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

KINSTER DRIVE

Good

Over: LITTLE SENECA CREEK TRIB

0.1 MI N OF CRYSTAL ROCK, Montgomery, MD

Built 2018 Load: 38.2 t ADT: 144

MD 51

Good

Over: EVITTS CREEK

0.14 MI E OF CUMBERLAND, Allegany, MD

Built 1957 Load: 38.5 t ADT: 12,092

GWYNNBROOK AVENUE

Good

Over: TRIBUTARY TO GWYNNS FALL

0.09 MI E OWINGS MILLS BL, Baltimore, MD

Built 2018 Load: 38.5 t ADT: 4,304

I95 SOUTHBOUND

Good

Over: I695 STEMMERS RUN

2.8 Mile North of I-895, Baltimore, MD

Built 2008 Load: 38.5 t ADT: 55,243

SINCLAIR LANE

Good

Over: CSX

0.3 MI W OF ERDMAN AVE, Baltimore city, MD

Built 2014 Load: 38.5 t ADT: 18,733

I-695 OL

Good

Over: CSXT RR

0.18 MI N OF CHEMICAL RD, Baltimore city, MD

Built 1975 Load: 38.5 t ADT: 23,169

MD 7B

Good

Over: PRINCIPIO CREEK

0.64 MILE SOUTH OF US 40, Cecil, MD

Built 1995 Load: 38.5 t ADT: 1,700

MD 77

Good

Over: DOUBLE PIPE CREEK

ON CARROLL CO LINE, Frederick, MD

Built 1989 Load: 38.5 t ADT: 841

BALLENGER CREEK PI

Good

Over: BALLENGER CREEK

0.1 MI N OF LAMBERT DRIVE, Frederick, MD

Built 2003 Load: 38.5 t ADT: 2,462

MD 198 EB

Good

Over: PATUXENT RIVER

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

Built 1986 Load: 38.5 t ADT: 20,487

MD 198 WB

Good

Over: PATUXENT RIVER

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

Built 1983 Load: 38.5 t ADT: 19,683

RED HOUSE ROAD

Good

Over: NASSAWANGO CREEK

1.23 MI SW OF MD 12, Worcester, MD

Built 1995 Load: 38.5 t ADT: 165

BIXLER CHURCH ROAD

Good

Over: TRIBUTARY TO BIG PIPE CR

0.21 MI. N. OF MD 496, Carroll, MD

Built 1973 Load: 38.6 t ADT: 694

RIVER ROAD

Good

Over: TRIBUTARY TO PATAPSCO RI

1.24 MILES S OF MD 144, Baltimore, MD

Built 2020 Load: 38.9 t ADT: 956

WAIBEL RD

Good

Over: BRANCH OF BASIN RUN

1.06 MILES N OF MD 276, Cecil, MD

Built 2016 Load: 38.9 t ADT: 205

US 219 NB

Good

Over: US 40 NATIONAL PIKE

0.3 mi N of I-68, Garrett, MD

Built 2020 Load: 38.9 t ADT: 4,300

US 219 SB

Good

Over: US 40 NATIONAL PIKE

0.3 mi N of I-68, Garrett, MD

Built 2020 Load: 38.9 t ADT: 4,300

GREEN ROAD

Good

Over: TRIB / DEER CREEK

0.05 M W OF LONG CORNER R, Harford, MD

Built 2019 Load: 38.9 t ADT: 148

KONTERRA DRIVE

Good

Over: I-95

1 MILE SOUTH OF MD 198, Prince George's, MD

Built 2013 Load: 38.9 t ADT: 9,800

IS 70 EB

Good

Over: CONOCOCHEAGUE CREEK

1.34 MILES WEST OF MD 63, Washington, MD

Built 1966 Load: 38.9 t ADT: 17,276

IS 70 WB

Good

Over: CONOCOCHEAGUE CREEK

1.34 MILES WEST OF MD 63, Washington, MD

Built 1966 Load: 38.9 t ADT: 17,276

FIFTEEN MILE CREEK

Good

Over: WHITE SULPHUR RUN

1.64 MILES S OF US 40, Allegany, MD

Built 1935 Load: 39.0 t ADT: 1,218

IS 195 RAMP 'A'

Good

Over: AMTRAK, STONY RUN

0.14 MI S OF IS 195, Anne Arundel, MD

Built 1990 Load: 39.0 t ADT: 5,591

IS 95 RAMP Q

Good

Over: FROM INTERSTATE AVE

0.1 MI. S. OF BOSTON ST., Baltimore city, MD

Built 1980 Load: 39.0 t ADT: 7,352

HOUCKSVILLE ROAD

Good

Over: CSX RAILROAD

1 BLOCK WEST OF MD 30, Carroll, MD

Built 2002 Load: 39.0 t ADT: 4,741

SUNSHINE TRAIL RD

Good

Over: FRIENDS CREEK

0.12 MI N OF FRIENDS CR R, Frederick, MD

Built 1975 Load: 39.0 t ADT: 240

MONTEVUE LANE

Good

Over: TRIBUTARY 96

1.2 MI. W OF US 15, Frederick, MD

Built 1995 Load: 39.0 t ADT: 9,791

MD 161

Good

Over: DEER CREEK

2.11 MILES S OF MD 623, Harford, MD

Built 1995 Load: 39.0 t ADT: 5,291

MD 732R

Good

Over: CSX TRANS, BROCK BRIDGE

ON ANNE ARUNDEL CO LINE, Howard, MD

Built 1990 Load: 39.0 t ADT: 15,761

US 1

Good

Over: PAINT BR & PB TRAIL

0.65 MILE SOUTH OF MD 430, Prince George's, MD

Built 1980 Load: 39.0 t ADT: 35,500

OLD ELK NECK ROAD

Good

Over: PINEY CREEK

0.65 MI N of Turkey Point, Cecil, MD

Built 2015 Load: 39.2 t ADT: 1,710

GREEN ROAD

Good

Over: TRIB / DEER CREEK

0.2 M W OF LONG CORNER RD, Harford, MD

Built 2019 Load: 39.2 t ADT: 510

BARTLETT RUN ROAD

Good

Over: BUTCHERS RUN

0.16 MI W OF MD 36, Allegany, MD

Built 2007 Load: 39.5 t ADT: 970

GLEN ARM ROAD

Good

Over: GUNPOWDER FALLS

0.02 MI E OF MD 567, Baltimore, MD

Built 1998 Load: 39.5 t ADT: 14,402

I695W RAMP TO I95S

Good

Over: I95/I695 (INTERCHANGE)

I-695/I-95 Interchange, Baltimore, MD

Built 2008 Load: 39.5 t ADT: 10,671

SOUTHERN CONNECTOR

Good

Over: TRIBUTARY TO ST. JOHN CR

0.5 MI WEST OF MD 760, Calvert, MD

Built 2008 Load: 39.5 t ADT: 7,626

SENNETT ROAD

Good

Over: HERRING RUN

0.22 MI NE OF MD 404, Caroline, MD

Built 1993 Load: 39.5 t ADT: 545

BOLIVAR COURT

Good

Over: BOLIVAR BRANCH

AT BOLIVAR RD INTERSECTN, Frederick, MD

Built 1994 Load: 39.5 t ADT: 35

WINTERS RUN ROAD

Good

Over: MOUNTAIN BRANCH

0.05 MILES S OF SINGER RD, Harford, MD

Built 1972 Load: 39.5 t ADT: 585

MD 200 (ICC) EB

Good

Over: TRIBUTARY OF NBRC

1.34 MI W OF MD 97, Montgomery, MD

Built 2010 Load: 39.5 t ADT: 31,652

MD 200 (ICC) WB

Good

Over: Paint Branch

1.40 Mi East of MD650, Montgomery, MD

Built 2010 Load: 39.5 t ADT: 32,064

MD 200 (ICC) WB

Good

Over: US 29 & Ramp SE, NB&EB

0.5 Mi S of Briggs Chaney, Montgomery, MD

Built 2011 Load: 39.5 t ADT: 21,574

IS 83 SBR

Good

Over: NCR TRAIL & LITTLE FALLS

0.55 MILE SOUTH OF MD 45, Baltimore, MD

Built 2005 Load: 39.9 t ADT: 50,431

I-695 OL

Good

Over: DOCK ROAD

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

Built 1972 Load: 39.9 t ADT: 19,157

DRAPERS MILL ROAD

Good

Over: GRAVELLY BRANCH

0.6 MILES EAST OF MD 313, Caroline, MD

Built 2003 Load: 39.9 t ADT: 1,465

MD 119

Good

Over: GUNNERS BR,CSXT RR

.5 MI S OF MIDDLEBROOK RD, Montgomery, MD

Built 1987 Load: 39.9 t ADT: 7,535

New Hampshire Ave

Good

Over: MD 200 (ICC)

5.03 Mi East of MD97, Montgomery, MD

Built 2010 Load: 39.9 t ADT: 31,575

STEWART NECK ROAD

Good

Over: KINGS CREEK

2.3 MI S OF PRINCESS ANNE, Somerset, MD

Built 2014 Load: 39.9 t ADT: 661

CALVARY ROAD

Good

Over: JENKINS CREEK

0.6 MI S OF CRISFIELD RD, Somerset, MD

Built 2008 Load: 39.9 t ADT: 307

IS 81 RAMP 8

Good

Over: BR OF CONOCOCHEAGUE CREE

0.10 MI N OF US 11, Washington, MD

Built 1965 Load: 39.9 t ADT: 3,561

Showing 4,201-4,250 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.