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

US 301 NB

Fair

Over: RED LION BRANCH

0.27 MILE NORTH OF MD 290, Queen Anne's, MD

Built 1955 Load: 75.7 t ADT: 5,500

MD 2

Fair

Over: CABIN BRANCH

0.03 MI N OF MD 711, Anne Arundel, MD

Built 1968 Load: 76.2 t ADT: 46,601

BUCKINGHAM ROAD

Fair

Over: GWYNNS FALLS

0.4 MI NE LIBERTY RD, Baltimore, MD

Built 1972 Load: 76.2 t ADT: 2,209

MD 733A

Fair

Over: SAVAGE RIVER

.01 MILE WEST OF US 40AL, Garrett, MD

Built 1840 Load: 76.2 t ADT: 4

MD 662

Fair

Over: BRANCH OF WYE RIVER

.06 M N OF TALBOT CO LINE, Queen Anne's, MD

Built 1914 Load: 76.2 t ADT: 860

MD 242

Fair

Over: LOCUST RUN

1.62 MILES SOUTH OF MD 5, St. Mary's, MD

Built 1929 Load: 76.2 t ADT: 2,371

PATAPSCO AVENUE

Fair

Over: CSX

1 MI E OF I-95, Baltimore city, MD

Built 1962 Load: 76.6 t ADT: 12,100

NORTH BEACH ROAD

Fair

Over: HUNTING CREEK

CUNN. FALLS STATE PARK, Frederick, MD

Built 1980 Load: 76.6 t ADT: 100

SHADY GROVE RD WB

Fair

Over: CSXT RAILROAD

0.5 MI EAST OF MD 355, Montgomery, MD

Built 1976 Load: 76.6 t ADT: 35,374

CHERRYWOOD LANE

Fair

Over: INDIAN CREEK

0.9 MI NORTH OF MD 193, Prince George's, MD

Built 1989 Load: 76.6 t ADT: 7,353

PINDER HILL ROAD

Fair

Over: BROWNS BRANCH

0.73 MI. NE OF MD 300, Queen Anne's, MD

Built 1986 Load: 76.6 t ADT: 1,215

WILSON ROAD

Fair

Over: NORTH BRANCH OF THE POTO

ON WEST VIRGINIA LINE, Garrett, MD

Built 1942 Load: 77.1 t ADT: 250

HARPERS FERRY ROAD

Fair

Over: ANTIETAM CREEK

ANTIETAM MD, Washington, MD

Built 1832 Load: 77.1 t ADT: 720

RED RUN BOULEVARD

Fair

Over: RED RUN

0.6 MI SOUTH OF I-795, Baltimore, MD

Built 1997 Load: 77.5 t ADT: 10,305

OLD TELEGRAPH ROAD

Fair

Over: GREAT BOHEMIA CREEK

0.04 MI N OF BUNKER HI R, Cecil, MD

Built 2002 Load: 77.5 t ADT: 1,456

MD 2

Fair

Over: MARLEY CREEK

0.13 M N OF PHELPS AVENUE, Anne Arundel, MD

Built 1936 Load: 78.0 t ADT: 23,961

US 40

Fair

Over: MILL CREEK

0.83 MILE EAST OF MD 222, Cecil, MD

Built 1941 Load: 78.0 t ADT: 22,280

BIG RUN ROAD

Fair

Over: BIG RUN

0.16 MI NW SAVAGE RIVER R, Garrett, MD

Built 1935 Load: 78.0 t ADT: 55

BW PARKWAY

Fair

Over: MD ROUTE 212

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

Built 1953 Load: 78.0 t ADT: 80,000

MD 222

Fair

Over: OCTORARO CREEK

0.88 MILE SOUTH OF US 1, Cecil, MD

Built 1900 Load: 78.5 t ADT: 2,959

MILT SUMMERS ROAD

Fair

Over: TRIB. OF CATOCTIN CREEK

0.3 MI W OF MT TABOR RD, Frederick, MD

Built 1977 Load: 78.5 t ADT: 1,210

MD 650

Fair

Over: NORTHWEST BRANCH

0.05 MILE SOUTH OF MD 320, Prince George's, MD

Built 1939 Load: 78.5 t ADT: 40,653

I-395 SB

Fair

Over: HAMBURG ST

Milepost 1.4, Baltimore city, MD

Built 1982 Load: 78.9 t ADT: 30,420

SMITHVILLE ROAD

Fair

Over: BEAVERDAM CREEK

4.7 MILES S. OF MD. 16, Dorchester, MD

Built 1985 Load: 78.9 t ADT: 143

HIP ROOF ROAD

Fair

Over: SPICER CREEK

2.53 MILES W. OF MD. 335, Dorchester, MD

Built 1987 Load: 78.9 t ADT: 304

ST JOHN ROAD

Fair

Over: ST JOHN CREEK

0.07 MI. E. OF PUNCH IS R, Dorchester, MD

Built 1984 Load: 78.9 t ADT: 82

BISHOPS HEAD ROAD

Fair

Over: GOOSE CREEK

0.37 MI S OF TODDVILLE RD, Dorchester, MD

Built 1989 Load: 78.9 t ADT: 133

WESLEY CHURCH ROAD

Fair

Over: FARM CREEK

0.68 MI. N. OF TODDVILLE, Dorchester, MD

Built 1985 Load: 78.9 t ADT: 349

ELLIOTT ISLAND ROA

Fair

Over: POKATA CREEK

7.93 MI.S. OF LEWIS W. RD, Dorchester, MD

Built 1981 Load: 78.9 t ADT: 204

WALTERS MILL ROAD

Fair

Over: STOUT BOTTLE BRANCH

0.2 MILES W OF MD 543, Harford, MD

Built 1959 Load: 78.9 t ADT: 508

MD 117

Fair

Over: GUNNERS BRANCH

1.21 MILES EAST OF MD 118, Montgomery, MD

Built 1951 Load: 78.9 t ADT: 18,752

CHANTILLY LANE

Fair

Over: LOTTSFORD BRANCH

0.63 MI WEST OF MD 193, Prince George's, MD

Built 1979 Load: 78.9 t ADT: 2,309

CHAPEL POINT RD

Fair

Over: WILLS BRANCH

1.1 MI S LOCUST GROVE DR, Charles, MD

Built 1997 Load: 79.4 t ADT: 838

CHELSEA ROAD

Fair

Over: AMTRAK RAILROAD

0.3 MILES SE OF MD 159, Harford, MD

Built 1981 Load: 79.4 t ADT: 2,130

LOUDON AVENUE

Fair

Over: UNNAMED STREAM

1.5 MI EAST OF RTE 1, Howard, MD

Built 2004 Load: 79.4 t ADT: 540

RIDINGS WAY

Fair

Over: UNNAMED STREAM

0.4 Mile West of MD 1, Howard, MD

Built 1996 Load: 79.4 t ADT: 100

ROYAL OAK ROAD

Fair

Over: PETERS CREEK

1 MI NW OF MD RTE 349, Wicomico, MD

Built 1995 Load: 79.4 t ADT: 718

INDIA AVENUE

Fair

Over: COULTON RUN

0.13 MI WEST OF US RT. 1, Baltimore, MD

Built 1978 Load: 79.8 t ADT: 100

MD 314

Fair

Over: CHOPTANK RIVER

0.04 MILE WEST OF MD 313, Caroline, MD

Built 1995 Load: 79.8 t ADT: 2,621

SPARKS MILL ROAD

Fair

Over: GRANNY FINLEY BRANCH

1.1 MI. WEST OF MD 213, Queen Anne's, MD

Built 1985 Load: 79.8 t ADT: 221

COLLEGE ROAD

Fair

Over: SAINT JAMES RUN

1.0 MI NE OF MD RTE 68, Washington, MD

Built 1950 Load: 79.8 t ADT: 1,006

WATERSVILLE ROAD

Fair

Over: SOUTH BRANCH OF PATAPSCO

WATERSVILLE RD 2.81, Carroll, MD

Built 1976 Load: 80.3 t ADT: 938

MD 404 EB

Fair

Over: NORWICH CREEK

ON TALBOT CO LINE, Queen Anne's, MD

Built 1949 Load: 80.7 t ADT: 13,631

CLARKS LANE

Fair

Over: WESTERN RUN

0.1 MI N CROSS COUNTRY BL, Baltimore city, MD

Built 1973 Load: 81.2 t ADT: 30,841

BIG WOODS ROAD

Fair

Over: LITTLE MONOCACY RIVER

0.6 MI S OF JCT SR 28, Montgomery, MD

Built 1919 Load: 81.2 t ADT: 345

ALLEN ROAD

Fair

Over: PASSERDYKE CREEK

ON SOMERSET CO LINE, Wicomico, MD

Built 1991 Load: 81.2 t ADT: 1,196

RASPE AVENUE

Fair

Over: REDHOUSE CREEK

0.79 MILES EAST OF US 1, Baltimore, MD

Built 1948 Load: 81.6 t ADT: 604

US 15 BU

Fair

Over: FLAT RUN

0.75 MILE SOUTH OF US 15, Frederick, MD

Built 1927 Load: 81.6 t ADT: 1,820

RACE TRACK ROAD

Fair

Over: TRIB OF PATUXENT RIVER

1000 FT S BOWIE RACE TRCK, Prince George's, MD

Built 1969 Load: 81.6 t ADT: 11,670

MD 68

Fair

Over: ANTIETAM CREEK

1.9 MILES EAST OF MD 65, Washington, MD

Built 1833 Load: 81.6 t ADT: 2,592

Showing 3,451-3,500 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.