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: DOGWOOD RUN
0.1 MI E OF GILLESPIE RD, Cecil, MD
Over: PINEY BRANCH
2.5 MI E OF ST CHAR. PKWY, Charles, MD
Over: FISHING CREEK
AT UTICA RD INT, Frederick, MD
Over: CATTAIL BRANCH
0.4 MILE S OF MT HOREB RD, Harford, MD
Over: Good Hope Tributary
0.45 Mi East of MD650, Montgomery, MD
Over: HORSEPEN BRANCH
1.37 MILES S OF MD 197, Prince George's, MD
Over: LONG MARSH DITCH
1.12 MI EAST OF MD 313, Queen Anne's, MD
Over: CAMPBELL DITCH
1.7 MI N OF MD 350, Wicomico, MD
Over: INDIAN CREEK
0.09 MI W OF MD 201, Prince George's, MD
Over: BRANCH OF OCTORARO CREEK
0.45 MI N OF US RTE 1, Cecil, MD
Over: PINEY BRANCH
0.75 MI S. OF MD RTE 228, Charles, MD
Over: SOUTH FORK LINGANORE CRK
0.1 MI W OF EMERS BURR RD, Frederick, MD
Over: LONG BRANCH
AT MD 144, Frederick, MD
Over: LITTLE TUSCARORA CREEK
0.3 MI N OF POOLE JONES R, Frederick, MD
Over: DEEP RUN
0.5 MI S OF MD RTE 103, Howard, MD
Over: NORTHWEST BRANCH TRIBUTA
ENT. FROM GLENALLEN AVE., Montgomery, MD
Over: BIG BRANCH
0.4 MILES W OF FAWN GR RD, Harford, MD
Over: GEORGES CREEK
0.09 MILE SOUTH OF MD 935, Allegany, MD
Over: WEEMS CREEK
0.37 MI S OF IS 595, Anne Arundel, MD
Over: STONEY RUN
0.1 MI W OF MD RTE 170, Anne Arundel, MD
Over: GWYNNS FALLS
1.04 MILES E OF MD 140, Baltimore, MD
Over: MOORES BRANCH
0.65 MI S OF MD 133, Baltimore, MD
Over: FUTURE RAMP MB
I695 IS95 Interchange, Baltimore, MD
Over: LYONS CREEK
AA/CAL COUNTY LINE, Calvert, MD
Over: CSXT RAILROAD
1 MI S OF BARNESVILLE RD, Montgomery, MD
Over: MILL STREAM BRANCH
0.29 MILE NORTH OF MD 18C, Queen Anne's, MD
Over: ST JAMES RUN
1.338 MI W OF MD 65, Washington, MD
Over: NORTH BRANCH OF POTOMAC
ON WEST VIRGINIA, Allegany, MD
Over: CONE BRANCH
0.37 MI N OF BRDG 0306, Frederick, MD
Over: MD 151B AND TRADEPOINT R
0.1 MI S. OF MD 158, Baltimore, MD
Over: BRADDOCK RUN
0.20 MI W OF US 40 ALT, Allegany, MD
Over: DORSEY RUN
0.58 MI S OF HO CO LINE, Anne Arundel, MD
Over: DEER CREEK
0.59 MI E OF MASON-DIX RD, Baltimore, MD
Over: TRIBUTARY TO ROLAND RUN
0.4 MI S OF TIMONIUM RD, Baltimore, MD
Over: AMTRAK PROPERTY
AT CHARLES ST. OVER I-83, Baltimore city, MD
Over: NORTHEAST CREEK
0.49 MI E OF MD 272, Cecil, MD
Over: LITTLE ANTIETAM CREEK
0.6 MI NE OF MD RTE 64, Washington, MD
Over: SAND SPRING RUN
0.81 MI N OF IS 68, Allegany, MD
Over: OWL BRANCH
1MI S. OF I-83 EXIT33, Baltimore, MD
Over: GUSRYAN ST
500 FT S OF DUNDALK AVE, Baltimore city, MD
Over: TUCKERS BRANCH
1.02 M S OF BR NO 0306400, Carroll, MD
Over: CHERRY BRANCH
UNION BRIDGE ROAD, Carroll, MD
Over: CSX RAILROAD
0.1 MI S. OF RTE 219, Garrett, MD
Over: PAINT BRANCH
1.42 M E OF MONTGOMERY CO, Prince George's, MD
Over: GERMAN BRANCH
1.26 MILES E OF MD 481, Queen Anne's, MD
Over: MILES CREEK
8 MI SE OF EASTON, Talbot, MD
Over: MINOR TRIB OF MILL CREEK
0.5 MI E OF MD 222, Cecil, MD
Over: DICKENSON RUN
0.02 MI S OF NEW WINDSOR, Carroll, MD
Over: BENNETT CREEK
2.2 MI SW OF JCT SR 80, Montgomery, MD
Over: MOLL DYERS RUN
1.21 MILES WEST OF MD 5, St. Mary's, MD
Showing 4,801-4,850 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.