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: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN LIVONIA, Wayne, MI
Over: I-96
IN LIVONIA, Wayne, MI
Over: I-96
IN LIVONIA, Wayne, MI
Over: I-96
IN LIVONIA, Wayne, MI
Over: CSX RR & FULLERTON AVE
IN DETROIT, Wayne, MI
Over: CSX RR & 3RD LEVL TRN RD
IN DETROIT, Wayne, MI
Over: CSX RAILROAD-FULLERTON
IN DETROIT, Wayne, MI
Over: 3RD LEVEL TURN RDWY
IN DETROIT, Wayne, MI
Over: I-96 ROADWAYS
IN DETROIT, Wayne, MI
Over: M-39 RAMP & E SERVICE RD
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: RAMP TO I-94
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-94
IN DETROIT, Wayne, MI
Over: I-96 RAMP
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: I-96 WYOMING EXIT RAMP
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96 (JEFFRIES FRWY)
IN DETROIT, Wayne, MI
Over: I-96
IN DETROIT, Wayne, MI
Over: EIGHT MILE RD
IN LIVONIA, Wayne, MI
Over: EIGHT MILE RD
IN LIVONIA, Wayne, MI
Over: M-1
IN DETROIT, Wayne, MI
Over: M-1
IN DETROIT, Wayne, MI
Over: M-1
IN HIGHLAND PARK, Wayne, MI
Over: US-24
@ US-24, TELEGRAPH RD, Wayne, MI
Over: M-102
N LTS OF DETROIT, Wayne, MI
Over: NORTH HURON RIVER DRIVE
IN ROCKWOOD, Wayne, MI
Over: I-75 & M-85
0.8 MI N OF MONROE COL, Wayne, MI
Over: VAN HORN RD
IN WOODHAVEN, Wayne, MI
Over: ALLEN RD
S LTS OF SOUTHGATE, Wayne, MI
Over: ALLEN RD
S LTS OF SOUTHGATE, Wayne, MI
Over: TOLEDO DIX HWY RAMP D
IN LINCOLN PARK, Wayne, MI
Over: M-39
IN ALLEN PARK, Wayne, MI
Over: M-39
IN DEARBORN, Wayne, MI
Over: M-39
IN DETROIT, Wayne, MI
Over: M-39
IN DETROIT, Wayne, MI
Showing 251-300 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.