Total Bridges
1,188
Public highway bridges in Michigan
State profile · Above median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Michigan, based on the FHWA National Bridge Inventory.
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%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
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
MO
MI
AK
PA
Six lowest-condition bridges in Michigan, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: S BR PINE RIVER
0.5 MI W OF NINE MILE RD, Bay, MI
Over: MANISTEE RIVER
SECTION 28 T24N R11W, Wexford, MI
Over: THOROFARE CH(GROSSE ILE)
GROSSE ILETWP S/BRIDGE ST, Wayne, MI
Over: SILVER CREEK
BROWNSTOWN S/HURON RIV DR, Wayne, MI
Over: SEXTON-KILFOIL DRAIN
IN ALLEN PARK, Wayne, MI
Over: SOUTH BR SWAN CREEK
BETHEL TWP SEC 8, Branch, MI
Over: FOREST DRAIN
0.1 MI S OF OTTER LK RD, Lapeer, MI
Over: PINE RIVER
SEC 27 ST CLAIR TWP, St. Clair, MI
Over: ROUGE RIVER
IN DEARBORN, Wayne, MI
Over: PIPESTONE CREEK
7.2 MI N OF OLD US-31, Berrien, MI
Over: SOUTH BR TOBACCO RIVER
SEC 30-31 SHERIDAN TWP, Clare, MI
Over: S BR AU SABLE RIVER
4.4 MI W OF OSCODA COL, Crawford, MI
Over: IRON RIVER
IN CASPIAN, Iron, MI
Over: S BR BLACK RIVER
2.5 MI E OF SOUTH HAVEN, Van Buren, MI
Over: SALINE RIVER
YORK TWP SECTION 34 & 35, Washtenaw, MI
Over: N BR BLACK RIVER
IN HOLLAND, Allegan, MI
Over: INDIAN CREEK
LEE TWP SEC 6, Calhoun, MI
Over: TOBACCO RIVER
175 RODS E OF M18, Gladwin, MI
Over: TAMARACK RIVER
8 MI NE OF WATERSMEET, Gogebic, MI
Over: CSX RR
1M E OF I-275 IN WESTLAND, Wayne, MI
Over: MIDDLE ROUGE RIVER
NORTHVILLE E/SHELDON, Wayne, MI
Over: TEN MILE CREEK
1 MI SE OF PERRONVILLE, Menominee, MI
Over: CUT RIVER
MARKEY TWP SEC 10, Roscommon, MI
Over: MDOT RR COR & HURON RVR
1.2 MI N OF M-17 & US-23, Washtenaw, MI
Over: GREAT LAKES CENTRAL RR
IN HOWELL, Livingston, MI
Over: MIDDLE BR STUTTS CREEK
T45N, R17W, SEC. 31, Schoolcraft, MI
Over: BELL CREEK
HUBBARD RD @ BELL CREEK, Wayne, MI
Over: ELLIOT CREEK
0.22 MI N OF US-23, Cheboygan, MI
Over: CLINTON RIVER
WATERFORD TWP SEC 15/16, Oakland, MI
Over: WISCOGGIN DRAIN
SEC 23 AKRON TWP, Tuscola, MI
Over: MIDDLE ROUGE RIVER
NORTHVILLE N OF SIX MILE, Wayne, MI
Over: PAW PAW RIVER
IN WATERVLIET, Berrien, MI
Over: NORTH MACON DRAIN
0.3 MI N OF COLLINS ROAD, Monroe, MI
Over: KALAMAZOO RIVER
EMMETT TWP SEC 18, Calhoun, MI
Over: BEAR CREEK
BTWN MOUND RD ENTR GATE, Macomb, MI
Over: RABBIT RIVER
JUST N OF 136TH AVE, Allegan, MI
Over: WHITE CREEK I/C DRAIN
SEC 36 NOVESTA TWP, Tuscola, MI
Over: MILL CREEK
SCIO TWP SEC 18, Washtenaw, MI
Over: MDOT RR COR & HURON RVR
ANN ARBOR TWP SEC 36, Washtenaw, MI
Over: ROUGE RIVER
2.1 MI S OF M-5, Wayne, MI
Over: BLACK RIVER
SEC 29 T33NR1E, Cheboygan, MI
Over: TYRE I/C DRAIN EXT
AUSTIN TWP SEC 5 & 6, Sanilac, MI
Over: SOUTHGATE DRAIN
SEC 30-31 AKRON TWP, Tuscola, MI
Over: SWAN CREEK
HURON E/WALTZ, Wayne, MI
Over: MISSION CREEK
SAULT STE MARIE AT CASINO, Chippewa, MI
Over: HUGHES DRAIN
MT. MORRIS TWP. SEC. 13, Genesee, MI
Over: NORFOLK SOUTHERN RR
BYRON TWP SEC 1, Kent, MI
Over: MDOT RR CORRIDOR
3 MI NW OF FARWELL, Clare, MI
Over: PAW PAW RIVER
1.7 MI SW JCT M-43 & M-40, Van Buren, MI
Over: SALINE RIVER
BRIDGEWATER TWP SEC 14, Washtenaw, MI
Over: TRUESDELL DRAIN
CANTON S/CHERRY HILL, Wayne, MI
Over: TALLMAN CREEK
90FT N OF BUTTERWORTH DR, Kent, MI
Over: CADILLAC CANAL
@ CADILLAC STATE PARK, Wexford, MI
Over: HURON RIVER
IN THE CITY OF YPSILANTI, Washtenaw, MI
Over: MILL CREEK
5.1 MI W OF M-14, Washtenaw, MI
Over: WILLOW RUN
YPSILANTI TWP SEC 12, Washtenaw, MI
Showing 601-650 of 1,188 bridges
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.