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

Fair

Over: HENSON CREEK

0.67 MILE SOUTH OF MD 5, Prince George's, MD

Built 1963 Load: 99.9 t ADT: 143,828

IS 95

Fair

Over: HENSON CREEK

0.71 MILE SOUTH OF MD 4, Prince George's, MD

Built 1962 Load: 99.9 t ADT: 185,190

IS 595

Fair

Over: LOTTSFORD BRANCH

0.56 MILE WEST OF MD 193, Prince George's, MD

Built 1988 Load: 99.9 t ADT: 123,200

MD 337

Fair

Over: BR OF HENSON CREEK

0.35 MILE NORTH OF MD 5, Prince George's, MD

Built 1975 Load: 99.9 t ADT: 31,321

202D (SHERIFF RD)

Fair

Over: TRIB TO CATTAIL CREEK

0.09 MILE WEST OF 202E, Prince George's, MD

Built 1963 Load: 99.9 t ADT: 12,770

BROOKLYN BRIDGE RO

Fair

Over: WALKER BRANCH

0.5 MI EAST OF I-95, Prince George's, MD

Built 1953 Load: 99.9 t ADT: 3,173

RACE TRACK ROAD

Fair

Over: TRIB TO PATUXENT RIVER

0.30 MI N OF MD 450, Prince George's, MD

Built 1969 Load: 99.9 t ADT: 21,230

BRAE BROOKE DRIVE

Fair

Over: TRIB TO BALD HILL BRANCH

1.0 MI SOUTH OF MD 193, Prince George's, MD

Built 1980 Load: 99.9 t ADT: 2,000

BRIARWOOD DRIVE

Fair

Over: TRIB TO CROW BRANCH

0.07 MI W OF MD 197, Prince George's, MD

Built 1964 Load: 99.9 t ADT: 5,510

SHERIFF ROAD

Fair

Over: CABIN BRANCH

0.57 MI W OF MD 704, Prince George's, MD

Built 1974 Load: 99.9 t ADT: 25,149

ARDWICK-ARDMORE RD

Fair

Over: TRIB TO BALD HILL BRANCH

1.04 MI EAST OF I-95, Prince George's, MD

Built 2000 Load: 99.9 t ADT: 10,499

HAMPTON PARK BLVD

Fair

Over: SOUTHWEST BRANCH

0.27 MI S OF MD 214, Prince George's, MD

Built 1978 Load: 99.9 t ADT: 28,216

WHEELER ROAD

Fair

Over: BARNABY RUN

1.34 MILES NE OF MD 414, Prince George's, MD

Built 1959 Load: 99.9 t ADT: 14,865

BRINKLEY ROAD

Fair

Over: TRIB OF HENSON CREEK

100 FEET W OF FISHER ROAD, Prince George's, MD

Built 1953 Load: 99.9 t ADT: 19,422

KENNEBEC STREET

Fair

Over: BARNABY RUN

25 FT WEST OF OWENS ROAD, Prince George's, MD

Built 1961 Load: 99.9 t ADT: 5,390

ST. JAMES ROAD

Fair

Over: TRIBUTARY TO PISCATAWAY

1600 W OF LIVINGSTON ROAD, Prince George's, MD

Built 2005 Load: 99.9 t ADT: 290

COLLEGE STATION DR

Fair

Over: TRIB TO SOUTHWEST BRANCH

0.5 MI. WEST OF MD 202, Prince George's, MD

Built 1989 Load: 99.9 t ADT: 630

CAMPUS WAY SOUTH

Fair

Over: TRIBUTARY TO SOUTHWEST B

0.2 MI WEST OF MD 202, Prince George's, MD

Built 1972 Load: 99.9 t ADT: 15,221

OLD STAGE ROAD

Fair

Over: TRIB TO COLLINGTON BR

0.6 MI EAST OF CHURCH RD, Prince George's, MD

Built 1992 Load: 99.9 t ADT: 670

MILLSTREAM DRIVE

Fair

Over: TRIB TO PATUXENT RIVER

0.2 MI NORTH OF MD 450, Prince George's, MD

Built 1962 Load: 99.9 t ADT: 5,762

DORSET ROAD

Fair

Over: TRIB TO PATUXENT RIVER

0.06 M S OF BROOKLYN B RD, Prince George's, MD

Built 1973 Load: 99.9 t ADT: 685

LAMONT DRIVE

Fair

Over: TRIBUTARY TO BRIER DITCH

0.01 M S OF CARROLTN PKWY, Prince George's, MD

Built 1970 Load: 99.9 t ADT: 8,306

US 50/301

Fair

Over: COX CREEK

1.02 MILES WEST OF MD 18B, Queen Anne's, MD

Built 1950 Load: 99.9 t ADT: 66,761

FEY ROAD

Fair

Over: TRIB. TO CHESTER RIVER

0.41 MI N FROM MD213, Queen Anne's, MD

Built 1985 Load: 99.9 t ADT: 1,294

BENTON CORNERS ROA

Fair

Over: RED LION BRANCH

0.07 MI SOUTH OF MD 300, Queen Anne's, MD

Built 1984 Load: 99.9 t ADT: 110

FELTON SCHOOL ROAD

Fair

Over: ANDOVER BRANCH

0.88 MI NW of MD 300, Queen Anne's, MD

Built 1983 Load: 99.9 t ADT: 221

STULLTOWN ROAD

Fair

Over: GRAVELLY RUN

3.2 MI NE JCT W MD RT 300, Queen Anne's, MD

Built 1983 Load: 99.9 t ADT: 250

LIEBY ROAD

Fair

Over: GRANNY FINLEY BRANCH

.71 MI SW OF FLAT IRON SQ, Queen Anne's, MD

Built 1983 Load: 99.9 t ADT: 250

WILLOW BRANCH ROAD

Fair

Over: GERMAN BRANCH

0.1 MI. NW OF HOPE RD, Queen Anne's, MD

Built 1983 Load: 99.9 t ADT: 331

GRANGE HALL ROAD

Fair

Over: WYE EAST RIVER

0.95 MI. NE OF MD 213, Queen Anne's, MD

Built 1982 Load: 99.9 t ADT: 221

HORSESHOE ROAD

Fair

Over: UNNAMED STREAM

0.3 MI. S. CROUSE MILL RD, Queen Anne's, MD

Built 1982 Load: 99.9 t ADT: 1,105

MD 4

Fair

Over: ST MARY'S RIVER

1.1 MILES SOUTH OF MD 235, St. Mary's, MD

Built 1974 Load: 99.9 t ADT: 18,051

MD 5

Fair

Over: TOWN RUN

0.36 MILE SOUTH OF MD 245, St. Mary's, MD

Built 1990 Load: 99.9 t ADT: 21,360

HURRY RD

Fair

Over: NELSONS RUN

0.2 MI S OF MD RTE 238, St. Mary's, MD

Built 2008 Load: 99.9 t ADT: 1,427

STONEY RUN DRIVE

Fair

Over: WAREHOUSE RUN

1 MI W OF FLAT IRON ROAD, St. Mary's, MD

Built 1995 Load: 99.9 t ADT: 478

WILDEWOOD PARKWAY

Fair

Over: UNNAMED STREAM

.9 MI W OF WILDEWOOD BLVD, St. Mary's, MD

Built 1995 Load: 99.9 t ADT: 5,900

GREENS CROSSING CO

Fair

Over: CRANEY CREEK

0.6 MI E. OF FLAT IRON RD, St. Mary's, MD

Built 2009 Load: 99.9 t ADT: 603

WILDEWOOD DR.

Fair

Over: UNNAMED TRIBUTARY

0.2 M S OF WILDEWOOD PKWY, St. Mary's, MD

Built 2010 Load: 99.9 t ADT: 1,024

MD 322

Fair

Over: TANYARD BRANCH

AT MD 33, Talbot, MD

Built 1966 Load: 99.9 t ADT: 18,380

MD 322

Fair

Over: PAPERMILL POND

1.04 MILE NORTH OF US 50, Talbot, MD

Built 1970 Load: 99.9 t ADT: 15,310

WRIGHTS MILL ROAD

Fair

Over: MILES CREEK

2 MI E OF TRAPPE, Talbot, MD

Built 1985 Load: 99.9 t ADT: 225

RABBIT HILL ROAD

Fair

Over: POTTS MILL CREEK

0.5 MILE WEST OF US 50, Talbot, MD

Built 1991 Load: 99.9 t ADT: 827

MD 63

Fair

Over: BR OF CONOCOCHEAGUE CREE

1.05 MILES NORTH OF US 11, Washington, MD

Built 1959 Load: 99.9 t ADT: 9,581

IS 70 WB

Fair

Over: LITTLE CONOCOCHEAGUE CRE

1.34 MILES EAST OF MD 68, Washington, MD

Built 1965 Load: 99.9 t ADT: 40,770

IS 70 WB

Fair

Over: MEADOW BROOK CREEK

3.06 MILES EAST OF MD 68, Washington, MD

Built 1967 Load: 99.9 t ADT: 40,770

IS 70

Fair

Over: LANDIS SPRING BRANCH

0.58 MILE EAST OF US 40, Washington, MD

Built 1966 Load: 99.9 t ADT: 61,140

IS 68

Fair

Over: BEAR CREEK

1.18 MILES WEST OF MD 903, Washington, MD

Built 1982 Load: 99.9 t ADT: 19,950

MD 418

Fair

Over: TRIB TO RED RUN

0.01 M W OF PENNSYLVANIA, Washington, MD

Built 1958 Load: 99.9 t ADT: 5,880

HALFWAY BOULEVARD

Fair

Over: CSXT RAILROAD

0.17 MI W OF I 81, Washington, MD

Built 1965 Load: 99.9 t ADT: 18,183

KEEDYSVILLE ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.1 MI NW OF MD RTE 34, Washington, MD

Built 1858 Load: 99.9 t ADT: 1,173

Showing 3,801-3,850 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.