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

I-695 IL

Fair

Over: DOCK ROAD

0.2 MI S OF FSK BR W ABUT, Baltimore city, MD

Built 1979 Load: 47.6 t ADT: 17,979

MD 404 EB

Fair

Over: WATTS CREEK

0.25 MILE WEST OF MD 16, Caroline, MD

Built 1949 Load: 47.6 t ADT: 21,772

I-95

Fair

Over: LITTLE NORTHEAST CREEK

Milepost M101.2, Cecil, MD

Built 1963 Load: 47.6 t ADT: 78,625

SMALLWOOD DRIVE WB

Fair

Over: CSX TRANSPORTATION

0.25 mi E MD RTE 925, Charles, MD

Built 1966 Load: 47.6 t ADT: 13,201

WHITAKER MILL ROAD

Fair

Over: HIGH BRIDGE BRANCH

1.4 MILES E OF US 1, Harford, MD

Built 1998 Load: 47.6 t ADT: 1,325

I-95 NB

Fair

Over: BYNUM RUN

Milepost M79.1, Harford, MD

Built 1963 Load: 47.6 t ADT: 63,977

IS 495X NB

Fair

Over: CABIN JOHN CREEK

0.11 MILE NORTH OF GV 6, Montgomery, MD

Built 1963 Load: 47.6 t ADT: 19,820

IS 495 RAMP 'E'

Fair

Over: KENSINGTON PKWY

0.19 MI E OF MD 185, Montgomery, MD

Built 1964 Load: 47.6 t ADT: 3,685

MD 202 SB

Fair

Over: AMTRAK, WMATA

0.08 MILE SOUTH OF US 50, Prince George's, MD

Built 1942 Load: 47.6 t ADT: 23,901

HIGH BRIDGE ROAD

Fair

Over: HORSEPEN BRANCH

1.03 MILES S OF MD 197, Prince George's, MD

Built 1985 Load: 47.6 t ADT: 9,595

DECATUR STREET

Fair

Over: NORTHEAST BRANCH

0.3 MI W OF MD RTE 201, Prince George's, MD

Built 1955 Load: 47.6 t ADT: 9,220

IS 68 RAMP 'C'(7)

Fair

Over: MECHANIC STREET

0.44 MI E OF US 48H, Allegany, MD

Built 1968 Load: 48.1 t ADT: 13,163

IS 695 RAMP '1'

Fair

Over: WHITEMARSH BRANCH

0.04 MI N OF MD 147, Baltimore, MD

Built 1961 Load: 48.1 t ADT: 3,892

ENSOR MILL ROAD

Fair

Over: PINEY CREEK

0.5 MI N OF BELFAST ROAD, Baltimore, MD

Built 1978 Load: 48.1 t ADT: 1,356

JOPPA ROAD

Fair

Over: MTA LIGHT RAIL

50 FT W BELLONA AVE, Baltimore, MD

Built 1986 Load: 48.1 t ADT: 21,549

TRENTON ROAD

Fair

Over: PINEY RUN

0.8 MI SW OF BLACKROCK RD, Baltimore, MD

Built 1970 Load: 48.1 t ADT: 1,050

SAN MARTIN DRIVE

Fair

Over: STONEY RUN

0.5 MI N HOWARD & 29TH ST, Baltimore city, MD

Built 1930 Load: 48.1 t ADT: 2,034

RUSSELL ROAD

Fair

Over: GRAMIES RUN

0.05 MI N OF GALLAHER RD, Cecil, MD

Built 1982 Load: 48.1 t ADT: 204

ROCKY RIDGE ROAD (

Fair

Over: MONOCACY RIVER

1.3 MI W OF CARROLL CO, Frederick, MD

Built 1932 Load: 48.1 t ADT: 937

HERRINGTON MANOR R

Fair

Over: YOUGHIOGHENY RIVER

0.2MI S OF FINGERBOARD RD, Garrett, MD

Built 1960 Load: 48.1 t ADT: 1,782

MD 22

Fair

Over: CSX TRANS.

0.06 MILE WEST OF US 40, Harford, MD

Built 1968 Load: 48.1 t ADT: 25,940

I-95 SB

Fair

Over: BYNUM RUN

MILEPOST M79.1, Harford, MD

Built 1963 Load: 48.1 t ADT: 66,515

MD 28

Fair

Over: CSXT, WMATA, RAMP

0.19 MILE WEST OF MD 911, Montgomery, MD

Built 1981 Load: 48.1 t ADT: 27,020

IS 270 NBR

Fair

Over: BR OF LITTLE BENNETT CRK

0.32 MILE SOUTH OF MD 109, Montgomery, MD

Built 1952 Load: 48.1 t ADT: 94,940

BROOKVILLE ROAD

Fair

Over: CSXT RAILROAD

0.4 MI SW OF MD 192, Montgomery, MD

Built 1976 Load: 48.1 t ADT: 19,611

HYATTSTOWN MILL RO

Fair

Over: TRIBUTARY OF LITTLE BENN

0.12 MI. E. OF JCT SR 355, Montgomery, MD

Built 2006 Load: 48.1 t ADT: 62

WHITEHAVEN FERRY R

Fair

Over: WAUKIKI CREEK

1.36 MI W OF WIDGEON, Somerset, MD

Built 2002 Load: 48.1 t ADT: 404

US 40 ALT

Fair

Over: LANDIS SPRING BRANCH

0.20 MILE EAST OF MD 741, Washington, MD

Built 1900 Load: 48.1 t ADT: 6,082

IS 70 WB

Fair

Over: BEAVER CREEK

0.08 MILE WEST OF MD 66, Washington, MD

Built 1966 Load: 48.1 t ADT: 72,140

TOMS ROAD

Fair

Over: BEAVER CREEK

1.5 MI SE OF ALT US RTE 4, Washington, MD

Built 1985 Load: 48.1 t ADT: 192

IS 68

Fair

Over: FIFTEEN MILE CREEK

0.08 MI E OF US 40 SCN, Allegany, MD

Built 1990 Load: 48.5 t ADT: 18,400

MD 295 NBR

Fair

Over: AMTRAK, STONY RUN

0.14 MI S OF IS 195, Anne Arundel, MD

Built 1950 Load: 48.5 t ADT: 67,307

COVE ROAD

Fair

Over: NORFOLK SOUTHERN RR

500' N. OF MD 695, Baltimore, MD

Built 1971 Load: 48.5 t ADT: 5,699

MCDONOGH ROAD

Fair

Over: SCOTTS LEVEL BRANCH

0.5 MI N OF MD RTE 26, Baltimore, MD

Built 1993 Load: 48.5 t ADT: 4,750

IS 95 NB

Fair

Over: B & O RR

0.25 MI S OF PULASKI HWY, Baltimore city, MD

Built 1972 Load: 48.5 t ADT: 64,059

BRANGELS ROAD

Fair

Over: PINEY RUN

0.55 MI E OF ARRINGTON RD, Carroll, MD

Built 1974 Load: 48.5 t ADT: 3,125

I-95

Fair

Over: NORTHEAST CREEK

Milepost M100.3, Cecil, MD

Built 1963 Load: 48.5 t ADT: 78,625

MD 32 WB

Fair

Over: CSX TRANSPORTATION

ON ANNE ARUNDEL CO LINE, Howard, MD

Built 1983 Load: 48.5 t ADT: 65,902

US 1 ALT NB

Fair

Over: NORTHEAST BRANCH

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

Built 1955 Load: 48.5 t ADT: 13,462

US 220

Fair

Over: WARRIOR RUN

0.16 MILE NORTH OF MD 636, Allegany, MD

Built 1900 Load: 49.0 t ADT: 15,191

ROBBIN STREET

Fair

Over: JACKSON RUN

0.05 MI E OF JACKSON ST, Allegany, MD

Built 1946 Load: 49.0 t ADT: 338

MD 175

Fair

Over: AMTRAK

0.37 MILE NORTH OF MD 170, Anne Arundel, MD

Built 1938 Load: 49.0 t ADT: 28,180

IS 795 & RAMP '4'

Fair

Over: IS 795 RAMP '10'

0.62 MILE SOUTH OF MD 940, Baltimore, MD

Built 1983 Load: 49.0 t ADT: 110,982

REAMES ROAD

Fair

Over: TRIBUTARY TO WHITE MARSH

.2 MI EAST OF US RTE 40, Baltimore, MD

Built 1950 Load: 49.0 t ADT: 1,900

HILTON STREET

Fair

Over: AMTRAK

AT FREDERICK AVE JCT, Baltimore city, MD

Built 1955 Load: 49.0 t ADT: 29,811

I-95 NB COLLECTOR

Fair

Over: DESOTO ROAD

Milepost M52.4, Baltimore city, MD

Built 1976 Load: 49.0 t ADT: 11,209

I-95 RAMP P

Fair

Over: VACANT LOT / WETLANDS

Milepost M56.4, Baltimore city, MD

Built 1977 Load: 49.0 t ADT: 5,273

US 40

Fair

Over: CHURCH CREEK

1.24 MILES WEST OF MD 7, Harford, MD

Built 1935 Load: 49.0 t ADT: 25,930

IS 95 SB

Fair

Over: MIDDLE PATUXENT RIVER

0.18 MILE NORTH OF IS 95I, Howard, MD

Built 1970 Load: 49.0 t ADT: 186,750

CLARA BARTON PARKW

Fair

Over: RIVERSIDE DRIVE

0.7 MILES SOUTH OF I-495;, Montgomery, MD

Built 1961 Load: 49.0 t ADT: 16,120

Showing 2,801-2,850 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.