Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
5,527
Public highway bridges in Maryland
Good Condition
25.9%
1,432 bridges rated 7-9
-24.1pp vs 50% benchmark
Poor Condition
4.3%
236 bridges whose lowest applicable component is rated 0-4
-2.7pp 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 Maryland on the same metric.
CT
TN
MD
CO
OR
Six lowest-condition bridges in Maryland, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: BEAR CREEK
0.01 MI N OF WALNUT ST, Garrett, MD
Over: HAWLINGS RIVER
2.8 MILES NORTH OF MD 108, Montgomery, MD
Over: BEAVER CREEK
0.1 MI W OF ALT US RTE 40, Washington, MD
Over: WATERSPOUT RUN
2.63 MI. WEST MD 25, Baltimore, MD
Over: CSX RAILROAD
0.1 MI NW OF US RTE 40, Baltimore, MD
Over: LITTLE PATUXENT RIVER
0.5 MI W OF US RTE 29, Howard, MD
Over: TRIB TO PISCATAWAY CREEK
0.11 MI N OF WINDBROOK DR, Prince George's, MD
Over: MD 144
0.57 MILE WEST OF US 220, Allegany, MD
Over: BOULTERS WAY
0.07 MILE WEST OF MD 2, Anne Arundel, MD
Over: BLACKROCK RUN
1.46 MILE SOUTH OF MD 137, Baltimore, MD
Over: BUSH CABIN RUN
1.4 MI N OF MT CARMEL RD, Baltimore, MD
Over: B&O MUSEUM RR
MONROE ST & MT CLARE MANS, Baltimore city, MD
Over: MTA LIGHT RAIL AND STORA
I-95 / I-395 INTERCHANGE, Baltimore city, MD
Over: PINEY CREEK
0.60 MI N OF MD 140, Carroll, MD
Over: OCTORARO CREEK
.54 MILE NORTH OF MD 591A, Cecil, MD
Over: LITTLE ELK CREEK
0.55 MI NE OF MD 545, Cecil, MD
Over: AMTRAK RR
Milepost M109.2, Cecil, MD
Over: MONOCACY RIVER
1.32 MILE SOUTH OF MD 85, Frederick, MD
Over: LITTLE PATUXENT RIVER
0.27 MILE NORTH OF US 29, Howard, MD
Over: PLUMTREE BRANCH
0.5 MI W OF ST JOHNS LANE, Howard, MD
Over: CSX TRANS.
0.10 MILE NORTH OF MD 547, Montgomery, MD
Over: CSXT & COLLINGTON BRANCH
0.47 MILE WEST OF MD 197, Prince George's, MD
Over: US 50PA
0.52 MILE WEST OF IS 95, Prince George's, MD
Over: JOHNSON CREEK
0.35 MILES EAST OF MD 667, Somerset, MD
Over: LITTLE ANTIETAM CREEK
0.56 MILE NORTH OF MD 34, Washington, MD
Over: ANTIETAM CREEK
0.66 MILE WEST OF MD 62, Washington, MD
Over: NORFOLK SOUTHERN RR
1.0 MILE NORTH OF US 50BU, Wicomico, MD
Over: CORKERS CREEK
1.80 MILES S OF US 113BU, Worcester, MD
Over: UNNAMED STREAM
0.21 MI N OF US 40 ALT, Allegany, MD
Over: WHITEMARSH RUN
0.67 MILE WEST OF MD 43, Baltimore, MD
Over: BUFFALO CREEK
2.80 MI S OF MD 137, Baltimore, MD
Over: HAYSTACK BRANCH
0.6 MI W OF HARFORD RD, Baltimore, MD
Over: GWYNNS FALLS
0.5 MI W MONROE ST, Baltimore city, MD
Over: FAULKNER BRANCH
0.8 MILES NORTH OF MD 318, Caroline, MD
Over: BIG PIPE CREEK
0.12 MI N OF STUDY RD, Carroll, MD
Over: STONY RUN
0.97 MI S OF THEODORE RD, Cecil, MD
Over: BALLENGER CREEK
1.3 MILES SOUTH OF IS 270, Frederick, MD
Over: WILLIAMSBURG RUN
0.9 MI S OF BOWIE MILL RD, Montgomery, MD
Over: WESTERN BRANCH
0.12 MILE S OF MD 976C, Prince George's, MD
Over: FOLLY BRANCH
0.29 MI N OF MD 450, Prince George's, MD
Over: CAREY BRANCH
0.10 MI W OF MD 210, Prince George's, MD
Over: SUITLAND ROAD
1.6 MILES WEST OF FORESTV, Prince George's, MD
Over: BEAVER CREEK
0.67 MILE WEST OF MD 66, Washington, MD
Over: ASHTON RD
0.76 MILE EAST OF MD 68, Washington, MD
Over: LITTLE CONOCOCHEAGUE CRK
1.59 MI N OF US RTE 40, Washington, MD
Over: BARREN CREEK
0.26 MILE EAST OF MD 313, Wicomico, MD
Over: NORTH BRANCH
0.04 MILE SOUTH OF MD 47, Allegany, MD
Over: GEORGES CREEK
0.03 MI W OF MD 937, Allegany, MD
Over: CSX TRANS & GWYNNS FALLS
0.08 MILE SOUTH OF MD 140, Baltimore, MD
Over: BREAD AND CHEESE CREEK
0.31 MI S. OF MD 208, Baltimore, MD
Over: MTA LIGHT RAIL YARD
STA. 150-158, Baltimore city, MD
Over: GUSRYAN ST
500 FT W OF DUNDALK AVE, Baltimore city, MD
Over: EAST BRANCH PATAPSCO RIV
0.15 MI E OF HOUCK RD, Carroll, MD
Over: MILL RUN
1 MI SE RIPLEY ROAD, Charles, MD
Over: BIG BRANCH
2.64 MILES NORTH OF MD 24, Harford, MD
Over: EAST BRANCH/WINTERS RUN
0.3 MILES NE OF MD 23, Harford, MD
Showing 2,701-2,750 of 5,527 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.