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

IS 83 NBR

Fair

Over: GUNPOWDER FALLS

1.92 M N OF MD 137, Baltimore, MD

Built 1958 Load: 44.9 t ADT: 59,820

MD 695 IL

Fair

Over: NORFOLK SOUTHERN RR

0.18 MILE SOUTH OF MD 151, Baltimore, MD

Built 1966 Load: 44.9 t ADT: 41,012

MIDDLE RIVER ROAD

Fair

Over: CSX RAILROAD

0.09 MI N OF US 40, Baltimore, MD

Built 1991 Load: 44.9 t ADT: 17,445

TRACEY'S STORE ROA

Fair

Over: PRETTYBOY BRANCH

1.7 MI NE OF FORESTON RD, Baltimore city, MD

Built 1932 Load: 44.9 t ADT: 110

IS 95 SB

Fair

Over: B & O RR

0.25 MI S OF PULASKI HWY, Baltimore city, MD

Built 1972 Load: 44.9 t ADT: 68,217

MD 496

Fair

Over: BEAR BRANCH

0.76 MILE EAST OF MD 97, Carroll, MD

Built 1931 Load: 44.9 t ADT: 4,042

US 1

Fair

Over: BRANCH OF STONE RUN

1.45 MILE NORTH OF MD 276, Cecil, MD

Built 1956 Load: 44.9 t ADT: 7,802

BELVIDERE ROAD

Fair

Over: PRINCIPIO CREEK

0.03 MI S OF LINTON R RD, Cecil, MD

Built 1996 Load: 44.9 t ADT: 675

OLD ELK NECK ROAD

Fair

Over: AMTRAK

0.32 MI S OF US 40, Cecil, MD

Built 1980 Load: 44.9 t ADT: 5,968

MD 28

Fair

Over: BR OF POTOMAC RIVER

0.58 MI E OF ROCK HALL RD, Frederick, MD

Built 1937 Load: 44.9 t ADT: 6,272

US 40 WBR

Fair

Over: ROCK CREEK

0.01 M E OF ROCK CREEK DR, Frederick, MD

Built 1936 Load: 44.9 t ADT: 20,782

MILL ISLAND PKWY

Fair

Over: TUSCARORA CREEK

0.9 MI. NORTH OF MD 26, Frederick, MD

Built 1996 Load: 44.9 t ADT: 4,274

MD 42

Fair

Over: GLADE RUN

1.45 MILES S OF PA LINE, Garrett, MD

Built 1933 Load: 44.9 t ADT: 691

IS 68 WB

Fair

Over: SAND SPRING RD

0.66 MILE EAST OF W VA, Garrett, MD

Built 1975 Load: 44.9 t ADT: 15,710

MD 165

Fair

Over: WEST BRANCH

1.03 MILES N OF MD 152, Harford, MD

Built 2004 Load: 44.9 t ADT: 7,471

MD 32 EB

Fair

Over: CSX TRANSPORTATION

ON ANNE ARUNDEL CO LINE, Howard, MD

Built 1983 Load: 44.9 t ADT: 65,902

SHEPPARD LANE

Fair

Over: MIDDLE PATUXENT RIVER

1.3 MI N OF MD RTE 108, Howard, MD

Built 1983 Load: 44.9 t ADT: 3,124

RANDOLPH ROAD (EB)

Fair

Over: ROCK CREEK

1.5 MILES EAST OF MD 355, Montgomery, MD

Built 1953 Load: 44.9 t ADT: 23,434

SEVEN LOCKS ROAD

Fair

Over: CABIN JOHN CREEK

0.1 MI S OF JCT SR MD 190, Montgomery, MD

Built 1980 Load: 44.9 t ADT: 9,414

MD 212

Fair

Over: PAINT BRANCH

1.37 MILES N OF IS 495, Prince George's, MD

Built 1934 Load: 44.9 t ADT: 23,281

IS 595 WB

Fair

Over: FOLLY BRANCH

1.11 MILES WEST OF MD 193, Prince George's, MD

Built 1955 Load: 44.9 t ADT: 113,590

GREENWOOD LANE

Fair

Over: BALD HILL BRANCH

0.22 MI NE OF MD 450, Prince George's, MD

Built 1967 Load: 44.9 t ADT: 5,960

MD 632

Fair

Over: NORFOLK & WESTERN RR

0.75 MILE NORTH OF IS 70, Washington, MD

Built 1976 Load: 44.9 t ADT: 12,081

PEARRE ROAD

Fair

Over: SIDELING HILL CREEK

ON ALLEGANY CO LINE, Washington, MD

Built 1890 Load: 44.9 t ADT: 66

ASHTON ROAD

Fair

Over: LITTLE CONOCOCHEAGUE CRE

0.19 MI N OF IS 70, Washington, MD

Built 1960 Load: 44.9 t ADT: 704

HOGMAW ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.45 MI W OF MD RTE 67, Washington, MD

Built 1988 Load: 44.9 t ADT: 153

MD 256

Fair

Over: ROCKHOLD CREEK

0.94 MI W OF MD 258, Anne Arundel, MD

Built 1980 Load: 45.4 t ADT: 3,344

IS 195 EBR

Fair

Over: AMTRAK, PATAPSCO RIVER

0.96 MI N OF MD 295, Anne Arundel, MD

Built 1990 Load: 45.4 t ADT: 39,015

IS 695 IL

Fair

Over: EDMONDSON AVENUE

0.48 MILE NORTH OF MD 144, Baltimore, MD

Built 1957 Load: 45.4 t ADT: 180,306

SHELBOURNE ROAD

Fair

Over: WEST BRANCH HERBERT RUN

0.5 MI N SULPHUR SPRING R, Baltimore, MD

Built 1920 Load: 45.4 t ADT: 3,710

IS 95 NB

Fair

Over: B&O RR

Milepost M52.0, Baltimore city, MD

Built 1982 Load: 45.4 t ADT: 91,311

ROOP ROAD

Fair

Over: PINEY CREEK

.7 M SE OF BULLFROG RD, Carroll, MD

Built 1912 Load: 45.4 t ADT: 317

HUGHES ROAD

Fair

Over: BEAVER RUN

0.23 MI WEST OF MD 91, Carroll, MD

Built 1976 Load: 45.4 t ADT: 330

MD 213

Fair

Over: LONG BRANCH

0.17 MILE NORTH OF MD 285, Cecil, MD

Built 1949 Load: 45.4 t ADT: 14,551

OLD ELK NECK ROAD

Fair

Over: PLUM CREEK

4 MI NW CHESAPEAKE CITY, Cecil, MD

Built 1992 Load: 45.4 t ADT: 777

RAGAN ROAD

Fair

Over: BRANCH OF OCTORARO CREEK

0.04 MI E OF JOHNSON RD, Cecil, MD

Built 1945 Load: 45.4 t ADT: 802

MD 6

Fair

Over: NANJEMOY CREEK

1.4 MILES WEST OF MD 425, Charles, MD

Built 1922 Load: 45.4 t ADT: 1,972

MD 234

Fair

Over: ALLENS FRESH RUN

1.0 MILE EAST OF US 301, Charles, MD

Built 1933 Load: 45.4 t ADT: 6,741

MD 180

Fair

Over: LITTLE CATOCTIN CREEK

1.31 MILES WEST OF MD 79, Frederick, MD

Built 1912 Load: 45.4 t ADT: 1,300

MD 180 WESTBOUND

Fair

Over: US 15

0.49 MILE EAST OF IS 70, Frederick, MD

Built 1968 Load: 45.4 t ADT: 27,750

US 219

Fair

Over: CSX TRANS., LITTLE YOUGH

.26 MILE SOUTH OF US 219A, Garrett, MD

Built 1959 Load: 45.4 t ADT: 6,372

MACPHAIL ROAD

Fair

Over: BYNUM RUN

1.6 MILES E OF MD 924, Harford, MD

Built 1974 Load: 45.4 t ADT: 3,095

BRIDGE DRIVE

Fair

Over: JOPPATOWNE CANAL

0.05 MI S OF TOWNE CNT DR, Harford, MD

Built 1975 Load: 45.4 t ADT: 1,342

MD 216

Fair

Over: PATUXENT RIVER

ON PRINCE GEORGES CO LINE, Howard, MD

Built 1960 Load: 45.4 t ADT: 24,762

IS 95 SB

Fair

Over: STANSFIELD RD

0.50 MI N OF PG CO, Howard, MD

Built 1970 Load: 45.4 t ADT: 186,040

IS 495

Fair

Over: SEVEN LOCKS RD

0.59 MILE EAST OF MD 190, Montgomery, MD

Built 1962 Load: 45.4 t ADT: 214,005

SHADY GROVE ROAD

Fair

Over: MILL CREEK

1.1 MI SOUTH OF MD 115, Montgomery, MD

Built 1975 Load: 45.4 t ADT: 67,323

DECOVERLY DRIVE

Fair

Over: TRIBUTARY TO MUDDY BRANC

0.7 MILES NORTH OF MD 28, Montgomery, MD

Built 2006 Load: 45.4 t ADT: 5,804

MONROE STREET

Fair

Over: TRUCK STREET

0.16 MI NORTH OF MD 28, Montgomery, MD

Built 1996 Load: 45.4 t ADT: 3,663

MD 212A

Fair

Over: CSX TRANS.

0.08 MILE NORTH OF US 1, Prince George's, MD

Built 1937 Load: 45.4 t ADT: 19,631

Showing 2,651-2,700 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.