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

MD 488

Fair

Over: KERRICK SWAMP

1.99 MILES EAST OF MD 6, Charles, MD

Built 1931 Load: 31.7 t ADT: 6,540

MD 14

Fair

Over: MARSHYHOPE CREEK

0.61 MILE WEST OF MD 313, Dorchester, MD

Built 1931 Load: 31.7 t ADT: 1,550

FALLING BRANCH RD

Fair

Over: FALLING BRANCH

0.6 MI W OF CLERMONT M RD, Harford, MD

Built 1973 Load: 31.7 t ADT: 22

FAIRLAND ROAD

Fair

Over: PAINT BRANCH

1.5 MI WEST OF US 29, Montgomery, MD

Built 1965 Load: 31.7 t ADT: 17,033

CIRCLE AVENUE

Fair

Over: EAST BR OF WICOMICO RIVE

0.2 MI S OF US 50 BUS, Wicomico, MD

Built 1968 Load: 31.7 t ADT: 2,025

MD 354

Fair

Over: DAVIS BRANCH

0.52 M S OF WICOMICO CO, Worcester, MD

Built 1932 Load: 31.7 t ADT: 1,532

MD 36

Fair

Over: JENNINGS RUN

1.83 MI S OF MD 47, Allegany, MD

Built 1929 Load: 32.2 t ADT: 2,290

TAYLOR AVENUE

Fair

Over: TRIB TO HERRING RUN

.03 MI. W. OF MD 41, Baltimore, MD

Built 1963 Load: 32.2 t ADT: 6,328

STABLERSVILLE ROAD

Fair

Over: FOURTH MINE BRANCH

0.2 MI E OF YORK RD, Baltimore, MD

Built 1950 Load: 32.2 t ADT: 600

GWYNNDALE AVENUE

Fair

Over: POWDER MILL BRANCH

0.12 MI N OF MD 126, Baltimore, MD

Built 1956 Load: 32.2 t ADT: 5,903

JOHN HYDE ROAD

Fair

Over: LITTLE PIPE CREEK

0.01 MI S OF JASONTOWN RD, Carroll, MD

Built 1900 Load: 32.2 t ADT: 320

MD 227

Fair

Over: MATTAWOMAN CREEK

1.29 MILES EAST OF MD 224, Charles, MD

Built 1930 Load: 32.2 t ADT: 3,231

COUNTRY LANE

Fair

Over: TRIB. OF MATTAWOMAN CREE

1 mile East of US 301, Charles, MD

Built 1960 Load: 32.2 t ADT: 228

MD 28

Fair

Over: TUSCARORA CREEK

1.85 MILES WEST OF MD 85, Frederick, MD

Built 2007 Load: 32.2 t ADT: 3,212

MD 197

Fair

Over: AMTRAK

0.19 MILE S OF MD 197C, Prince George's, MD

Built 1981 Load: 32.2 t ADT: 19,692

US 301 SB

Fair

Over: RED LION BRANCH

0.27 MILE NORTH OF MD 290, Queen Anne's, MD

Built 1967 Load: 32.2 t ADT: 10,370

STEWART NECK ROAD

Fair

Over: TAYLOR BRANCH

0.7 MI S OF PRINCESS ANNE, Somerset, MD

Built 1978 Load: 32.2 t ADT: 770

PURNELL CROSSING R

Fair

Over: POCOMOKE RIVER

2.5 MI E OF MD RTE 354, Wicomico, MD

Built 1988 Load: 32.2 t ADT: 337

MD 956

Fair

Over: POTOMAC RIVER

ON WEST VIRGINIA LINE, Allegany, MD

Built 1967 Load: 32.4 t ADT: 7,150

US 40 ALT

Fair

Over: PORTER RUN

.04 MILES WEST OF MD 743, Allegany, MD

Built 1948 Load: 32.7 t ADT: 9,951

IS 68

Fair

Over: GEORGES CREEK

0.16 MILE WEST OF MD 936, Allegany, MD

Built 1972 Load: 32.7 t ADT: 23,640

LOWER GEORGES CK R

Fair

Over: MILL RUN

0.75 MI S OF MD RTE 935, Allegany, MD

Built 1930 Load: 32.7 t ADT: 336

SQUIRREL NECK ROAD

Fair

Over: GEORGES CREEK

0.03 MI W OF CHURCH H RD, Allegany, MD

Built 1998 Load: 32.7 t ADT: 155

COBBLESTONE ROAD

Fair

Over: JENNINGS RUN

0.04 MI S OF MD 36, Allegany, MD

Built 1940 Load: 32.7 t ADT: 286

CHRISTIE ROAD

Fair

Over: UNNAMED STREAM

0.27 MI. S. OF JEFFRIES R, Allegany, MD

Built 1995 Load: 32.7 t ADT: 1,225

LAKE ALLEN ROAD

Fair

Over: SPILLWAY TO WETLANDS

N TRACT NW END SOLD. LAKE, Anne Arundel, MD

Built 1989 Load: 32.7 t ADT: 40

MD 170

Fair

Over: KITTEN BRANCH

0.3 MILE NORTH OF MD 995, Anne Arundel, MD

Built 1947 Load: 32.7 t ADT: 42,631

MD 179

Fair

Over: MILL CREEK

1.01 MI N OF MD 648A, Anne Arundel, MD

Built 1920 Load: 32.7 t ADT: 3,682

MD 214

Fair

Over: PATUXENT RIVER

ON PRINCE GEORGES CO LINE, Anne Arundel, MD

Built 1935 Load: 32.7 t ADT: 8,875

MD 10 RAMPS 5 & 6

Fair

Over: BRANCH OF BACK CREEK

N OF MD 270, Anne Arundel, MD

Built 1972 Load: 32.7 t ADT: 8,100

MD 10 & RAMPS 2, 5

Fair

Over: BACK CREEK

.056 MILE NORTH OF MD 710, Anne Arundel, MD

Built 1972 Load: 32.7 t ADT: 48,600

MD 710

Fair

Over: TRIBUTARY TO BACK CREEK

0.34 MI N OF MD 10, Anne Arundel, MD

Built 1973 Load: 32.7 t ADT: 13,471

CEDAR AVENUE

Fair

Over: CABIN BRANCH

0.42 MILE WEST OF MD 2, Anne Arundel, MD

Built 1957 Load: 32.7 t ADT: 2,000

IS 895B

Fair

Over: CABIN BRANCH

0.40 MI S OF MD 695, Anne Arundel, MD

Built 1957 Load: 32.7 t ADT: 21,141

MD 198

Fair

Over: BRANCH OF LITTLE PATUXEN

1.89 M E OF MD 295, Anne Arundel, MD

Built 1940 Load: 32.7 t ADT: 25,492

MD 100 & RPS 1 & 6

Fair

Over: SAWMILL CREEK

0.52 MILE SOUTH OF IS 97, Anne Arundel, MD

Built 1996 Load: 32.7 t ADT: 69,652

MD 198

Fair

Over: BR OF LIT PATUXENT RIVER

0.748 M W OF MD 32, Anne Arundel, MD

Built 1970 Load: 32.7 t ADT: 25,492

MD ROUTE 198 (EBL)

Fair

Over: BW PARKWAY (NBL)

3.4 MILES FROM MD ROUTE 1, Anne Arundel, MD

Built 1991 Load: 32.7 t ADT: 39,154

MD ROUTE 198 (EBL)

Fair

Over: BW PARKWAY (SBL)

3.4 MILES NORTH OF MD ROU, Anne Arundel, MD

Built 1991 Load: 32.7 t ADT: 39,150

MD ROUTE 198 (WBL)

Fair

Over: BW PARKWAY (NBL)

3.4 MILES NORTH OF MD ROU, Anne Arundel, MD

Built 1991 Load: 32.7 t ADT: 44,000

MD ROUTE 198 (WBL)

Fair

Over: BW PARKWAY (SBL)

3.4 MILES NORTH OF MD ROU, Anne Arundel, MD

Built 1991 Load: 32.7 t ADT: 44,000

SIMONDS STREET

Fair

Over: MIDWAY BRANCH

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

Built 1984 Load: 32.7 t ADT: 150

REDWOOD ROAD

Fair

Over: S SIDE FRANKLIN BRANCH

0.24 MI. N OF ROCK AVE, Anne Arundel, MD

Built 1944 Load: 32.7 t ADT: 120

LEONARD WOOD AVE

Fair

Over: MIDWAY BRANCH

0.10 MILES N ROCK AVE, Anne Arundel, MD

Built 1946 Load: 32.7 t ADT: 200

US 1

Fair

Over: STEMMERS RUN

0.23 MILE SOUTH OF IS 695, Baltimore, MD

Built 1960 Load: 32.7 t ADT: 39,242

MD 7 AND SPURS

Fair

Over: STEMMERS RUN

0.38 MI E OF MD 695, Baltimore, MD

Built 1973 Load: 32.7 t ADT: 39,620

MD 26

Fair

Over: GWYNNS FALLS

0.08 MI E OF ST LUKES LA, Baltimore, MD

Built 1965 Load: 32.7 t ADT: 34,042

MD 45

Fair

Over: GUNPOWDER FALLS

1.75 MILE NORTH OF MD 137, Baltimore, MD

Built 1924 Load: 32.7 t ADT: 5,350

IS 83

Fair

Over: BEAVERDAM RUN

0.31 MI N OF WARREN RD, Baltimore, MD

Built 1949 Load: 32.7 t ADT: 85,051

MD 125

Fair

Over: BRICE RUN

0.22 MI W OF OLD COURT RD, Baltimore, MD

Built 1930 Load: 32.7 t ADT: 5,551

Showing 1,651-1,700 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 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.