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: GALLOWAY CREEK
0.1 MILE NORTH OF MD 4, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
0.8 MI E. of OLD YORK RD, Baltimore, MD
Over: LAUREL RUN
POTOMAC GARRETT ST FOREST, Garrett, MD
Over: ST. CLEMENTS CREEK
0.9 MI W OF MD RTE 242, St. Mary's, MD
Over: GILLIS FALLS
2.51 MILES E OF MD 27, Carroll, MD
Over: BIG ELK CREEK
2 MI N OF MD RTE 273, Cecil, MD
Over: TRANSQUAKING RIVER
1.38 MILES S OF AIREYS RD, Dorchester, MD
Over: NORTHEAST BRANCH
0.16 MI W OF MD 201, Prince George's, MD
Over: COLLEGE CREEK
0.3 MILE WEST OF MD 435, Anne Arundel, MD
Over: PATUXENT RIVER
ON THE PG COUNTY LINE, Anne Arundel, MD
Over: TRIBUTARY TO HORSEHEAD B
AT LAMBORN RD INTERSECT, Baltimore, MD
Over: TRIBUTARY OF TUSCARORA C
WEST OF HARVARD PLACE, Frederick, MD
Over: BUSH CREEK
0.1 MI W OF IJAMSVILLE RD, Frederick, MD
Over: DEER CREEK
0.2 MI S OF GORSUCH RD, Baltimore, MD
Over: LITTLE PIPE CREEK
0.48 MI S OF MD 75, Carroll, MD
Over: MARYLAND MIDLAND RR
0.18 MILE NORTH OF MD 77, Frederick, MD
Over: UNNAMED STREAM
1.5 MILES NORTH OF MD 214, Prince George's, MD
Over: TRIBUTARY OF EDGEMONT RE
0.95 MI SE OF MD RTE 491, Washington, MD
Over: MILL RUN
0.01 MI S MILL RUN RD, Garrett, MD
Over: ROLAND RUN
0.874 MILE WEST OF MD 45, Baltimore, MD
Over: BRICE RUN
0.37 MI N OF DAVIS AVENUE, Baltimore, MD
Over: LITTLE HUNTING CREEK
1.12 MI W OF US RTE 15, Frederick, MD
Over: SAVAGE RIVER
2.8 MI S OF MD RTE 40, Garrett, MD
Over: BR OF OTTER POINT CREEK
0.41 MILE EAST OF MD 24, Harford, MD
Over: CEDAR LANE
1.19 MILE NORTH OF US 29, Howard, MD
Over: CEDAR LANE
1.19 MILE NORTH OF US 29, Howard, MD
Over: PATUXENT RIVER
ON HOWARD CO LINE, Prince George's, MD
Over: BEAVERDAM CREEK
0.12 MI EAST OF US 13, Worcester, MD
Over: CAREY BRANCH
0.66 MI SE OF US 113, Worcester, MD
Over: ALLENS FRESH RUN
0.28 MILES EAST OF US 301, Charles, MD
Over: LITTLE CATOCTIN CREEK
1.3 MI N OF MD RTE 17, Frederick, MD
Over: WOLFDEN RUN
NORTH HILL ROAD, Garrett, MD
Over: TRIBUTARY OF FISHING CRE
WEST OF OLD FREDERICK RD, Frederick, MD
Over: BUFFALO CREEK
1.5 MI W OF I 83, Baltimore, MD
Over: NYDEGGER RUN
0.36 MILE NORTH OF US 50, Garrett, MD
Over: MD ROUTE 201
0.8 MILES SOUTH OF MD ROU, Prince George's, MD
Over: GREAT SENECA CREEK
2.0 MILES NORTH OF MD 124, Montgomery, MD
Over: BRADDOCK RUN
0.06 MI N OF US 40AL, Allegany, MD
Over: BIG PIPE CREEK
0.5 MI EAST OF MD 97, Carroll, MD
Over: OHIO BRANCH
0.55 MI N OF BACKWOODS RD, Carroll, MD
Over: BUSH CREEK
0.25 MI N OF BALL RD, Frederick, MD
Over: TRIB TO PATUXENT RIVER
0.2 MI EAST OF US 1 NB, Prince George's, MD
Over: BEAR CREEK
MILEPOST M46.2, Baltimore, MD
Over: BEAR CABIN BRANCH
1.7 MILES N OF MD 152, Harford, MD
Over: LOWER LEVEL ROADWAY
BWI AIRPORT, Anne Arundel, MD
Over: LITTLE PIPE CREEK
0.06 MILE NORTH OF MR 84, Carroll, MD
Over: NORTHEAST CREEK
0.62 MILE NORTH OF MD 274, Cecil, MD
Over: WASHINGTON RUN
1.05 MILES EAST OF US 15, Frederick, MD
Over: GLADE RUN
2.33 MILES NORTH OF US 50, Garrett, MD
Over: WOODLAND CREEK
0.09 M S OF DAVES HILL RD, Kent, MD
Showing 3,901-3,950 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.