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

WOODLAWN DRIVE

Fair

Over: TRIBUTARY TO GWYNNS FALL

.09 MI N WINDSOR MILL, Baltimore, MD

Built 1963 Load: 28.1 t ADT: 15,620

BENTALOU ST

Fair

Over: CSXT RAILROAD

BENTALOU ST OVER CSX, Baltimore city, MD

Built 1965 Load: 28.1 t ADT: 5,600

I-83

Fair

Over: JONES FALLS & UNION AVE

I-83 OVER JF & UNION AVE, Baltimore city, MD

Built 1959 Load: 28.1 t ADT: 95,051

MD 273

Fair

Over: LITTLE NORTHEAST CREEK

1.81 MILES EAST OF MD 272, Cecil, MD

Built 1931 Load: 28.1 t ADT: 6,982

MD 14

Fair

Over: WARWICK RIVER

1.45 MILES EAST OF MD 16, Dorchester, MD

Built 1971 Load: 28.1 t ADT: 1,647

NORMAN BALM ENTRAN

Fair

Over: ABANDONED RR

0.1MI NW OF 1728 N MARKET, Frederick, MD

Built 1920 Load: 28.1 t ADT: 5

US 219

Fair

Over: SOUTH BRANCH BEAR CREEK

.07 MILE NORTH OF MD 826P, Garrett, MD

Built 1950 Load: 28.1 t ADT: 3,900

PINEBROOK AVENUE

Fair

Over: CATTAIL BRANCH

500 FEET SOUTH OF MD 202, Prince George's, MD

Built 1969 Load: 28.1 t ADT: 686

US 13 NB

Fair

Over: JONES CREEK

0.38 MILE NORTH OF MD 920, Somerset, MD

Built 1934 Load: 28.1 t ADT: 20,870

MD 249

Fair

Over: ST GEORGES CREEK

0.46 MILE S OF STARK DR, St. Mary's, MD

Built 1957 Load: 28.1 t ADT: 1,530

UPPER LEVEL ROADWA

Fair

Over: LOWER LEVEL ROADWAY

BWI AIRPORT, Anne Arundel, MD

Built 2002 Load: 28.6 t ADT: 22,093

PLEASANTVILLE ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

1.0 MI NE LONG GREEN PIKE, Baltimore, MD

Built 1987 Load: 28.6 t ADT: 4,715

BOND ROAD

Fair

Over: DEER CREEK

200 FT W OF WEST LIBERTY, Baltimore, MD

Built 1988 Load: 28.6 t ADT: 812

CIRCLE ROAD

Fair

Over: ROLAND RUN

100 FT WEST OF RUXTON RD, Baltimore, MD

Built 1988 Load: 28.6 t ADT: 1,255

PLEASANT GROVE ROA

Fair

Over: MCGILL RUN

0.3 MI S OF DOVER RD, Baltimore, MD

Built 1920 Load: 28.6 t ADT: 510

L'HIRONDELLE CLUB

Fair

Over: ROLAND RUN

2.77 MI S OF RUXTON RD, Baltimore, MD

Built 1992 Load: 28.6 t ADT: 104

TWILIGHT COURT

Fair

Over: REDHOUSE CREEK

0.2 MILES WEST OF IS 95, Baltimore, MD

Built 1990 Load: 28.6 t ADT: 227

COLDSPRING RAMP TO

Fair

Over: MTA LIGHT RAIL

ON RAMP SB JFX I-83, Baltimore city, MD

Built 1962 Load: 28.6 t ADT: 23,800

MD 31

Fair

Over: DICKERSON RUN

0.05 MI W OF NEW WINDSOR, Carroll, MD

Built 1924 Load: 28.6 t ADT: 4,861

LINTON ROAD

Fair

Over: LITTLE MORGAN RUN

1.25 MILES N OF MD 26, Carroll, MD

Built 1980 Load: 28.6 t ADT: 867

NORTH EAST ISLES D

Fair

Over: STONY RUN

0.1 MI S OF MD 7, Cecil, MD

Built 1992 Load: 28.6 t ADT: 547

HARBAUGH VALLEY RO

Fair

Over: BRANCH OF FRIENDS CREEK

0.15 MI NE OF MD RTE 550, Frederick, MD

Built 1985 Load: 28.6 t ADT: 713

DOGWOOD DRIVE

Fair

Over: TRIBUTARY NO. 8

0.7 MI EAST OF MD 355, Frederick, MD

Built 1986 Load: 28.6 t ADT: 2,485

MD 24

Fair

Over: NORTH STIRRUP RUN

3.09 MILES NORTH OF MD 23, Harford, MD

Built 1917 Load: 28.6 t ADT: 3,572

FASHION WAY

Fair

Over: TRIB / WINTERS RUN

0.5 MILES N OF MD 7, Harford, MD

Built 1972 Load: 28.6 t ADT: 565

PLEASANTVILLE ROAD

Fair

Over: WINTERS RUN

1.5 MILES N OF MD 152, Harford, MD

Built 1958 Load: 28.6 t ADT: 3,320

US 29

Fair

Over: PATUXENT RIVER

ON HOWARD CO LINE, Montgomery, MD

Built 1954 Load: 28.6 t ADT: 49,203

SIGN POST ROAD

Fair

Over: BACK CREEK

1 MI N OF SAM BARNES ROAD, Somerset, MD

Built 1985 Load: 28.6 t ADT: 784

MD 303

Fair

Over: NORWICH CREEK

0.12 MILE S OF MD 404AL, Talbot, MD

Built 1928 Load: 28.6 t ADT: 922

TEMPERANCE ROW

Fair

Over: GEORGES CREEK

0.08 MI N OF MD 935, Allegany, MD

Built 1976 Load: 29.0 t ADT: 206

FOREST GROVE ROAD

Fair

Over: WILLS CREEK

0.11 MI W OF SHELLSBUR RD, Allegany, MD

Built 1977 Load: 29.0 t ADT: 393

IS 695

Fair

Over: PATAPSCO RIVER

BALTIMORE COUNTY LINE, Anne Arundel, MD

Built 1958 Load: 29.0 t ADT: 120,772

CHESACO AVENUE

Fair

Over: CSX RAILROAD

0.2 MI S US RTE 40, Baltimore, MD

Built 1957 Load: 29.0 t ADT: 3,260

BIRMINGHAM AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.10 MI N. OF TAYLOR AVE., Baltimore, MD

Built 1954 Load: 29.0 t ADT: 630

I-83 NB

Fair

Over: GAY STREET

0.2 MI S OF ORLEANS ST, Baltimore city, MD

Built 1975 Load: 29.0 t ADT: 79,335

I-83 NORTHBOUND

Fair

Over: PUMPING STATION

0.5 MI N OF NORTH AVENUE, Baltimore city, MD

Built 1959 Load: 29.0 t ADT: 63,086

I-83

Fair

Over: MTA AND JONES FALLS

1.1 MI S OF COLD SPRING L, Baltimore city, MD

Built 1959 Load: 29.0 t ADT: 120,795

COLD SPRING LANE

Fair

Over: HERRING RUN

0.2 MI E OF HILLEN RD, Baltimore city, MD

Built 1929 Load: 29.0 t ADT: 16,151

I-695 IL

Fair

Over: CSXT RR

0.44 MI S OF DOCK ROAD, Baltimore city, MD

Built 1978 Load: 29.0 t ADT: 17,979

I-695 OL

Fair

Over: CSXT RR

0.44 MI S OF DOCK ROAD, Baltimore city, MD

Built 1975 Load: 29.0 t ADT: 19,157

ARNOLD ROAD

Fair

Over: BEAVER RUN

0.03 MI W OF POOLE ROAD, Carroll, MD

Built 1974 Load: 29.0 t ADT: 348

CROTHERS ROAD

Fair

Over: NORTHEAST CREEK

1.52 MI N OF MD 274, Cecil, MD

Built 1964 Load: 29.0 t ADT: 370

KENNEL ROAD

Fair

Over: MD RTE 273

0.75MI EAST OF MD RTE 213, Cecil, MD

Built 1960 Load: 29.0 t ADT: 100

US 40

Fair

Over: BRANCH OF ROCK CREEK

.036 MILE EAST OF US 40AL, Frederick, MD

Built 1947 Load: 29.0 t ADT: 47,332

UNIONVILLE ROAD

Fair

Over: WELDON CREEK

AT BLACK ANKLE RD INT, Frederick, MD

Built 1929 Load: 29.0 t ADT: 493

PEA RIDGE SPUR

Fair

Over: ELK LICK RUN

150' E OF WESTERNPORT RD, Garrett, MD

Built 2000 Load: 29.0 t ADT: 70

US 1 BU

Fair

Over: BYNUM RUN

.06 M N OF MOORES MILL RD, Harford, MD

Built 1953 Load: 29.0 t ADT: 11,230

CHESTNUT HILL ROAD

Fair

Over: CABBAGE RUN

0.7 MILES NW OF MD 543, Harford, MD

Built 1938 Load: 29.0 t ADT: 642

MD 290

Fair

Over: JACOBS CREEK

0.23 MILE SOUTH OF US 301, Kent, MD

Built 1947 Load: 29.0 t ADT: 2,461

MD 290

Fair

Over: SWANTOWN CREEK

1.91 MILES S OF US 301, Kent, MD

Built 1947 Load: 29.0 t ADT: 2,461

Showing 1,501-1,550 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.