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

BROADFOOT RD

Fair

Over: MIDWAY BRANCH

0.16 MI. E TAYLOR AVE, Anne Arundel, MD

Built 1940 Load: 26.5 t ADT: 120

TAYLOR AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.14 MI SE OF MD 41, Baltimore, MD

Built 1969 Load: 26.8 t ADT: 14,881

BAKER ROAD

Fair

Over: BRANCH OF MORGAN RUN

0.93 MI EAST OF MD 27, Carroll, MD

Built 1974 Load: 26.8 t ADT: 408

MD 316

Fair

Over: BR OF BIG ELK CREEK

0.56 MILE NORTH OF MD 279, Cecil, MD

Built 1931 Load: 26.8 t ADT: 4,331

US 50

Fair

Over: CHOPTANK RIVER

ON TALBOT CO LINE, Dorchester, MD

Built 1987 Load: 26.8 t ADT: 27,191

OLD FREDERICK ROAD

Fair

Over: OWENS CREEK

0.3 MI S OF MD RTE 77, Frederick, MD

Built 1869 Load: 26.8 t ADT: 843

MD 42

Fair

Over: YOUGHIOGHENY RIVER

0.11 MILE NORTH OF MD 742, Garrett, MD

Built 1976 Load: 26.8 t ADT: 2,791

MD 624

Fair

Over: BROAD CREEK

1.15 MILES N OF MD 165, Harford, MD

Built 1936 Load: 26.8 t ADT: 3,920

MD 20

Fair

Over: FANNEL BRANCH

0.85 MILE EAST OF MD 446, Kent, MD

Built 1949 Load: 26.8 t ADT: 7,420

MD 213

Fair

Over: BROWNS BRANCH

0.47 MILE NORTH OF MD 19, Queen Anne's, MD

Built 1910 Load: 26.8 t ADT: 8,001

SERVICE ROAD

Fair

Over: BEAVER CREEK

0.11 MILE WEST OF MD 66, Washington, MD

Built 1968 Load: 26.8 t ADT: 150

MD 942

Fair

Over: N BRANCH POTOMAC RIVER

ON WEST VIRGINIA LINE, Allegany, MD

Built 1953 Load: 27.2 t ADT: 7,278

US 1

Fair

Over: HERBERT RUN

0.49 MI S OF MD 644A, Baltimore, MD

Built 1949 Load: 27.2 t ADT: 11,542

OAKLEIGH ROAD

Fair

Over: HERRING RUN

0.2 MI S OF PERRING PKWY, Baltimore, MD

Built 1953 Load: 27.2 t ADT: 7,961

HYDES ROAD

Fair

Over: LONG GREEN CREEK

0.5 M W OF LONG GREEN PKE, Baltimore, MD

Built 1952 Load: 27.2 t ADT: 5,400

LITTLE CREEK DRIVE

Fair

Over: DEAD RUN

250 FT W DOGWOOD RD, Baltimore, MD

Built 1952 Load: 27.2 t ADT: 773

BECKLEYSVILLE ROAD

Fair

Over: PRETTYBOY RESERVOIR

3 MI W MIDDLETOWN RD, Baltimore, MD

Built 1931 Load: 27.2 t ADT: 1,100

MD 257

Fair

Over: MILL RUN

0.053 M N OF MILL RUN RD, Charles, MD

Built 1900 Load: 27.2 t ADT: 3,990

KEMPTON ROAD

Fair

Over: LAUREL RUN

0.8 M S OF RED OAK ROAD, Garrett, MD

Built 1982 Load: 27.2 t ADT: 250

MD 446

Fair

Over: MILL POND CREEK

0.80 MILE SOUTH OF MD 20, Kent, MD

Built 1929 Load: 27.2 t ADT: 610

MD 213

Fair

Over: CHESTER RIVER

ON QUEEN ANNES CO LINE, Kent, MD

Built 1930 Load: 27.2 t ADT: 13,835

TAYLOR STREET

Fair

Over: STREAM

0.06 MI W OF 54TH PLACE, Prince George's, MD

Built 1958 Load: 27.2 t ADT: 685

US 40

Fair

Over: CONOCOCHEAGUE CREEK

1.92 MILES EAST OF MD 57, Washington, MD

Built 1936 Load: 27.2 t ADT: 11,832

US 40 ALT

Fair

Over: LITTLE BEAVER CREEK

2.06 MILES WEST OF MD 68, Washington, MD

Built 1949 Load: 27.2 t ADT: 6,082

BURNSIDE BRIDGE RO

Fair

Over: ANTIETAM CREEK

0.83 MI SW OF MD RTE 34, Washington, MD

Built 1965 Load: 27.2 t ADT: 461

MD 991

Fair

Over: WICOMICO RIVER

0.03 MI E OF SMALL ST, Wicomico, MD

Built 1928 Load: 27.2 t ADT: 12,662

US 50 BUS

Fair

Over: WICOMICO RIVER

0.484 MILE W OF US 13BU, Wicomico, MD

Built 1962 Load: 27.2 t ADT: 20,752

MD 12

Fair

Over: NASSAWANGO CREEK

4.57 MILES N OF MD 354, Worcester, MD

Built 1927 Load: 27.2 t ADT: 4,540

MD 90

Fair

Over: ST MARTIN RIVER

2.8 MILES EAST OF MD 589, Worcester, MD

Built 1970 Load: 27.2 t ADT: 20,063

I-695 IL

Fair

Over: BEAR CREEK

MILEPOST M46.2, Baltimore, MD

Built 1975 Load: 27.5 t ADT: 14,819

MD 695 RAMP '3'

Fair

Over: CABIN BRANCH

MD 2/MD 695 INTERCHANGE, Anne Arundel, MD

Built 1968 Load: 27.7 t ADT: 34,550

UPPER LEVEL ROADWA

Fair

Over: LOWER LEVEL ROADWAY

BWI AIRPORT, Anne Arundel, MD

Built 2006 Load: 27.7 t ADT: 13,521

POT SPRING ROAD

Fair

Over: SPRING BRANCH

0.5 MI S OF TIMONIUM RD, Baltimore, MD

Built 1973 Load: 27.7 t ADT: 13,676

ARGYLE AVENUE

Fair

Over: AMTRAK RAILROAD

0.5 M E OF FULTON AV, Baltimore city, MD

Built 1900 Load: 27.7 t ADT: 3,598

HOBBS ROAD

Fair

Over: WATTS CREEK

1 MI SE OF DENTON, Caroline, MD

Built 1936 Load: 27.7 t ADT: 2,019

MD 213

Fair

Over: PERCH CREEK

2.14 MILES SOUTH OF US 40, Cecil, MD

Built 1949 Load: 27.7 t ADT: 12,732

MERRY KNOLL LANE

Fair

Over: BRANCH OF OCTORARO CREEK

0.07 MI N OF US 1, Cecil, MD

Built 1983 Load: 27.7 t ADT: 298

MD 225

Fair

Over: PORT TOBACCO CREEK

1.85 MILES WEST OF US 301, Charles, MD

Built 1929 Load: 27.7 t ADT: 12,302

US 50

Fair

Over: NANTICOKE RIVER

ON WICOMICO CO LINE, Dorchester, MD

Built 1990 Load: 27.7 t ADT: 24,661

HESSONG BRIDGE RD

Fair

Over: LITTLE HUNTING CREEK

AT BLACKS MILL RD INT, Frederick, MD

Built 1905 Load: 27.7 t ADT: 980

AMOSS ROAD

Fair

Over: ISLAND BRANCH

0.2 MILES S OF AMOSS ML R, Harford, MD

Built 1972 Load: 27.7 t ADT: 125

MD 97

Fair

Over: REDDY BRANCH

2.89 MILES S OF MD 650, Montgomery, MD

Built 1927 Load: 27.7 t ADT: 10,740

GAME PRESERVE ROAD

Fair

Over: WHETSTONE RUN

0.2 MI NORTH OF MD 355, Montgomery, MD

Built 1990 Load: 27.7 t ADT: 2,086

OLD PRINCESS ANNE

Fair

Over: KINGS CREEK

2 MI S OF PRINCESS ANNE, Somerset, MD

Built 1950 Load: 27.7 t ADT: 648

MD 5

Fair

Over: MOLL DYERS RUN

1.26 MILES S OF MD 244, St. Mary's, MD

Built 1937 Load: 27.7 t ADT: 12,500

MD 347

Fair

Over: QUANTICO CREEK

1.02 MILES N OF MD 349, Wicomico, MD

Built 1926 Load: 27.7 t ADT: 1,119

TIMMONSTOWN ROAD

Fair

Over: TIMMONSTOWN BRANCH

0.40 MI NW OF MD 374, Worcester, MD

Built 1999 Load: 27.7 t ADT: 130

US 220

Fair

Over: MILL RUN

1.88 MI S OF MD 830B, Allegany, MD

Built 1929 Load: 28.1 t ADT: 7,111

MD 295 NBR

Fair

Over: HANOVER ROAD

0.43 M N OF BR NO 0202100, Anne Arundel, MD

Built 1950 Load: 28.1 t ADT: 42,696

MD 295 SBR

Fair

Over: HANOVER ROAD

0.43 M N OF BR NO 0202100, Anne Arundel, MD

Built 1950 Load: 28.1 t ADT: 42,696

Showing 1,451-1,500 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.