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

IS 95 NB

Fair

Over: MIDDLE PATUXENT RIVER

0.18 MILE NORTH OF IS 95I, Howard, MD

Built 1970 Load: 46.7 t ADT: 186,750

IS 95 NB

Fair

Over: LITTLE PATUXENT RIVER

0.46 MILE SOUTH OF MD 32, Howard, MD

Built 1971 Load: 46.7 t ADT: 104,355

IS 70 RAMP 3

Fair

Over: TERRAPIN BRANCH

0.02 MILE WEST OF MD 32, Howard, MD

Built 1972 Load: 46.7 t ADT: 1,889

WOODLAND ROAD

Fair

Over: BRANCH OF LITTLE PATUXEN

0.01 MI N MD RTE 108, Howard, MD

Built 1935 Load: 46.7 t ADT: 3,512

RICAUDS BRANCH RD

Fair

Over: WEST FORK LANGFORD CREEK

0.1 MI E SANDY BOTTOM RD, Kent, MD

Built 1991 Load: 46.7 t ADT: 281

MD 320

Fair

Over: SLIGO CREEK

0.69 MILE SOUTH OF MD 193, Montgomery, MD

Built 1920 Load: 46.7 t ADT: 19,392

LITTLE FALLS PARKW

Fair

Over: WILLET BRANCH

0.1 MI N DORSET AVE, Montgomery, MD

Built 1963 Load: 46.7 t ADT: 17,283

RIVER ROAD

Fair

Over: TRIB TO PAINT BRANCH

.1 MI S OF PAINT BR PKWY, Prince George's, MD

Built 1995 Load: 46.7 t ADT: 13,540

US 340

Fair

Over: ISRAEL CRK, APPALA. TRL.

0.18 MILE EAST OF MD 67, Washington, MD

Built 1963 Load: 46.7 t ADT: 23,943

HICKORY SCHOOL ROA

Fair

Over: SEMPLE RUN

.5 MI W. OF I70, Washington, MD

Built 1996 Load: 46.7 t ADT: 1,077

US 50 EB

Fair

Over: BARREN CREEK

0.26 MILE EAST OF MD 313, Wicomico, MD

Built 1965 Load: 46.7 t ADT: 25,871

WHITESBURG ROAD

Fair

Over: PUSEY BRANCH

0.25 MI N OF SAND ROAD, Worcester, MD

Built 1994 Load: 46.7 t ADT: 230

IS 68 RAMP 'F(2)

Fair

Over: CENTRE ST, QUEEN CITY DR

0.52 MI E OF US 48H, Allegany, MD

Built 1968 Load: 47.2 t ADT: 1,412

PEA VINE RUN ROAD

Fair

Over: PEA VINE RUN

0.80 MI W OF MD 807, Allegany, MD

Built 1945 Load: 47.2 t ADT: 177

WILSON ROAD

Fair

Over: HALL CREEK

1.0 MI WEST OF MD RTE 2, Anne Arundel, MD

Built 1960 Load: 47.2 t ADT: 146

I-895 NB

Fair

Over: HERBERT RUN

I-895 Milepost 2.0, Baltimore, MD

Built 1957 Load: 47.2 t ADT: 7,507

I-895 SB

Fair

Over: HERBERT RUN

Milepost M2.0, Baltimore, MD

Built 1957 Load: 47.2 t ADT: 8,846

PERRING PARKWAY

Fair

Over: HERRING RUN

0.2 MI N BELVEDERE AVE, Baltimore city, MD

Built 1965 Load: 47.2 t ADT: 78,745

COTTONWORTH AVENUE

Fair

Over: WESTERN RUN

0.03 MI W SMITH AVE-FALLS, Baltimore city, MD

Built 1970 Load: 47.2 t ADT: 600

PHOENIX ROAD

Fair

Over: GREENE'S BRANCH

0.03 MI N PAPER MILL RD, Baltimore city, MD

Built 1967 Load: 47.2 t ADT: 1,237

IS 95 NB RAMP T

Fair

Over: FROM KEITH AVE SPUR

Milepost M56.6, Baltimore city, MD

Built 1980 Load: 47.2 t ADT: 3,828

I-895

Fair

Over: CHILDS ST, RR

Milepost M8.33, Baltimore city, MD

Built 1957 Load: 47.2 t ADT: 82,953

MD 832

Fair

Over: BIG PIPE CREEK

1.02 MILE NORTH OF MD 140, Carroll, MD

Built 1929 Load: 47.2 t ADT: 1,662

BUCKHORN ROAD

Fair

Over: BUCKHORN RUN

0.75 MI E OF FRETER ROAD, Carroll, MD

Built 1952 Load: 47.2 t ADT: 694

MD 335

Fair

Over: BR OF HONGA RIVER

1.76 MILE SOUTH OF MD 336, Dorchester, MD

Built 1991 Load: 47.2 t ADT: 1,001

MD 335

Fair

Over: GREAT MARSH CREEK

2.15 MILE SOUTH OF MD 336, Dorchester, MD

Built 1991 Load: 47.2 t ADT: 871

SUICIDE BRIDGE RD

Fair

Over: WARWICK RIVER

N OF SECRETARY, Dorchester, MD

Built 1992 Load: 47.2 t ADT: 1,082

REICHS FORD ROAD

Fair

Over: MONOCACY RIVER

1.5 MILES SOUTH OF I-70, Frederick, MD

Built 1973 Load: 47.2 t ADT: 3,711

LINKS BRIDGE ROAD

Fair

Over: MONOCACY RIVER

0.18 MI W OF DUBLIN ROAD, Frederick, MD

Built 1980 Load: 47.2 t ADT: 1,620

MD 38

Fair

Over: N BRANCH POTOMAC RIVER

ON WEST VIRGINIA LINE, Garrett, MD

Built 1954 Load: 47.2 t ADT: 971

MD 462

Fair

Over: CARSINS RUN

0.66 MILE NORTH OF MD 22, Harford, MD

Built 1978 Load: 47.2 t ADT: 6,960

WEST HEAPS ROAD

Fair

Over: BIG BRANCH

0.5 MILES N OF MD 136, Harford, MD

Built 1990 Load: 47.2 t ADT: 37

E. NECK ISLAND RD.

Fair

Over: EASTERN NECK NARROWS

EASTERN NECK ISLAND ROAD, Kent, MD

Built 1995 Load: 47.2 t ADT: 200

MD 119

Fair

Over: SHADY BRANCH

0.3 M S OF SAM EIG HWY, Montgomery, MD

Built 1988 Load: 47.2 t ADT: 19,551

US 1 ALT SB

Fair

Over: NORTHEAST BRANCH

0.45 MILE NORTH OF MD 450, Prince George's, MD

Built 1955 Load: 47.2 t ADT: 13,462

IS 95 RAMP E(4)

Fair

Over: BR OF SOUTHWEST BR

0.08 MILE SOUTH OF MD 214, Prince George's, MD

Built 1964 Load: 47.2 t ADT: 10,979

FLORAL PARK ROAD

Fair

Over: BURCH BRANCH

1.77 MILES EAST OF MD 223, Prince George's, MD

Built 1952 Load: 47.2 t ADT: 7,103

DEVERS BRANCH ROAD

Fair

Over: GERMAN BRANCH

2 MI FROM MD RTE 405, Queen Anne's, MD

Built 1998 Load: 47.2 t ADT: 221

IS 70 EB

Fair

Over: WHITEHALL RD

1.05 MILES WEST OF MD 66, Washington, MD

Built 1967 Load: 47.2 t ADT: 61,140

IS 70 WB

Fair

Over: WHITEHALL RD

1.05 MILES WEST OF MD 66, Washington, MD

Built 1967 Load: 47.2 t ADT: 61,140

LAUREL RUN ROAD

Fair

Over: LAUREL RUN

1.26 MI W OF MD RTE 935, Allegany, MD

Built 1950 Load: 47.6 t ADT: 94

US 50 RAMP '6'

Fair

Over: BOULTERS WAY

1.38 MI E OF MD 783, Anne Arundel, MD

Built 1953 Load: 47.6 t ADT: 2,833

MD 70

Fair

Over: COLLEGE CREEK

0.42 MI S OF MD 435, Anne Arundel, MD

Built 1954 Load: 47.6 t ADT: 38,762

MD 88

Fair

Over: INDIAN RUN

0.05 MILE WEST OF MD 25, Baltimore, MD

Built 1930 Load: 47.6 t ADT: 4,651

MD 130

Fair

Over: NORTH BRANCH

1.50 MILE EAST OF MD 129, Baltimore, MD

Built 1900 Load: 47.6 t ADT: 5,500

WISEBURG ROAD

Fair

Over: SECOND MINE BRANCH

100 FT NW WHITEHALL RD, Baltimore, MD

Built 1926 Load: 47.6 t ADT: 2,118

FALLS ROAD

Fair

Over: GUNPOWDER FALLS

1.1 MI S MIDDLETOWN RD, Baltimore, MD

Built 1884 Load: 47.6 t ADT: 300

I-895 NBR

Fair

Over: CALVERT ACCESS ROAD S

Milepost M1.8, Baltimore, MD

Built 1957 Load: 47.6 t ADT: 7,507

I- 895 SBR

Fair

Over: CALVERT ACCESS ROAD S

Milepost M1.8, Baltimore, MD

Built 1957 Load: 47.6 t ADT: 8,846

PRATT STREET

Fair

Over: JONES FALLS

0.3 MI E GAY ST, Baltimore city, MD

Built 1988 Load: 47.6 t ADT: 39,933

Showing 2,751-2,800 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.