State profile · Below national median SD

Maryland bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in Maryland — drawn straight from the FHWA National Bridge Inventory.

5,527
Public bridges
25.9%
Good condition
4.3%
Poor condition
4.3%
Structurally deficient

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 rated 0-4

Structurally Deficient

4.3%

236 bridges flagged for repair priority

-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 — Structurally deficient 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 on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below Maryland on the same metric.

09

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

47

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426
Selected

24

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

08

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

41

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 composite NBI rating. Each is inspected at least every 24 months.

All Bridges in Maryland

CHERRY HILL ROAD

Poor

Over: LITTLE PAINT BRANCH

0.5 MILES WEST OF US 1, Prince George's, MD

Built 1966 Load: 34.0 t ADT: 22,938

DOUBLE ROCK ACCESS

Poor

Over: STEMMERS RUN

0.1 MILES NW OF BELAIR RD, Baltimore, MD

Built 1950 Load: 34.5 t

MOLLY BERRY ROAD

Poor

Over: TRIB TO MATAPONI CREEK

0.12 MI S OF MD 382, Prince George's, MD

Built 1956 Load: 34.9 t ADT: 770

BRANDYWINE ROAD

Poor

Over: PISCATAWAY CREEK

2.27 MILES NORTH OF MD 5, Prince George's, MD

Built 1955 Load: 34.9 t ADT: 6,771

MONROE STREET RAMP

Poor

Over: CSX

0.2 MI S OF IS 95, Baltimore city, MD

Built 1963 Load: 36.3 t ADT: 16,520

HENRYTON ROAD

Poor

Over: TRIBUTARY OF PATAPSCO RI

1.24 MI N OF MD RTE 99, Howard, MD

Built 1925 Load: 36.3 t ADT: 1,180

LIVINGSTON ROAD

Poor

Over: HUNTERS MILL BRANCH

0.41 MI S OF MD 210, Prince George's, MD

Built 1977 Load: 36.3 t ADT: 5,600

UNION STREET

Poor

Over: TRIBUTARY TO NORTH BRANC

50 FT SOUTH OF E MAIN ST, Garrett, MD

Built 1930 Load: 36.7 t ADT: 100

BELVIDERE ROAD

Poor

Over: CSX RAILROAD

0.82 MI S OF IS 95, Cecil, MD

Built 1973 Load: 37.2 t ADT: 1,623

GREENTREE ROAD

Poor

Over: BULLS RUN

0.5 MI E OF JCT SR 191, Montgomery, MD

Built 1949 Load: 37.2 t ADT: 10,816

POWHATAN STREET

Poor

Over: BRIER DITCH

AT WESTBROOK DRIVE, Prince George's, MD

Built 1975 Load: 37.2 t ADT: 1,672

MUMMAFORD ROAD

Poor

Over: MONOCACY RIVER

4.3 M E KEYSVILLE ROAD, Carroll, MD

Built 1911 Load: 38.1 t ADT: 268

SENECA ROAD

Poor

Over: BEAVER RUN BRANCH

0.5 MI E OF US RTE 29, Howard, MD

Built 1960 Load: 38.5 t ADT: 896

WEST LAFAYETTE AVE

Poor

Over: AMTRAK

0.2 MI W OF MONROE ST, Baltimore city, MD

Built 1931 Load: 39.0 t ADT: 7,030

STAFFORD ROAD

Poor

Over: BUCK BRANCH

0.5 MIL W OF GRAIGS CR RD, Harford, MD

Built 1980 Load: 39.0 t ADT: 508

CAMPUS DRIVE

Poor

Over: NORTHEAST BRANCH

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

Built 1964 Load: 39.5 t ADT: 8,781

GLENVILLE ROAD

Poor

Over: MILL BROOK

2.1 MILES NE OF MD 22, Harford, MD

Built 1930 Load: 39.9 t ADT: 816

BROWNS BRIDGE ROAD

Poor

Over: PATUXENT RIVER

1.4 MI E OF MD 650, Howard, MD

Built 1953 Load: 39.9 t ADT: 5,772

PATAPSCO AVENUE EB

Poor

Over: PATAPSCO RIVER

2 MI E BAL WASH EXPR, Baltimore city, MD

Built 1961 Load: 40.4 t ADT: 27,672

MCKINSTRY MILL RD

Poor

Over: LITTLE PIPE CREEK

0.04 MI S OF MD 75, Carroll, MD

Built 1900 Load: 40.4 t ADT: 234

FRIENDSVILLE - ADD

Poor

Over: MILL RUN

0.04 MI S OF MILL RUN RD, Garrett, MD

Built 1950 Load: 40.8 t ADT: 345

MD 26

Poor

Over: LIBERTY RESERVOIR

ON BALTO CO LINE, Carroll, MD

Built 1954 Load: 41.7 t ADT: 20,192

BRINK ROAD

Poor

Over: GREAT SENECA CREEK

2.1 MILES EAST OF MD 27, Montgomery, MD

Built 1936 Load: 42.6 t ADT: 16,456

DENNIS AVENUE

Poor

Over: SLIGO CREEK TRIBUTARY

0.32 MI E OF JCT SR 97, Montgomery, MD

Built 1961 Load: 42.6 t ADT: 8,590

MILL STREET

Poor

Over: WICOMICO RIVER EAST BRAN

500 FT S OF US RTE 50, Wicomico, MD

Built 1958 Load: 42.6 t ADT: 11,996

SNOWY CREEK ROAD

Poor

Over: SNOWY CREEK

1.05 MI. SW. OF HUTTON RD, Garrett, MD

Built 1957 Load: 43.1 t ADT: 209

HAMMONDS FERRY ROA

Poor

Over: CSX RAILROAD

50 FT N LANSDOWNE RD, Baltimore, MD

Built 1961 Load: 43.5 t ADT: 7,077

I-83

Poor

Over: MTA LIGHT RAIL

AT CITY LINE, Baltimore city, MD

Built 1962 Load: 44.9 t ADT: 29,900

HAWKINS POINT ROAD

Poor

Over: CSX

.1 MI S OF 695, Baltimore city, MD

Built 1930 Load: 44.9 t ADT: 15,177

IS 70 RAMP 'A'

Poor

Over: BEAVER CREEK

0.08 MI W OF MD 66, Washington, MD

Built 1968 Load: 44.9 t ADT: 37,200

MIDDLE NECK ROAD

Poor

Over: SANDY BRANCH

0.05 EAST OF OLD TELE RD, Cecil, MD

Built 1998 Load: 45.8 t ADT: 387

FRAZIER NECK ROAD

Poor

Over: LITTLE CREEK

0.6 MILES SOUTH OF MD 331, Caroline, MD

Built 1994 Load: 46.7 t ADT: 1,015

TUCKERMAN STREET

Poor

Over: BALD HILL BRANCH

0.02 MI E OF CIPRIANO RD, Prince George's, MD

Built 1963 Load: 46.7 t ADT: 3,386

ROCK AVE

Poor

Over: MIDWAY BRANCH

.03 MI W LEONARD WOOD AVE, Anne Arundel, MD

Built 1984 Load: 47.3 t ADT: 800

PENINSULA EXPRESSW

Poor

Over: CSX RAILROAD

0.5 MI E MERRITT BLVD, Baltimore, MD

Built 1960 Load: 48.1 t ADT: 11,183

PENINSULA EXPRESSW

Poor

Over: CSX RAILROAD

0.5 MI E MERRITT BLVD, Baltimore, MD

Built 1960 Load: 48.1 t ADT: 11,183

CLIPPER MILL ROAD

Poor

Over: PRETTYBOY RESERVOIR

0.3 MI E GUNPOWDER RD, Baltimore, MD

Built 1931 Load: 48.1 t ADT: 302

MD 144

Poor

Over: TOWN CREEK

0.37 MI E OF US 40AF, Allegany, MD

Built 1957 Load: 49.0 t ADT: 1,121

BREHMS LANE

Poor

Over: HERRING RUN

0.8 MI W ERDMAN AVE, Baltimore city, MD

Built 1963 Load: 49.4 t ADT: 32,043

MECHANICS VALLEY R

Poor

Over: CSX RAILROAD

1.58 MILES N OF MD 7, Cecil, MD

Built 1975 Load: 49.4 t ADT: 4,734

MD 136

Poor

Over: FALLING BRANCH

0.55 MILE NORTH OF MD 24, Harford, MD

Built 1931 Load: 49.4 t ADT: 2,161

SPRING STREET

Poor

Over: CSXT RR & WMATA METRO

0.3 MI SOUTH OF MD 97, Montgomery, MD

Built 1968 Load: 49.9 t ADT: 8,204

TUCKERMAN LANE

Poor

Over: SNAKEDEN BRANCH

.5 MI W OF SEVEN LOCKS RD, Montgomery, MD

Built 1966 Load: 49.9 t ADT: 19,882

LANSDOWNE BOULEVAR

Poor

Over: CSX RAILROAD

50 FT W HAMMONDS FERRY RD, Baltimore, MD

Built 1964 Load: 50.8 t ADT: 7,620

MORAVIA RD RAMP E

Poor

Over: PULASKI HIGHWAY

.2 MI. W. OF I 95, Baltimore city, MD

Built 1956 Load: 50.8 t ADT: 7,760

PULASKI HIGHWAY

Poor

Over: HERRING RUN

0.6 MI W OF IS 95, Baltimore city, MD

Built 1921 Load: 50.8 t ADT: 58,858

BRYANTOWN ROAD

Poor

Over: MILL DAM RUN

0.66 MI N OF MD 5, Charles, MD

Built 1933 Load: 51.7 t ADT: 1,497

CATCHPENNY ROAD

Poor

Over: TERRY BRANCH

0.2 MI S OF MD RTE 349, Wicomico, MD

Built 1951 Load: 51.7 t ADT: 435

OLD KILN ROAD

Poor

Over: LITTLE OWENS CREEK

0.06 MI EAST OF RODDY RD, Frederick, MD

Built 1975 Load: 52.6 t ADT: 338

BALTIMORE STREET

Poor

Over: WILLS CREEK

0.02 MI NE OF GREENE ST, Allegany, MD

Built 1916 Load: 53.1 t ADT: 11,780

Showing 5,401-5,450 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 Editorial.

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). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.