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

MCDONOGH ROAD

Fair

Over: CSX TRANSPORTATION

0.06 MILE WEST OF IS 795, Baltimore, MD

Built 1941 Load: 43.1 t ADT: 13,380

POCOCK ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

0.6 MI E HESS ROAD, Baltimore, MD

Built 1978 Load: 43.1 t ADT: 230

CORBETT ROAD

Fair

Over: TRIBUTARY TO GUNPOWDER F

1.1 MILES EAST OF MD 45, Baltimore, MD

Built 1922 Load: 43.1 t ADT: 720

I-95

Fair

Over: LITTLE GUNPOWDER FALLS

BALTIMORE-HARFORD CO LINE, Baltimore, MD

Built 1963 Load: 43.1 t ADT: 178,830

EAGER STREET

Fair

Over: CENTRAL BOOKING PARKING

0.2 MI E OF GREENMOUNT AV, Baltimore city, MD

Built 1913 Load: 43.1 t ADT: 2,382

IS 95 SB

Fair

Over: GUSRYAN STREET

500 FT S OF DUNDALK AVE, Baltimore city, MD

Built 1976 Load: 43.1 t ADT: 76,836

WARBURTON ROAD

Fair

Over: LITTLE NORTHEAST CREEK

1.39 MILES NE OF MD 272, Cecil, MD

Built 1994 Load: 43.1 t ADT: 3,672

MD 6

Fair

Over: ZEKIAH SWAMP

0.09 M W OF BR NO 0800600, Charles, MD

Built 1933 Load: 43.1 t ADT: 9,300

MD 16

Fair

Over: PARSONS CREEK

1.28 M N OF SMITHVILLE RD, Dorchester, MD

Built 2005 Load: 43.1 t ADT: 652

MD 335

Fair

Over: BLACKWATER RIVER

4.86 MILE NORTH OF MD 336, Dorchester, MD

Built 1991 Load: 43.1 t ADT: 1,381

US 40 ALT

Fair

Over: CASSELMAN RIVER

0.82 MILE EAST OF MD 495, Garrett, MD

Built 1932 Load: 43.1 t ADT: 3,841

OAKLAND-SANG RUN R

Fair

Over: FORK RUN

0.05 MI N HOYES RUN RD, Garrett, MD

Built 2005 Load: 43.1 t ADT: 454

TOLLGATE ROAD

Fair

Over: HEAVENLY WATERS

0.6 MILES W OF BUS US 1, Harford, MD

Built 2000 Load: 43.1 t ADT: 8,025

EDGEWOOD ROAD

Fair

Over: OTTER POINT CREEK (S)

0.4 MILES S OF MD 7, Harford, MD

Built 1987 Load: 43.1 t ADT: 9,554

MD 185

Fair

Over: PROPOSED ROADWAY

0.92 MILE SOUTH OF MD 97, Montgomery, MD

Built 1968 Load: 43.1 t ADT: 36,532

MD 117

Fair

Over: GREAT SENECA CREEK

1.82 MILES EAST OF MD 118, Montgomery, MD

Built 1951 Load: 43.1 t ADT: 18,752

PARTNERSHIP RD

Fair

Over: RUSSELL BRANCH

1.2 MI S OF JCT SR 107, Montgomery, MD

Built 1920 Load: 43.1 t ADT: 2,174

SCOTT DRIVE

Fair

Over: WATTS BRANCH

0.1 MI W OF WOOTTON PKWY, Montgomery, MD

Built 1990 Load: 43.1 t ADT: 3,921

BRINKLEY ROAD

Fair

Over: HENSON CREEK & HENSON CR

0.21 MI NE OF ROBERTS DR, Prince George's, MD

Built 2012 Load: 43.1 t ADT: 21,647

MD 4

Fair

Over: KINGSTON CREEK

2.07 MILES N OF MD 235, St. Mary's, MD

Built 1980 Load: 43.1 t ADT: 26,801

IS 70 EB

Fair

Over: NORFOLK SOUTHERN RR

0.35 MILE EAST OF US 11, Washington, MD

Built 1965 Load: 43.1 t ADT: 38,145

IS 70 WB

Fair

Over: NORFOLK SOUTHERN RR

0.35 MILE EAST OF US 11, Washington, MD

Built 1965 Load: 43.1 t ADT: 34,890

KING ROAD

Fair

Over: TRIBUTARY OF LITTLE ANTI

0.1 MI S OF MD RTE 34, Washington, MD

Built 1992 Load: 43.1 t ADT: 844

MD 935

Fair

Over: BUTCHER RUN

0.03 M N OF BARTLETT ST, Allegany, MD

Built 1930 Load: 43.5 t ADT: 1,430

IS 68 RAMP 'D'(5)

Fair

Over: CENTRE STREET

0.52 MI E OF US 48H, Allegany, MD

Built 1968 Load: 43.5 t ADT: 14,023

MD 135D, W VA 46

Fair

Over: N BRANCH POTOMAC RIVER

ON WEST VIRGINIA LINE, Allegany, MD

Built 1985 Load: 43.5 t ADT: 4,527

HENDERSON AVENUE

Fair

Over: FRANKLIN STREET & CSX RR

0.14 MI. E. OF NATL HWY S, Allegany, MD

Built 1932 Load: 43.5 t ADT: 19,319

IS 595

Fair

Over: ADMIRAL DRIVE

0.39 MILE EAST OF MD 2, Anne Arundel, MD

Built 1953 Load: 43.5 t ADT: 123,940

WOOD BRIDGE ROAD

Fair

Over: TRIBUTARY TO BELL BRANCH

60 FT S OF BELL BRANCH RD, Anne Arundel, MD

Built 1994 Load: 43.5 t ADT: 193

MD 695 OL

Fair

Over: AMTRAK

0.08 MI N OF US 40, Baltimore, MD

Built 1973 Load: 43.5 t ADT: 36,361

MD 695 IL

Fair

Over: AMTRAK

0.22 MI N OF MD 702, Baltimore, MD

Built 1973 Load: 43.5 t ADT: 36,361

MONKTON ROAD

Fair

Over: GUNPOWDER FALLS

0.6 MI E OF PINEY HILL RD, Baltimore, MD

Built 1975 Load: 43.5 t ADT: 3,850

EBENEZER ROAD

Fair

Over: EASTERN AVENUE

EBENZER AT EASTERN AVENUE, Baltimore, MD

Built 1982 Load: 43.5 t ADT: 11,600

IS 95 RAMP G

Fair

Over: MIDDLE BR, I 95 RAMP D

0.3 MI E RUSSELL ST, Baltimore city, MD

Built 1977 Load: 43.5 t ADT: 34,476

CLEAR VIEW ROAD

Fair

Over: MEADOW BRANCH

1.15 MILES S OF MD 832, Carroll, MD

Built 1984 Load: 43.5 t ADT: 192

SHILOH ROAD

Fair

Over: EAST BRANCH PATAPSCO RIV

0.05 MI W OF BRODBECK RD, Carroll, MD

Built 1969 Load: 43.5 t ADT: 1,327

GREEN STREET

Fair

Over: MD MIDLAND RAILWAY

WESTMINSTER, MD, Carroll, MD

Built 1923 Load: 43.5 t ADT: 7,436

MD 6

Fair

Over: ZEKIAH SWAMP

0.04 M E OF BR NO 0800600, Charles, MD

Built 1929 Load: 43.5 t ADT: 12,432

LILY PONS ROAD

Fair

Over: MONOCACY RIVER

1 MI E OF MD RTE 85, Frederick, MD

Built 1977 Load: 43.5 t ADT: 610

BETHEL ROAD

Fair

Over: FISHING CREEK

AT FISH HATCHERY RD INT, Frederick, MD

Built 1961 Load: 43.5 t ADT: 2,050

IS 68 EB

Fair

Over: SAND SPRING RD

0.66 MILE EAST OF W VA, Garrett, MD

Built 1975 Load: 43.5 t ADT: 15,710

US 40

Fair

Over: CRANBERRY RUN

0.32 MILE EAST OF MD 159, Harford, MD

Built 1935 Load: 43.5 t ADT: 34,600

FONT HILL DRIVE

Fair

Over: BR. LITTLE PATUXENT RIVE

AT FONT HILL PARK, Howard, MD

Built 1969 Load: 43.5 t ADT: 3,293

MD 191

Fair

Over: CABIN JOHN CREEK

0.96 MILE SOUTH OF IS 495, Montgomery, MD

Built 1991 Load: 43.5 t ADT: 8,530

IS 270

Fair

Over: MIDDLEBROOK ROAD

0.77 MILE SOUTH OF MD 118, Montgomery, MD

Built 1990 Load: 43.5 t ADT: 133,720

IS 495

Fair

Over: POTOMAC RIVER

ON VIRGINIA LINE, Montgomery, MD

Built 1963 Load: 43.5 t ADT: 239,022

AMBLESIDE DRIVE

Fair

Over: WATTS BRANCH

0.6 MI NORTH OF GLEN ROAD, Montgomery, MD

Built 1970 Load: 43.5 t ADT: 2,418

US 1 SB

Fair

Over: NORTHWEST BRANCH

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

Built 1969 Load: 43.5 t ADT: 9,008

MD 450

Fair

Over: BALD HILL BRANCH

0.38 MILE EAST OF MD 564, Prince George's, MD

Built 1968 Load: 43.5 t ADT: 24,890

BEAVER ROAD

Fair

Over: BEAVERDAM CREEK

.14 M N OF COLUMBIA PK RD, Prince George's, MD

Built 1967 Load: 43.5 t ADT: 1,212

Showing 2,551-2,600 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.