Monroe County, MI
9 public highway bridges
Monroe County Bridge Snapshot
According to the Federal Highway Administration's 2024 National Bridge Inventory, Monroe County, Michigan contains 9 public highway bridges. Roughly 44.4% are rated “Good,” 33.3% “Fair,” and 11.1% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.
Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.
Source: FHWA National Bridge Inventory. See methodology for full definitions.
Condition Distribution
All Bridges (9)
OTTER CREEK RD
UnknownOver: I-75
4.0 MI SW OF MONROE, Monroe, MI
FAR ROAD
FairOver: MACON - MILAN DRAIN
0.4 MI N OF COUPER ROAD, Monroe, MI
REA ROAD
FairOver: NORTH MACON DRAIN
0.3 MI N OF COLLINS ROAD, Monroe, MI
HERR ROAD
FairOver: PLUM CREEK
0.1 MI N OF DUNBAR ROAD, Monroe, MI
WASSANOVA RD
GoodOver: LAUDENSCHLAGER DRAIN
0.1 MI N OF SIGLER RD, Monroe, MI
I-75 SB
GoodOver: SANDY CREEK
1.2 MI NE OF M-50, Monroe, MI
NORTH DIXIE HWY
GoodOver: LITTLE SWAN CREEK
0.6 MI S OF SWAN CREEK RD, Monroe, MI
I-75
GoodOver: LITTLE LAKE CREEK
540 FT N OF RAMP B, Monroe, MI
MAXWELL ROAD
PoorOver: SWAN CREEK
0.4 MI. S. OF NEWBURG RD., Monroe, MI
Read our methodology - how this data is sourced, computed, and verified.
Related
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.