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

SOUTH POINTE DRIVE

Fair

Over: TRIBUTARY OF ANTIETAM CR

0.2 MI N OF EAST RIDGE DR, Washington, MD

Built 1993 Load: 81.6 t ADT: 3,828

IS 68

Fair

Over: WEST TRIB FLINTSTONE CRE

0.24 M W OF BR NO 0107700, Allegany, MD

Built 1990 Load: 82.1 t ADT: 18,551

BETHEL ROAD

Fair

Over: BURNT MILL BRANCH

600 FT N POPLAR NECK RD, Wicomico, MD

Built 1967 Load: 82.1 t ADT: 867

MD 5

Fair

Over: EASTERN BRANCH

1.47 MILES N OF MD 489, St. Mary's, MD

Built 2016 Load: 82.3 t ADT: 10,000

BW PARKWAY (NBL)

Fair

Over: MD ROUTE 410

1.1 MILES NORTH OF MD ROU, Prince George's, MD

Built 1997 Load: 82.5 t ADT: 40,000

BRICE ROAD

Fair

Over: MUDDY RUN

0.13 S OF BLUE MTN ROAD, Frederick, MD

Built 1998 Load: 83.0 t ADT: 292

BEL PRE ROAD

Fair

Over: BEL PRE CREEK

0.5 MILES WEST OF MD 182, Montgomery, MD

Built 1955 Load: 83.0 t ADT: 31,186

BRIGHTON DAM ROAD

Fair

Over: HAWLINGS RIVER

0.9 MI W OF JCT SR MD 650, Montgomery, MD

Built 1920 Load: 83.0 t ADT: 2,990

DEMOCRACY BLVD

Fair

Over: BUCK BRANCH

2 MI E OF JCT SR MD 189, Montgomery, MD

Built 1988 Load: 83.0 t ADT: 16,780

EBENEZER ROAD

Fair

Over: WHITE MARSH RUN

0.22 MI S OF US 40, Baltimore, MD

Built 1988 Load: 83.4 t ADT: 12,715

JOLLY ACRES ROAD

Fair

Over: DEER CREEK

2.0 MILES W OF MD 23, Harford, MD

Built 1973 Load: 83.9 t ADT: 80

SKYLARK ROAD

Fair

Over: LITTLE SENECA CREEK

0.7 MI WEST OF MD 27, Montgomery, MD

Built 2006 Load: 84.4 t ADT: 5,507

MD 272

Fair

Over: HANCE POINT CREEK

3.05 MILES SOUTH OF MD 7C, Cecil, MD

Built 1957 Load: 85.3 t ADT: 2,650

GARRETT A MORGAN B

Fair

Over: UNNAMED TRIBUTARY

0.6 MI NORTH OF MD 214, Prince George's, MD

Built 1993 Load: 85.3 t ADT: 20,637

MD 363

Fair

Over: MANOKIN RIVER

0.06 MILE WEST OF US 13, Somerset, MD

Built 1974 Load: 85.3 t ADT: 3,722

HUNTMASTER ROAD

Fair

Over: GOSHEN BRANCH

0.2 MI NORTH OF BRINK RD, Montgomery, MD

Built 1920 Load: 85.4 t ADT: 480

MD 355

Fair

Over: CAPITAL CRESCENT TRAIL

0.08 MILE SOUTH OF MD 410, Montgomery, MD

Built 1988 Load: 85.7 t ADT: 28,620

GLEN ROAD

Fair

Over: WATTS BRANCH

1.5 MI W OF JCT SR 189, Montgomery, MD

Built 1930 Load: 85.7 t ADT: 8,250

US 40 ALT

Fair

Over: BEAVER CREEK

1.75 MILES EAST OF MD 741, Washington, MD

Built 1931 Load: 86.2 t ADT: 6,082

MULBERRY POINT RD

Fair

Over: WOODREST CREEK

.06 MI N OF ANTI-AIRCRAFT, Harford, MD

Built 1985 Load: 86.5 t ADT: 100

MD 300

Fair

Over: TRIB TO ANDOVER BRANCH

1.75 M W OF DELAWARE LINE, Queen Anne's, MD

Built 1995 Load: 86.6 t ADT: 2,461

MD 10 NBR

Fair

Over: MARLEY CREEK

0.45 MI S OF MD 648E, Anne Arundel, MD

Built 1988 Load: 87.1 t ADT: 43,170

MD 145

Fair

Over: GREENE BRANCH

0.73 MILE W OF COOPER RD, Baltimore, MD

Built 1929 Load: 87.1 t ADT: 12,712

BEAVER DAM ROAD

Fair

Over: GOODWIN RUN

0.30 MI. N OF PADONIA RD., Baltimore, MD

Built 1997 Load: 87.1 t ADT: 10,960

SILENT CREEK ROAD

Fair

Over: DRAINAGE DITCH

.15 MI N OF BILLINGSLY RD, Charles, MD

Built 2009 Load: 87.5 t ADT: 610

OAKDALE SCHOOL ROA

Fair

Over: TRIBUTARY TO LONG BRANCH

0.2 MI N OF OLD NATL PIKE, Frederick, MD

Built 2001 Load: 88.0 t ADT: 1,790

COON BOX ROAD

Fair

Over: ISLAND CREEK

0.3 MI. E. BURRISVILLE RD, Queen Anne's, MD

Built 1982 Load: 88.0 t ADT: 332

US 40 SCN

Fair

Over: SIDELING HILL CREEK

WASHINGTON COUNTY LINE, Allegany, MD

Built 1925 Load: 88.4 t ADT: 281

HOLLY ROAD

Fair

Over: TRIB OF CHOPTANK RIVER

2.5 MI N OF MD RTE 404, Caroline, MD

Built 1972 Load: 89.3 t ADT: 1,745

MD 7C

Fair

Over: NORTHEAST CREEK

0.27 MILE SOUTH OF MD 272, Cecil, MD

Built 1921 Load: 89.3 t ADT: 2,360

MD 17

Fair

Over: BROAD RUN

0.07 MI N OF ARNOLD ROAD, Frederick, MD

Built 1959 Load: 89.3 t ADT: 2,061

MD 5

Fair

Over: ST CLEMENTS CREEK

0.72 MILE SOUTH OF MD 238, St. Mary's, MD

Built 1929 Load: 89.3 t ADT: 6,450

MD 2

Fair

Over: BRANCH OF CYPRESS CREEK

0.15 M N OF CYPRUS CRK RD, Anne Arundel, MD

Built 1971 Load: 89.8 t ADT: 64,211

NORTHERN PARKWAY

Fair

Over: HERRING RUN

0.6 MI E OF LOCH RAVEN BD, Baltimore city, MD

Built 1964 Load: 89.8 t ADT: 24,655

COX ROAD

Fair

Over: SEWELL BRANCH

0.5 MILES EAST OF MD 2-4, Calvert, MD

Built 1994 Load: 89.8 t ADT: 1,670

EASTERN AVENUE

Fair

Over: JONES FALLS

WEST OF PRESIDENT STR., Baltimore city, MD

Built 1991 Load: 90.2 t ADT: 2,446

I-395 RAMP SPUR

Fair

Over: STADIUM LOT

MILEPOST 1.2, Baltimore city, MD

Built 1981 Load: 90.2 t ADT: 21,421

GRANITE ROCK ROAD

Fair

Over: TRIBUTARY TO LITTLE SENE

1 MI NORTHEAST OF MD 355, Montgomery, MD

Built 2007 Load: 96.9 t ADT: 412

US 13 SB

Fair

Over: KINGS CREEK

0.18 MILE SOUTH OF MD 920, Somerset, MD

Built 1962 Load: 97.2 t ADT: 10,500

IS 68

Fair

Over: BRANCH OF EVITTS CREEK

0.07MI E OF MD 144, Allegany, MD

Built 1938 Load: 99.9 t ADT: 26,680

MD 36

Fair

Over: JENNINGS RUN

0.06 MI N OF MD 638, Allegany, MD

Built 1985 Load: 99.9 t ADT: 2,150

MD 144

Fair

Over: FLINTSTONE CREEK

0.06 MI E OF MD 940AO, Allegany, MD

Built 1900 Load: 99.9 t ADT: 1,121

IS 68

Fair

Over: SNIB HOLLOW RUN

1.15 MI W OF MD 948Y, Allegany, MD

Built 1986 Load: 99.9 t ADT: 15,460

IS 68 & US 40 SCN

Fair

Over: SNIB HOLLOW RUN

0.62 M E OF US 40 SC, Allegany, MD

Built 1986 Load: 99.9 t ADT: 15,460

IS 68 & US 40 SCN

Fair

Over: SNIB HOLLOW RUN

0.64MI W OF WASH CO LINE, Allegany, MD

Built 1986 Load: 99.9 t ADT: 15,460

IS 68

Fair

Over: SNIB HOLLOW RUN

0.22 MI W OF US 40SC, Allegany, MD

Built 1962 Load: 99.9 t ADT: 15,460

MD 36

Fair

Over: MOORES RUN

0.22 MILE NORTH OF MD 935, Allegany, MD

Built 1981 Load: 99.9 t ADT: 5,740

MD 144

Fair

Over: ELK LICK RUN

0.16 M E OF ROCKY GAP RD, Allegany, MD

Built 1990 Load: 99.9 t ADT: 1,161

IS 68

Fair

Over: ELK LICK RUN

0.82 M E OF BR NO 0115400, Allegany, MD

Built 1990 Load: 99.9 t ADT: 18,670

IS 68

Fair

Over: ELK LICK RUN

0.184 MI W BR NO. 0115200, Allegany, MD

Built 1990 Load: 99.9 t ADT: 18,670

Showing 3,501-3,550 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.