknownOver: SCHAEFER ROAD
RIVER ROUGE W/JEFFERSON, Wayne, MI
Built 1927 ADT: 19,921
CSX RR
UnknownOver: OAKMAN BLVD
DEARBORN S/FORD, Wayne, MI
Built 1931 ADT: 12,602
CSX RR
UnknownOver: MILLER ROAD
DEARBORN N/MICHIGAN, Wayne, MI
Built 1927 ADT: 7,511
GTW RR
UnknownOver: JOSEPH CAMPAU
HAMTRMCK N/HAMTRCK DRIVE, Wayne, MI
Built 1928 ADT: 6,985
CONRAIL
UnknownOver: JOSEPH CAMPAU
HAMTRMCK N/HAMTRCK DRIVE, Wayne, MI
Built 1928 ADT: 6,985
CONRAIL
UnknownOver: CONANT AVENUE
HAMTRAMCK S/HOLBROOK, Wayne, MI
Built 1936 ADT: 13,614
CONRAIL
UnknownOver: HAMTRAMCK DRIVE
HAMTRMCK W/JOS CAMPAU, Wayne, MI
Built 1983 ADT: 4,445
MDOT RR CORRIDOR
UnknownOver: NOWLIN RD
IN DEARBORN, Wayne, MI
Built 1967 ADT: 5,600
GRAND TRUNK RR
UnknownOver: EAGLE RD
IN DEARBORN, Wayne, MI
Built 1925 ADT: 11,060
C & O RAILROAD (W)
UnknownOver: SOUTHERN AVENUE
IN DEARBORN, Wayne, MI
Built 1930 ADT: 2,600
Showing 351-400 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.