State profile · Below median Poor share

Maryland bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.

5,527
Public bridges
25.9%
Good condition
4.3%
Poor condition

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%

Maryland vs national bridge condition

Maryland - Good condition share 25.9%
National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

Maryland - Poor-condition share 14.2%
National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Maryland vs nearby ranks

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

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

TN

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426
Selected

MD

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

CO

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

OR

Oregon

4.46% top marginal rate
Structure
Progressive
Burden @ $100K
$8,310

Bridges Needing Most Attention in Maryland

Six lowest-condition bridges in Maryland, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

All Bridges in Maryland

DOGWOOD RD

Good

Over: DOGWOOD RUN

0.1 MI E OF GILLESPIE RD, Cecil, MD

Built 1996 Load: 60.3 t ADT: 991

BILLINGSLEY RD WBR

Good

Over: PINEY BRANCH

2.5 MI E OF ST CHAR. PKWY, Charles, MD

Built 1994 Load: 60.3 t ADT: 7,022

OLD FREDERICK ROAD

Good

Over: FISHING CREEK

AT UTICA RD INT, Frederick, MD

Built 1954 Load: 60.3 t ADT: 3,332

MADONNA ROAD

Good

Over: CATTAIL BRANCH

0.4 MILE S OF MT HOREB RD, Harford, MD

Built 1992 Load: 60.3 t ADT: 789

MD 200 (ICC) WB

Good

Over: Good Hope Tributary

0.45 Mi East of MD650, Montgomery, MD

Built 2010 Load: 60.3 t ADT: 32,064

RACE TRACK ROAD

Good

Over: HORSEPEN BRANCH

1.37 MILES S OF MD 197, Prince George's, MD

Built 2006 Load: 60.3 t ADT: 21,230

ELL MORRIS ROAD

Good

Over: LONG MARSH DITCH

1.12 MI EAST OF MD 313, Queen Anne's, MD

Built 1985 Load: 60.3 t ADT: 720

MORRIS ROAD

Good

Over: CAMPBELL DITCH

1.7 MI N OF MD 350, Wicomico, MD

Built 1998 Load: 60.3 t ADT: 122

SUNNYSIDE AVENUE

Good

Over: INDIAN CREEK

0.09 MI W OF MD 201, Prince George's, MD

Built 2020 Load: 60.6 t ADT: 8,931

MERRY KNOLL LANE

Good

Over: BRANCH OF OCTORARO CREEK

0.45 MI N OF US RTE 1, Cecil, MD

Built 1990 Load: 60.8 t ADT: 188

MIDDLETOWN ROAD

Good

Over: PINEY BRANCH

0.75 MI S. OF MD RTE 228, Charles, MD

Built 2007 Load: 60.8 t ADT: 3,414

GLISSANS MILL RD

Good

Over: SOUTH FORK LINGANORE CRK

0.1 MI W OF EMERS BURR RD, Frederick, MD

Built 1983 Load: 60.8 t ADT: 884

TERRA FIRMA ROAD

Good

Over: LONG BRANCH

AT MD 144, Frederick, MD

Built 2006 Load: 60.8 t ADT: 3,143

WALTER MARTZ ROAD

Good

Over: LITTLE TUSCARORA CREEK

0.3 MI N OF POOLE JONES R, Frederick, MD

Built 2012 Load: 60.8 t ADT: 4,173

OLD MONTGOMERY RD

Good

Over: DEEP RUN

0.5 MI S OF MD RTE 103, Howard, MD

Built 2013 Load: 60.8 t ADT: 9,224

BROOKSIDE VISITORS

Good

Over: NORTHWEST BRANCH TRIBUTA

ENT. FROM GLENALLEN AVE., Montgomery, MD

Built 1999 Load: 60.8 t ADT: 55

EDEN MILL ROAD

Good

Over: BIG BRANCH

0.4 MILES W OF FAWN GR RD, Harford, MD

Built 1961 Load: 60.9 t ADT: 177

MD 36

Good

Over: GEORGES CREEK

0.09 MILE SOUTH OF MD 935, Allegany, MD

Built 1981 Load: 61.2 t ADT: 5,740

MD 70

Good

Over: WEEMS CREEK

0.37 MI S OF IS 595, Anne Arundel, MD

Built 2006 Load: 61.2 t ADT: 38,762

STONEY RUN ROAD

Good

Over: STONEY RUN

0.1 MI W OF MD RTE 170, Anne Arundel, MD

Built 1982 Load: 61.2 t ADT: 10,559

GWYNNBROOK AVENUE

Good

Over: GWYNNS FALLS

1.04 MILES E OF MD 140, Baltimore, MD

Built 1992 Load: 61.2 t ADT: 9,800

GREENSPRING AVENUE

Good

Over: MOORES BRANCH

0.65 MI S OF MD 133, Baltimore, MD

Built 1965 Load: 61.2 t ADT: 8,341

I95 NORTHBOUND

Good

Over: FUTURE RAMP MB

I695 IS95 Interchange, Baltimore, MD

Built 2008 Load: 61.2 t ADT: 52,628

MD 4 RAMP '5'

Good

Over: LYONS CREEK

AA/CAL COUNTY LINE, Calvert, MD

Built 2003 Load: 61.2 t ADT: 7,166

PEACH TREE ROAD

Good

Over: CSXT RAILROAD

1 MI S OF BARNESVILLE RD, Montgomery, MD

Built 2000 Load: 61.2 t ADT: 400

MD 213

Good

Over: MILL STREAM BRANCH

0.29 MILE NORTH OF MD 18C, Queen Anne's, MD

Built 2019 Load: 61.2 t ADT: 17,000

MD 68

Good

Over: ST JAMES RUN

1.338 MI W OF MD 65, Washington, MD

Built 2014 Load: 61.2 t ADT: 5,200

MD 61 (CANAL PARKW

Good

Over: NORTH BRANCH OF POTOMAC

ON WEST VIRGINIA, Allegany, MD

Built 1992 Load: 61.7 t ADT: 11,501

ROY SHAFER ROAD

Good

Over: CONE BRANCH

0.37 MI N OF BRDG 0306, Frederick, MD

Built 1982 Load: 61.7 t ADT: 105

MD 151 (SPARROWS P

Good

Over: MD 151B AND TRADEPOINT R

0.1 MI S. OF MD 158, Baltimore, MD

Built 1954 Load: 61.9 t ADT: 21,000

RYE STREET

Good

Over: BRADDOCK RUN

0.20 MI W OF US 40 ALT, Allegany, MD

Built 2007 Load: 62.1 t ADT: 1,140

GUILFORD ROAD

Good

Over: DORSEY RUN

0.58 MI S OF HO CO LINE, Anne Arundel, MD

Built 1984 Load: 62.1 t ADT: 11,711

HARRIS MILL ROAD

Good

Over: DEER CREEK

0.59 MI E OF MASON-DIX RD, Baltimore, MD

Built 2006 Load: 62.1 t ADT: 298

BUSINESS PARK DRIV

Good

Over: TRIBUTARY TO ROLAND RUN

0.4 MI S OF TIMONIUM RD, Baltimore, MD

Built 1992 Load: 62.1 t ADT: 5,516

CHARLES STREET ON-

Good

Over: AMTRAK PROPERTY

AT CHARLES ST. OVER I-83, Baltimore city, MD

Built 2003 Load: 62.1 t ADT: 10,850

LUMS ROAD

Good

Over: NORTHEAST CREEK

0.49 MI E OF MD 272, Cecil, MD

Built 1992 Load: 62.1 t ADT: 1,586

BIKLE ROAD

Good

Over: LITTLE ANTIETAM CREEK

0.6 MI NE OF MD RTE 64, Washington, MD

Built 1998 Load: 62.1 t ADT: 1,091

MD 736

Good

Over: SAND SPRING RUN

0.81 MI N OF IS 68, Allegany, MD

Built 1975 Load: 62.6 t ADT: 4,531

DAIRY ROAD

Good

Over: OWL BRANCH

1MI S. OF I-83 EXIT33, Baltimore, MD

Built 2011 Load: 62.6 t ADT: 727

IS 95 RAMP J

Good

Over: GUSRYAN ST

500 FT S OF DUNDALK AVE, Baltimore city, MD

Built 1976 Load: 62.6 t ADT: 1,851

MD 97

Good

Over: TUCKERS BRANCH

1.02 M S OF BR NO 0306400, Carroll, MD

Built 1976 Load: 62.6 t ADT: 8,770

UNION BRIDGE ROAD

Good

Over: CHERRY BRANCH

UNION BRIDGE ROAD, Carroll, MD

Built 1990 Load: 62.6 t ADT: 1,034

THIRD STREET

Good

Over: CSX RAILROAD

0.1 MI S. OF RTE 219, Garrett, MD

Built 2009 Load: 62.6 t ADT: 1,302

IS 495 OL

Good

Over: PAINT BRANCH

1.42 M E OF MONTGOMERY CO, Prince George's, MD

Built 1964 Load: 62.6 t ADT: 139,680

MD 304

Good

Over: GERMAN BRANCH

1.26 MILES E OF MD 481, Queen Anne's, MD

Built 2002 Load: 62.6 t ADT: 3,400

BRUCEVILLE ROAD

Good

Over: MILES CREEK

8 MI SE OF EASTON, Talbot, MD

Built 2005 Load: 62.6 t ADT: 531

RESERVOIR ROAD

Good

Over: MINOR TRIB OF MILL CREEK

0.5 MI E OF MD 222, Cecil, MD

Built 2016 Load: 62.9 t ADT: 874

OLD NEW WINDSOR RD

Good

Over: DICKENSON RUN

0.02 MI S OF NEW WINDSOR, Carroll, MD

Built 1987 Load: 63.0 t ADT: 1,058

CLARKSBURG ROAD

Good

Over: BENNETT CREEK

2.2 MI SW OF JCT SR 80, Montgomery, MD

Built 2011 Load: 63.0 t ADT: 4,123

MD 244

Good

Over: MOLL DYERS RUN

1.21 MILES WEST OF MD 5, St. Mary's, MD

Built 1925 Load: 63.0 t ADT: 2,190

Showing 4,801-4,850 of 5,527 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges.

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.

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.