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

SANDS ROAD

Good

Over: GALLOWAY CREEK

0.1 MILE NORTH OF MD 4, Anne Arundel, MD

Built 1999 Load: 26.3 t ADT: 319

HOUCKS MILL ROAD

Good

Over: LITTLE GUNPOWDER FALLS

0.8 MI E. of OLD YORK RD, Baltimore, MD

Built 1989 Load: 26.3 t ADT: 869

LAUREL RUN ROAD

Good

Over: LAUREL RUN

POTOMAC GARRETT ST FOREST, Garrett, MD

Built 2001 Load: 26.3 t ADT: 5

DOCTOR JOHNSON ROA

Good

Over: ST. CLEMENTS CREEK

0.9 MI W OF MD RTE 242, St. Mary's, MD

Built 1975 Load: 26.3 t ADT: 880

GILLIS ROAD

Good

Over: GILLIS FALLS

2.51 MILES E OF MD 27, Carroll, MD

Built 1975 Load: 26.8 t ADT: 828

BLACK BRIDGE ROAD

Good

Over: BIG ELK CREEK

2 MI N OF MD RTE 273, Cecil, MD

Built 2002 Load: 26.8 t ADT: 100

DRAWBRIDGE ROAD

Good

Over: TRANSQUAKING RIVER

1.38 MILES S OF AIREYS RD, Dorchester, MD

Built 1992 Load: 26.8 t ADT: 570

RIVER ROAD

Good

Over: NORTHEAST BRANCH

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

Built 1991 Load: 26.8 t ADT: 10,548

MD 450

Good

Over: COLLEGE CREEK

0.3 MILE WEST OF MD 435, Anne Arundel, MD

Built 1987 Load: 27.2 t ADT: 10,364

BROCK BRIDGE ROAD

Good

Over: PATUXENT RIVER

ON THE PG COUNTY LINE, Anne Arundel, MD

Built 1966 Load: 27.2 t ADT: 5,944

McDONOGH ROAD

Good

Over: TRIBUTARY TO HORSEHEAD B

AT LAMBORN RD INTERSECT, Baltimore, MD

Built 2012 Load: 27.2 t ADT: 14,121

WINCHESTER BOULEVA

Good

Over: TRIBUTARY OF TUSCARORA C

WEST OF HARVARD PLACE, Frederick, MD

Built 2002 Load: 27.2 t ADT: 350

REICHS FORD ROAD

Good

Over: BUSH CREEK

0.1 MI W OF IJAMSVILLE RD, Frederick, MD

Built 1909 Load: 27.7 t ADT: 817

WEST LIBERTY ROAD

Good

Over: DEER CREEK

0.2 MI S OF GORSUCH RD, Baltimore, MD

Built 1992 Load: 28.1 t ADT: 348

WINTERS CHURCH RD

Good

Over: LITTLE PIPE CREEK

0.48 MI S OF MD 75, Carroll, MD

Built 1981 Load: 28.1 t ADT: 151

MD 76

Good

Over: MARYLAND MIDLAND RR

0.18 MILE NORTH OF MD 77, Frederick, MD

Built 2001 Load: 28.1 t ADT: 901

CHURCH ROAD

Good

Over: UNNAMED STREAM

1.5 MILES NORTH OF MD 214, Prince George's, MD

Built 2010 Load: 28.1 t ADT: 9,394

WARNER HOLLOW ROAD

Good

Over: TRIBUTARY OF EDGEMONT RE

0.95 MI SE OF MD RTE 491, Washington, MD

Built 1985 Load: 28.1 t ADT: 96

CHET KELLY ROAD

Good

Over: MILL RUN

0.01 MI S MILL RUN RD, Garrett, MD

Built 2015 Load: 28.2 t ADT: 138

MD 131

Good

Over: ROLAND RUN

0.874 MILE WEST OF MD 45, Baltimore, MD

Built 1992 Load: 28.5 t ADT: 12,051

WRIGHTS MILL ROAD

Good

Over: BRICE RUN

0.37 MI N OF DAVIS AVENUE, Baltimore, MD

Built 1986 Load: 28.6 t ADT: 320

CATOCTIN HOLLOW RD

Good

Over: LITTLE HUNTING CREEK

1.12 MI W OF US RTE 15, Frederick, MD

Built 1980 Load: 29.0 t ADT: 201

AVILTON LONACONING

Good

Over: SAVAGE RIVER

2.8 MI S OF MD RTE 40, Garrett, MD

Built 2001 Load: 29.0 t ADT: 1,024

US 40

Good

Over: BR OF OTTER POINT CREEK

0.41 MILE EAST OF MD 24, Harford, MD

Built 1994 Load: 29.0 t ADT: 21,614

MD 32 EB

Good

Over: CEDAR LANE

1.19 MILE NORTH OF US 29, Howard, MD

Built 1994 Load: 29.0 t ADT: 48,582

MD 32 WB

Good

Over: CEDAR LANE

1.19 MILE NORTH OF US 29, Howard, MD

Built 1994 Load: 29.0 t ADT: 48,582

US 1 NB

Good

Over: PATUXENT RIVER

ON HOWARD CO LINE, Prince George's, MD

Built 1949 Load: 29.0 t ADT: 16,182

BUNTING ROAD

Good

Over: BEAVERDAM CREEK

0.12 MI EAST OF US 13, Worcester, MD

Built 2007 Load: 29.0 t ADT: 180

OLD STAGE ROAD

Good

Over: CAREY BRANCH

0.66 MI SE OF US 113, Worcester, MD

Built 1992 Load: 29.0 t ADT: 220

MD 234

Good

Over: ALLENS FRESH RUN

0.28 MILES EAST OF US 301, Charles, MD

Built 2014 Load: 29.5 t ADT: 7,500

PETE WILES ROAD

Good

Over: LITTLE CATOCTIN CREEK

1.3 MI N OF MD RTE 17, Frederick, MD

Built 1973 Load: 29.5 t ADT: 485

NORTH HILL ROAD

Good

Over: WOLFDEN RUN

NORTH HILL ROAD, Garrett, MD

Built 2012 Load: 29.5 t ADT: 255

UTICA DISTRICT PAR

Good

Over: TRIBUTARY OF FISHING CRE

WEST OF OLD FREDERICK RD, Frederick, MD

Built 2020 Load: 29.8 t ADT: 200

COLD BOTTOM ROAD

Good

Over: BUFFALO CREEK

1.5 MI W OF I 83, Baltimore, MD

Built 1920 Load: 29.9 t ADT: 408

MARYLAND 560

Good

Over: NYDEGGER RUN

0.36 MILE NORTH OF US 50, Garrett, MD

Built 1932 Load: 29.9 t ADT: 1,930

BW PARKWAY

Good

Over: MD ROUTE 201

0.8 MILES SOUTH OF MD ROU, Prince George's, MD

Built 1953 Load: 29.9 t ADT: 80,000

MD 119

Good

Over: GREAT SENECA CREEK

2.0 MILES NORTH OF MD 124, Montgomery, MD

Built 1989 Load: 30.4 t ADT: 10,344

MD 831A

Good

Over: BRADDOCK RUN

0.06 MI N OF US 40AL, Allegany, MD

Built 1900 Load: 30.8 t ADT: 599

SAW MILL ROAD

Good

Over: BIG PIPE CREEK

0.5 MI EAST OF MD 97, Carroll, MD

Built 1974 Load: 30.8 t ADT: 54

BIXLER CHURCH ROAD

Good

Over: OHIO BRANCH

0.55 MI N OF BACKWOODS RD, Carroll, MD

Built 1974 Load: 30.8 t ADT: 675

REELS MILL ROAD

Good

Over: BUSH CREEK

0.25 MI N OF BALL RD, Frederick, MD

Built 1975 Load: 30.8 t ADT: 1,282

BOWIE ROAD

Good

Over: TRIB TO PATUXENT RIVER

0.2 MI EAST OF US 1 NB, Prince George's, MD

Built 1927 Load: 30.8 t ADT: 14,730

I-695 OL

Good

Over: BEAR CREEK

MILEPOST M46.2, Baltimore, MD

Built 1997 Load: 31.1 t ADT: 15,948

CARRS MILL ROAD

Good

Over: BEAR CABIN BRANCH

1.7 MILES N OF MD 152, Harford, MD

Built 2018 Load: 31.1 t ADT: 8,142

UPPER LEVEL ROADWA

Good

Over: LOWER LEVEL ROADWAY

BWI AIRPORT, Anne Arundel, MD

Built 1996 Load: 31.3 t ADT: 23,198

MD 75

Good

Over: LITTLE PIPE CREEK

0.06 MILE NORTH OF MR 84, Carroll, MD

Built 1960 Load: 31.3 t ADT: 3,821

MD 272

Good

Over: NORTHEAST CREEK

0.62 MILE NORTH OF MD 274, Cecil, MD

Built 2001 Load: 31.3 t ADT: 10,462

MD 28

Good

Over: WASHINGTON RUN

1.05 MILES EAST OF US 15, Frederick, MD

Built 2008 Load: 31.3 t ADT: 6,272

MD 560

Good

Over: GLADE RUN

2.33 MILES NORTH OF US 50, Garrett, MD

Built 1950 Load: 31.7 t ADT: 1,914

MD 213

Good

Over: WOODLAND CREEK

0.09 M S OF DAVES HILL RD, Kent, MD

Built 1950 Load: 31.7 t ADT: 4,211

Showing 3,901-3,950 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.