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

MD 67

Fair

Over: DOG CREEK

1.87 MILES N OF MD 67A, Washington, MD

Built 1959 Load: 32.7 t ADT: 5,422

MD 67

Fair

Over: LITTLE ANTIETAM CREEK

0.41 MILE S OF MD 858F, Washington, MD

Built 1959 Load: 32.7 t ADT: 5,422

MD 491

Fair

Over: LITTLE ANTIETAM CREEK

1.21 MILES NORTH OF MD 64, Washington, MD

Built 1961 Load: 32.7 t ADT: 2,130

MD 632

Fair

Over: ST JAMES RUN

0.02 MILE SOUTH OF IS 70, Washington, MD

Built 1966 Load: 32.7 t ADT: 5,601

MD 66

Fair

Over: BLACKROCK CREEK

0.27 MILE SOUTH OF IS 70, Washington, MD

Built 1968 Load: 32.7 t ADT: 5,291

BOYD ROAD

Fair

Over: CAMP SPRING RUN

0.88 M S 0F US RTE 40, Washington, MD

Built 1950 Load: 32.7 t ADT: 1,116

HOPEWELL ROAD

Fair

Over: SEMPLE RUN

0.19 MI S OF IS 70, Washington, MD

Built 1966 Load: 32.7 t ADT: 933

ROXBURY ROAD

Fair

Over: ANTIETAM CREEK

1.27 MI W OF ALT US RT 40, Washington, MD

Built 1824 Load: 32.7 t ADT: 778

AMOS REEDER ROAD

Fair

Over: DOG CREEK

0.66 MI SE OF MD RTE 67, Washington, MD

Built 1958 Load: 32.7 t ADT: 238

SOUTH HAWBAKER CIR

Fair

Over: TOM'S RUN

0.09 MI. W.OF S MILL ST., Washington, MD

Built 1977 Load: 32.7 t ADT: 56

MD 313

Fair

Over: PLUM CREEK

1.05 MILES S OF MD 348, Wicomico, MD

Built 1955 Load: 32.7 t ADT: 1,420

US 50 EB

Fair

Over: BURNT MILL BRANCH

0.50 MI W OF WORCESTER CO, Wicomico, MD

Built 1964 Load: 32.7 t ADT: 24,122

US 50 WB

Fair

Over: BURNT MILL BRANCH

0.50 MI W OF WORCESTER CO, Wicomico, MD

Built 1964 Load: 32.7 t ADT: 24,122

MD 347

Fair

Over: REWASTICO CREEK

0.27 MILE SOUTH OF US 50, Wicomico, MD

Built 1966 Load: 32.7 t ADT: 1,391

US 113 SB

Fair

Over: BACHELORS BRANCH

3.1 MILES NORTH OF MD 756, Worcester, MD

Built 1939 Load: 32.7 t ADT: 5,662

MD 376

Fair

Over: TRAPPE CREEK

1.32 MILES EAST OF US 113, Worcester, MD

Built 1964 Load: 32.7 t ADT: 4,122

OLD FURNACE ROAD

Fair

Over: NASSAWANGO CREEK

0.95 MI SW OF MD 12, Worcester, MD

Built 1995 Load: 32.7 t ADT: 435

OCEAN PARKWAY NB

Fair

Over: POND

200' NORTH OF MD 589, Worcester, MD

Built 1970 Load: 32.7 t ADT: 5,660

OCEAN PARKWAY SB

Fair

Over: POND

200' NORTH OF MD 589, Worcester, MD

Built 1970 Load: 32.7 t ADT: 5,660

VICTORY POST DRIVE

Fair

Over: GEORGES CREEK

0.04 MI N OF MD 937, Allegany, MD

Built 1950 Load: 33.1 t ADT: 1,599

IS 95 RAMP D

Fair

Over: UTILITY ACCESS RD

Milepost M57.1, Baltimore city, MD

Built 1980 Load: 33.1 t ADT: 6,591

I-395 NB

Fair

Over: OSTEND ST/LOTS G&H

Milepost 1.1, Baltimore city, MD

Built 1981 Load: 33.1 t ADT: 26,190

MILL RUN ROAD

Fair

Over: MILL RUN

1.6 M NE FRNDSVLLEADDISON, Garrett, MD

Built 1950 Load: 33.1 t ADT: 29

RECKORD ROAD

Fair

Over: WILDCAT BRANCH

0.1 MILES S OF US 1, Harford, MD

Built 1957 Load: 33.1 t ADT: 961

HESS ROAD

Fair

Over: YELLOW BRANCH

0.5 MILES E OF MD 146, Harford, MD

Built 1950 Load: 33.1 t ADT: 8,065

US 29 NB

Fair

Over: LITTLE PATUXENT RIVER

1.62 MILES S OF MD 175, Howard, MD

Built 1971 Load: 33.1 t ADT: 73,292

MD 650

Fair

Over: HAWLINGS RIVER

1.88 MILES N OF MD 108, Montgomery, MD

Built 1929 Load: 33.1 t ADT: 7,660

IS 495X

Fair

Over: CABIN JOHN CREEK

0.22 MILE NORTH OF GV 6, Montgomery, MD

Built 1964 Load: 33.1 t ADT: 19,820

IS 95 IL

Fair

Over: CSX TRANS & WMATA

1.12 MILES N OF MD 201, Prince George's, MD

Built 1963 Load: 33.1 t ADT: 96,390

IS 95 OL

Fair

Over: CSX TRANS & WMATA

1.12 MILES N OF MD 201, Prince George's, MD

Built 1963 Load: 33.1 t ADT: 96,390

MD 544

Fair

Over: PEARL CREEK

1.06 MILE SOUTH OF MD 290, Queen Anne's, MD

Built 1971 Load: 33.1 t ADT: 2,751

US 50/301

Fair

Over: KENT ISLAND NARROW

0.59 MILE WEST OF MD 835, Queen Anne's, MD

Built 1990 Load: 33.1 t ADT: 65,701

MD 242

Fair

Over: BR OF ST CLEMENTS CREEK

0.58 MILE SOUTH OF MD 5, St. Mary's, MD

Built 1951 Load: 33.1 t ADT: 2,431

SOUTH DIVISION STR

Fair

Over: EAST BRANCH OF WICOMICO

0.2 MI S OF US 50 BUS, Wicomico, MD

Built 1981 Load: 33.1 t ADT: 2,764

US 113 BU

Fair

Over: PURNELL BRANCH

0.39 MILE S OF US 113, Worcester, MD

Built 1952 Load: 33.1 t ADT: 7,120

US 113 SB

Fair

Over: PILCHARD CREEK

0.68 MILE NORTH OF MD 756, Worcester, MD

Built 1969 Load: 33.1 t ADT: 2,751

MD 51

Fair

Over: C&O CANAL

0.64 MI W OF W VA LINE, Allegany, MD

Built 1932 Load: 33.4 t ADT: 1,642

MD 176

Fair

Over: PINEY RUN

0.47 MI E OF MD 295, Anne Arundel, MD

Built 1949 Load: 33.6 t ADT: 2,452

MD 147

Fair

Over: GUNPOWDER FALLS

0.03 MI S OF NOTCH CLIFF, Baltimore, MD

Built 1929 Load: 33.6 t ADT: 7,982

MALVERN AVENUE

Fair

Over: TOWSON RUN

0.1 MI W CHARLES ST, Baltimore, MD

Built 1910 Load: 33.6 t ADT: 2,373

KEITH AVENUE VIADU

Fair

Over: CONSOL ENERGY RAIL YARD

KEITH AVE OVER CONSOL, Baltimore city, MD

Built 1981 Load: 33.6 t ADT: 46,104

IS 95 SB

Fair

Over: B&O RR

Milepost M52.0, Baltimore city, MD

Built 1978 Load: 33.6 t ADT: 94,226

IS 95 RAMP J

Fair

Over: HANOVER ST, RACE ST, CSX

Milepost M55.2, Baltimore city, MD

Built 1979 Load: 33.6 t ADT: 10,013

IS 95 RAMP A

Fair

Over: QUAD AVE, HERRING RUN

SB ON RAMP FROM MORAVIA, Baltimore city, MD

Built 1974 Load: 33.6 t ADT: 6,464

FRIZZELLBURG ROAD

Fair

Over: MEADOW BRANCH

1.07 MILES S OF MD 832, Carroll, MD

Built 1966 Load: 33.6 t ADT: 679

BREWSTER BRIDGE RO

Fair

Over: BIG ELK CREEK

0.71 MI E OF ELK MILLS RD, Cecil, MD

Built 1972 Load: 33.6 t ADT: 1,763

MD 75

Fair

Over: BUSH CREEK

.65 MILE SOUTH OF MD 75FB, Frederick, MD

Built 1972 Load: 33.6 t ADT: 6,492

LIMESTONE LANE

Fair

Over: BR OF HOLLOW CREEK

AT BEECHTREE LANE INTERSC, Frederick, MD

Built 1960 Load: 33.6 t ADT: 50

CRANESVILLE ROAD

Fair

Over: MUDDY CREEK

1.2 M N INT MAPPLE GLADE, Garrett, MD

Built 1953 Load: 33.6 t ADT: 372

DURST ROAD

Fair

Over: NORTH BRANCH OF THE CASS

0.5 MI SE INT AMISH ROAD, Garrett, MD

Built 1999 Load: 33.6 t ADT: 139

Showing 1,951-2,000 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.