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

THRIFT ROAD

Fair

Over: TRIB TO PISCATAWAY CREEK

0.11 MI N OF WINDBROOK DR, Prince George's, MD

Built 1989 Load: 45.4 t ADT: 9,577

IS 68

Fair

Over: MD 144

0.57 MILE WEST OF US 220, Allegany, MD

Built 1967 Load: 45.8 t ADT: 26,680

US 50/301

Fair

Over: BOULTERS WAY

0.07 MILE WEST OF MD 2, Anne Arundel, MD

Built 1953 Load: 45.8 t ADT: 121,160

MD 25

Fair

Over: BLACKROCK RUN

1.46 MILE SOUTH OF MD 137, Baltimore, MD

Built 1995 Load: 45.8 t ADT: 3,551

MASEMORE ROAD

Fair

Over: BUSH CABIN RUN

1.4 MI N OF MT CARMEL RD, Baltimore, MD

Built 1910 Load: 45.8 t ADT: 275

MONROE STREET

Fair

Over: B&O MUSEUM RR

MONROE ST & MT CLARE MANS, Baltimore city, MD

Built 1993 Load: 45.8 t ADT: 17,281

IS 95 SB

Fair

Over: MTA LIGHT RAIL AND STORA

I-95 / I-395 INTERCHANGE, Baltimore city, MD

Built 1977 Load: 45.8 t ADT: 89,029

HARNEY ROAD

Fair

Over: PINEY CREEK

0.60 MI N OF MD 140, Carroll, MD

Built 1958 Load: 45.8 t ADT: 2,818

US 1

Fair

Over: OCTORARO CREEK

.54 MILE NORTH OF MD 591A, Cecil, MD

Built 1933 Load: 45.8 t ADT: 11,282

CHILDS ROAD

Fair

Over: LITTLE ELK CREEK

0.55 MI NE OF MD 545, Cecil, MD

Built 1946 Load: 45.8 t ADT: 964

I-95

Fair

Over: AMTRAK RR

Milepost M109.2, Cecil, MD

Built 1962 Load: 45.8 t ADT: 64,281

IS 270

Fair

Over: MONOCACY RIVER

1.32 MILE SOUTH OF MD 85, Frederick, MD

Built 1950 Load: 45.8 t ADT: 80,340

MD 175 WB & RMP B

Fair

Over: LITTLE PATUXENT RIVER

0.27 MILE NORTH OF US 29, Howard, MD

Built 1970 Load: 45.8 t ADT: 47,121

DUNLOGGIN ROAD

Fair

Over: PLUMTREE BRANCH

0.5 MI W OF ST JOHNS LANE, Howard, MD

Built 1965 Load: 45.8 t ADT: 1,621

MD 185

Fair

Over: CSX TRANS.

0.10 MILE NORTH OF MD 547, Montgomery, MD

Built 1957 Load: 45.8 t ADT: 42,252

IS 595

Fair

Over: CSXT & COLLINGTON BRANCH

0.47 MILE WEST OF MD 197, Prince George's, MD

Built 1992 Load: 45.8 t ADT: 113,590

US 50

Fair

Over: US 50PA

0.52 MILE WEST OF IS 95, Prince George's, MD

Built 1961 Load: 45.8 t ADT: 91,392

CASH CORNER ROAD

Fair

Over: JOHNSON CREEK

0.35 MILES EAST OF MD 667, Somerset, MD

Built 1998 Load: 45.8 t ADT: 356

MD 845A

Fair

Over: LITTLE ANTIETAM CREEK

0.56 MILE NORTH OF MD 34, Washington, MD

Built 1927 Load: 45.8 t ADT: 490

MD 60

Fair

Over: ANTIETAM CREEK

0.66 MILE WEST OF MD 62, Washington, MD

Built 1941 Load: 45.8 t ADT: 9,902

US 13 BUS SB

Fair

Over: NORFOLK SOUTHERN RR

1.0 MILE NORTH OF US 50BU, Wicomico, MD

Built 1951 Load: 45.8 t ADT: 16,405

US 113 NB

Fair

Over: CORKERS CREEK

1.80 MILES S OF US 113BU, Worcester, MD

Built 1971 Load: 45.8 t ADT: 3,644

CASH VALLEY ROAD

Fair

Over: UNNAMED STREAM

0.21 MI N OF US 40 ALT, Allegany, MD

Built 1966 Load: 46.3 t ADT: 3,430

US 40

Fair

Over: WHITEMARSH RUN

0.67 MILE WEST OF MD 43, Baltimore, MD

Built 1935 Load: 46.3 t ADT: 29,100

IS 83

Fair

Over: BUFFALO CREEK

2.80 MI S OF MD 137, Baltimore, MD

Built 1955 Load: 46.3 t ADT: 64,381

GLEN ARM ROAD

Fair

Over: HAYSTACK BRANCH

0.6 MI W OF HARFORD RD, Baltimore, MD

Built 1976 Load: 46.3 t ADT: 7,740

WASHINGTON BOULEVA

Fair

Over: GWYNNS FALLS

0.5 MI W MONROE ST, Baltimore city, MD

Built 1975 Load: 46.3 t ADT: 16,525

PEPPER ROAD

Fair

Over: FAULKNER BRANCH

0.8 MILES NORTH OF MD 318, Caroline, MD

Built 1994 Load: 46.3 t ADT: 342

HALTER ROAD

Fair

Over: BIG PIPE CREEK

0.12 MI N OF STUDY RD, Carroll, MD

Built 1966 Load: 46.3 t ADT: 669

BAILIFF ROAD

Fair

Over: STONY RUN

0.97 MI S OF THEODORE RD, Cecil, MD

Built 1950 Load: 46.3 t ADT: 219

MD 85

Fair

Over: BALLENGER CREEK

1.3 MILES SOUTH OF IS 270, Frederick, MD

Built 1926 Load: 46.3 t ADT: 17,450

CASHELL ROAD

Fair

Over: WILLIAMSBURG RUN

0.9 MI S OF BOWIE MILL RD, Montgomery, MD

Built 1972 Load: 46.3 t ADT: 6,159

US 301 NB

Fair

Over: WESTERN BRANCH

0.12 MILE S OF MD 976C, Prince George's, MD

Built 1959 Load: 46.3 t ADT: 35,812

BALTIMORE LANE

Fair

Over: FOLLY BRANCH

0.29 MI N OF MD 450, Prince George's, MD

Built 1998 Load: 46.3 t ADT: 990

KERBY HILL ROAD SE

Fair

Over: CAREY BRANCH

0.10 MI W OF MD 210, Prince George's, MD

Built 1948 Load: 46.3 t ADT: 1,518

SUITLAND PARKWAY

Fair

Over: SUITLAND ROAD

1.6 MILES WEST OF FORESTV, Prince George's, MD

Built 1944 Load: 46.3 t ADT: 16,850

US 40

Fair

Over: BEAVER CREEK

0.67 MILE WEST OF MD 66, Washington, MD

Built 1936 Load: 46.3 t ADT: 10,742

IS 70 EB

Fair

Over: ASHTON RD

0.76 MILE EAST OF MD 68, Washington, MD

Built 1965 Load: 46.3 t ADT: 40,770

BROADFORDING ROAD

Fair

Over: LITTLE CONOCOCHEAGUE CRK

1.59 MI N OF US RTE 40, Washington, MD

Built 1972 Load: 46.3 t ADT: 868

US 50 WB

Fair

Over: BARREN CREEK

0.26 MILE EAST OF MD 313, Wicomico, MD

Built 1950 Load: 46.3 t ADT: 25,871

MD 36

Fair

Over: NORTH BRANCH

0.04 MILE SOUTH OF MD 47, Allegany, MD

Built 1960 Load: 46.7 t ADT: 2,290

WAVERLY STREET

Fair

Over: GEORGES CREEK

0.03 MI W OF MD 937, Allegany, MD

Built 1993 Load: 46.7 t ADT: 595

MD 940

Fair

Over: CSX TRANS & GWYNNS FALLS

0.08 MILE SOUTH OF MD 140, Baltimore, MD

Built 1985 Load: 46.7 t ADT: 45,921

MERRITT BOULEVARD

Fair

Over: BREAD AND CHEESE CREEK

0.31 MI S. OF MD 208, Baltimore, MD

Built 1958 Load: 46.7 t ADT: 45,947

I-83 NB

Fair

Over: MTA LIGHT RAIL YARD

STA. 150-158, Baltimore city, MD

Built 1959 Load: 46.7 t ADT: 117,171

IS 95 NB

Fair

Over: GUSRYAN ST

500 FT W OF DUNDALK AVE, Baltimore city, MD

Built 1976 Load: 46.7 t ADT: 69,003

COON CLUB ROAD

Fair

Over: EAST BRANCH PATAPSCO RIV

0.15 MI E OF HOUCK RD, Carroll, MD

Built 1964 Load: 46.7 t ADT: 2,650

POORHOUSE ROAD

Fair

Over: MILL RUN

1 MI SE RIPLEY ROAD, Charles, MD

Built 1996 Load: 46.7 t ADT: 3,475

MD 136

Fair

Over: BIG BRANCH

2.64 MILES NORTH OF MD 24, Harford, MD

Built 1934 Load: 46.7 t ADT: 2,420

MORSE ROAD

Fair

Over: EAST BRANCH/WINTERS RUN

0.3 MILES NE OF MD 23, Harford, MD

Built 1997 Load: 46.7 t ADT: 1,045

Showing 2,701-2,750 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.