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: BIG BRANCH
0.3 MILE E OF ST PAULS RD, Harford, MD
Over: Bonifant Road & NW Branc
2.07 Mi West of MD 650, Montgomery, MD
Over: AMTRAK
0.1 MILE EAST OF MD 564, Prince George's, MD
Over: LITTLE CONOCOCHEAGUE CRE
1.34 MILES EAST OF MD 68, Washington, MD
Over: LOCAL STREAM
SOUTH OF MD 180, Frederick, MD
Over: ELKLICK RUN
0.73 M S OF BR NO 0112700, Allegany, MD
Over: GEORGES CREEK
0.10 MILE SOUTH OF MD 937, Allegany, MD
Over: INGLESIDE AVENUE
0.49 MILE SOUTH OF US 40, Baltimore, MD
Over: BACK CREEK
0.3 M E OF FERRY SLIP RD, Cecil, MD
Over: MIDDLE CREEK
0.9 MILE NORTH OF US 40, Frederick, MD
Over: BYNUM RUN
1.2 MILES NE OF MD 924, Harford, MD
Over: BROAD CREEK
1.4 MILES SW OF MD 136, Harford, MD
Over: MD 210 Service Rd.
1.5 MILE SOUTH OF I-495, Howard, MD
Over: IS 270Y MEDIAN
AT WESTLAKE TERRACE, Montgomery, MD
Over: OLD FARM CREEK
1.0 MILE EAST OF I-270, Montgomery, MD
Over: TRIBUTARY TO CABIN JOHN
0.1M S OF WOOTTON PKWY, Montgomery, MD
Over: MD 200 (ICC)
0.8 MI W of I-95, Prince George's, MD
Over: CSX TRANSPORTATION
0.06 MILE EAST OF MD 491, Washington, MD
Over: PINEY RUN
1.07 MILES S OF MD 26, Carroll, MD
Over: RANDOLPH ROAD
1.4 MI E OF MD 185, Montgomery, MD
Over: MARLEY CREEK
.56 MI. S. OF HOSPITAL DR, Anne Arundel, MD
Over: SWEATHOUSE BRANCH
0.60 MI E OF MD 147, Baltimore, MD
Over: MASON BRANCH
ON QUEEN ANNES CO LINE, Caroline, MD
Over: GRAMIES RUN
0.27 MI N OF RUSSELL RD, Cecil, MD
Over: MIDDLE CREEK
AT MIDDLE POINT ROAD, Frederick, MD
Over: BR OF TUSCARORA CREEK
SOUTH OF CAP STINE RD INT, Frederick, MD
Over: FISHING CREEK
0.25 M N DEVILBLISS BR RD, Frederick, MD
Over: MD 200 (ICC)
4.38 MI W OF MD 97, Montgomery, MD
Over: Northwest Branch
1.40 Mi West of MD 650, Montgomery, MD
Over: SHARMANS BRANCH
0.6 MI S OF BURNSIDE DR, Washington, MD
Over: POCOMOKE RIVER
ON SOMERSET CO LINE, Worcester, MD
Over: GILBERT SWAMP RUN
0.14 M W OF ST CLAIR ROAD, Charles, MD
Over: LITTLE PIPE CREEK
ON CARROLL CO LINE, Frederick, MD
Over: PINEY RUN
1.4 MI W OF MD 88, Baltimore, MD
Over: LITTLE DEER CREEK
0.03 MI S OF HARRIS M RD, Baltimore, MD
Over: WALKWAY
UNDER IS 95, Baltimore city, MD
Over: TIDY ISLAND CREEK
0.24 MI SW OF DE LINE, Caroline, MD
Over: BEAR BRANCH
1.37 MILES N OF MD 140, Carroll, MD
Over: MONOCACY RIVER
0.22 M S OF BR NO 1018400, Frederick, MD
Over: MONOCACY RIVER
0.22 M S OF BR NO 1018400, Frederick, MD
Over: BYNUM RUN
0.3 MILES NW OF MD 22, Harford, MD
Over: MATAPONI CREEK
0.79 M N OF NORTH KEY RD, Prince George's, MD
Over: PURPLE LINE
1 MILES NORTH OF MD 410, Montgomery, MD
Over: BRANCH OF MILL CREEK
0.2 M W OF DULIN ROAD, Talbot, MD
Over: JACKSON RUN
0.03 MI W OF RAILROAD AVE, Allegany, MD
Over: DORSEY RUN
1.2 MILES WEST OF MD 175, Anne Arundel, MD
Over: AMTRAK
0.156 MILE WEST OF MD 150, Baltimore, MD
Over: AMTRAK
0.13 MILE SOUTH OF MD 545, Cecil, MD
Over: EAST BRANCH/WINTERS RUN
0.3 MI E OF PHILLIPS M RD, Harford, MD
Over: PLUMTREE RUN
0.38 MI. N. PLUMTREE RD., Harford, MD
Showing 4,501-4,550 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.