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 119

Fair

Over: LONG DRAUGHT BRANCH

1.66 MILE NORTH OF MD 124, Montgomery, MD

Built 1990 Load: 29.0 t ADT: 10,766

BARNESVILLE ROAD

Fair

Over: LITTLE MONOCACY RIVER

0.6 MI E OF MT EPHRAIM RD, Montgomery, MD

Built 1940 Load: 29.0 t ADT: 918

VIRGINIA AVENUE

Fair

Over: CATTAIL BRANCH

0.01 MI N OF W FOREST RD, Prince George's, MD

Built 1969 Load: 29.0 t ADT: 857

NORTH DRIVE

Fair

Over: LITTLE PAINT BRANCH

CAPITAL BELTWAY TO EXIT 2, Prince George's, MD

Built 1947 Load: 29.0 t ADT: 700

PALMER ROAD SOUTH

Fair

Over: STONE LAKE RD/PARKING LT

600M E OF WOOD RD, Montgomery, MD

Built 1981 Load: 29.3 t ADT: 2,750

MD 103

Fair

Over: BRANCH OF DEEP RUN

0.16 MI S OF HOWARD CO, Anne Arundel, MD

Built 1949 Load: 29.5 t ADT: 8,191

IS 695 RAMP 'L'

Fair

Over: MTA LIGHT RAIL

0.04 MI N OF MD 170, Anne Arundel, MD

Built 1967 Load: 29.5 t ADT: 2,205

OLD STONEY RUN RD

Fair

Over: STONEY RUN

0.5 MI N OF STONEY RUN RD, Anne Arundel, MD

Built 1965 Load: 29.5 t ADT: 23

MD 695 OL

Fair

Over: NORFOLK SOUTHERN RR

0.18 MILE SOUTH OF MD 151, Baltimore, MD

Built 1966 Load: 29.5 t ADT: 41,012

MD 227

Fair

Over: MILL SWAMP

2.01 MILES WEST OF MD 210, Charles, MD

Built 1956 Load: 29.5 t ADT: 5,611

MD 646

Fair

Over: BROAD CREEK

0.77 MILE NORTH OF MD 543, Harford, MD

Built 1933 Load: 29.5 t ADT: 1,140

US 1

Fair

Over: HAMMOND BRANCH

1.28 MILES SOUTH OF MD 32, Howard, MD

Built 1929 Load: 29.5 t ADT: 36,052

US 1 NB

Fair

Over: NORTHWEST BRANCH

0.68 MILE NORTH OF MD 208, Prince George's, MD

Built 1956 Load: 29.5 t ADT: 7,673

MD 4 WB

Fair

Over: PATUXENT RIVER

ON ANNE ARUNDEL CO LINE, Prince George's, MD

Built 1991 Load: 29.5 t ADT: 49,641

SEAT PLEASANT DRIV

Fair

Over: CABIN BRANCH

0.05 MI S OF ASHLEAF AVE, Prince George's, MD

Built 1958 Load: 29.5 t ADT: 6,136

US 40 WB

Fair

Over: ANTIETAM CREEK

AT EASTERN BOULEVARD, Washington, MD

Built 1936 Load: 29.5 t ADT: 21,558

SECURITY ROAD

Fair

Over: HAMILTON RUN

AT INT OF BROOKLINE AVE, Washington, MD

Built 1957 Load: 29.5 t ADT: 2,518

US 13 BU

Fair

Over: POCOMOKE RIVER

ON SOMERSET CO LINE, Worcester, MD

Built 1920 Load: 29.5 t ADT: 3,062

MD 935

Fair

Over: GEORGES CREEK

0.09 M N OF C STREET, Allegany, MD

Built 1933 Load: 29.9 t ADT: 1,430

IS 70 EBR

Fair

Over: PATAPSCO RIVER, CSX TRAN

ON HOWARD CO LINE, Baltimore, MD

Built 1965 Load: 29.9 t ADT: 89,503

IS 70 WBR

Fair

Over: PATAPSCO RIVER, CSX TRAN

ON HOWARD CO LINE, Baltimore, MD

Built 1965 Load: 29.9 t ADT: 89,503

WENDOVER AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.2 MI N OF TAYLOR AVE, Baltimore, MD

Built 1968 Load: 29.9 t ADT: 400

SHEPHERD AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.02 MI N OF TAYLOR AVE, Baltimore, MD

Built 1969 Load: 29.9 t ADT: 439

US 40

Fair

Over: CATOCTIN CREEK

0.17 MILE WEST OF MD 17, Frederick, MD

Built 1936 Load: 29.9 t ADT: 5,432

MD 77

Fair

Over: BEAVER BRANCH

0.63 MILE WEST OF MD 76, Frederick, MD

Built 1928 Load: 29.9 t ADT: 1,211

MD 7

Fair

Over: GRAYS RUN

1.01 MILES SOUTH OF US 40, Harford, MD

Built 1925 Load: 29.9 t ADT: 12,210

GOOD LUCK ROAD

Fair

Over: BW PARKWAY

1.5 MILES SOUTH OF I-95, Prince George's, MD

Built 1952 Load: 29.9 t ADT: 25,800

SUITLAND PARKWAY

Fair

Over: BRANCH AVENUE

1.5 MILES WEST OF SILVER, Prince George's, MD

Built 1943 Load: 29.9 t ADT: 19,550

MD 242

Fair

Over: TOMAKOKIN CREEK

0.71 MILE NORTH OF MD 238, St. Mary's, MD

Built 1936 Load: 29.9 t ADT: 5,491

GARDENHOUR RD

Fair

Over: LITTLE ANTIETAM CREEK

0.45 MI W OF MD RTE 64, Washington, MD

Built 1910 Load: 29.9 t ADT: 315

OAKLAND-SANG RUN R

Fair

Over: DEEP CREEK

0.09 M N INT MAYHEW INN R, Garrett, MD

Built 1967 Load: 30.1 t ADT: 529

MD 636

Fair

Over: WARRIOR RUN

0.02 MILE EAST OF MD 53, Allegany, MD

Built 1936 Load: 30.4 t ADT: 8,071

FURNACE AVENUE

Fair

Over: DEEP RUN

ON THE HOWARD CO LINE, Anne Arundel, MD

Built 1930 Load: 30.4 t ADT: 2,531

MD 157 (PENINSULA

Fair

Over: BEAR CREEK

1.39 MILE NORTH OF MD 158, Baltimore, MD

Built 1960 Load: 30.4 t ADT: 9,414

NORTH FOREST PARK

Fair

Over: DOGWOOD ROAD AND DEAD RU

300 FT E OF SECURITY BLVD, Baltimore, MD

Built 1963 Load: 30.4 t ADT: 23,080

DOGWOOD ROAD

Fair

Over: BRICE RUN

0.92 MI S OF MD 125, Baltimore, MD

Built 1930 Load: 30.4 t ADT: 1,300

IS 70

Fair

Over: BUSH CREEK

0.84 MILE EAST OF MD 75, Frederick, MD

Built 1954 Load: 30.4 t ADT: 69,020

MD 26

Fair

Over: DOLLYHYDE CREEK

0.34 MILE EAST OF MD 31, Frederick, MD

Built 1932 Load: 30.4 t ADT: 5,482

MONTEVUE LANE

Fair

Over: CARROLL CREEK

1.1 MI. W OF US 15, Frederick, MD

Built 1995 Load: 30.4 t ADT: 9,791

MD 136

Fair

Over: ISLAND BRANCH

1.0 MILE SOUTH OF MD 23, Harford, MD

Built 1935 Load: 30.4 t ADT: 1,901

GREEN ROAD

Fair

Over: DEER CREEK

0.2 MILES E OF BALT CO, Harford, MD

Built 1900 Load: 30.4 t ADT: 155

MD 213

Fair

Over: SASSAFRAS RIVER

ON CECIL COUNTY LINE, Kent, MD

Built 1987 Load: 30.4 t ADT: 5,308

IS 95X SB

Fair

Over: PAINT BRANCH

0.33 M N OF BR NO 1612900, Prince George's, MD

Built 1967 Load: 30.4 t ADT: 3,760

CALVERTON BLVD

Fair

Over: TRIB TO LITTLE PAINT BR

0.3 MI W OF BELTSVILLE DR, Prince George's, MD

Built 1964 Load: 30.4 t ADT: 18,162

MD 370

Fair

Over: MILES RIVER

0.98 MILE NORTH OF MD 33, Talbot, MD

Built 1984 Load: 30.4 t ADT: 2,943

MD 309

Fair

Over: NORWICH CREEK

0.03 MILE S OF MD 404AL, Talbot, MD

Built 1960 Load: 30.4 t ADT: 4,042

MD 935

Fair

Over: GEORGES CREEK

0.24 MI S OF MD 935A, Allegany, MD

Built 1930 Load: 30.8 t ADT: 1,430

US 40 ALT

Fair

Over: BRADDOCK RUN

1.28 MI W OF MD 831A, Allegany, MD

Built 1948 Load: 30.8 t ADT: 13,491

OFFUTT ROAD

Fair

Over: SCOTTS LEVEL BRANCH

0.09 MI N OF ZETA WAY, Baltimore, MD

Built 1968 Load: 30.8 t ADT: 9,455

I-83

Fair

Over: JONES FALLS

0.3 MI N COLD SPRING LANE, Baltimore city, MD

Built 1962 Load: 30.8 t ADT: 23,800

Showing 1,551-1,600 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.