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

MT OLIVE CHURCH RD

Fair

Over: NASSAWANGO CREEK

1.74 MI SE OF WO, Worcester, MD

Built 2001 Load: 59.9 t ADT: 155

MD 43

Fair

Over: BRANCH OF WHITEMARSH RUN

1.61 MILE EAST OF IS 695, Baltimore, MD

Built 1991 Load: 60.3 t ADT: 36,232

VAN DEMAN STREET

Fair

Over: COLGATE CREEK

0.04 MI S BECKLEY ST, Baltimore city, MD

Built 1983 Load: 60.3 t ADT: 1,110

I-395 SB

Fair

Over: OSTEND ST/LOTS G&H

Milepost 1.1, Baltimore city, MD

Built 1981 Load: 60.3 t ADT: 49,838

MD 91

Fair

Over: MARYLAND MIDLAND RR

.14 MILE SOUTH OF MD 879E, Carroll, MD

Built 1965 Load: 60.3 t ADT: 5,640

BOWERS ROAD

Fair

Over: ALLOWAY CREEK

.3 MI N OF PINEY CREEK RD, Carroll, MD

Built 1988 Load: 60.3 t ADT: 212

SCHALK ROAD NO. 1

Fair

Over: GUNPOWDER FALLS

0.03 MI E OF KERN RD, Carroll, MD

Built 1980 Load: 60.3 t ADT: 699

US 1

Fair

Over: DEER CREEK

2.08 MILES S OF MD 136, Harford, MD

Built 1934 Load: 60.3 t ADT: 11,172

MD 23

Fair

Over: DEER CREEK

1.98 MILES WEST OF MD 136, Harford, MD

Built 1989 Load: 60.3 t ADT: 3,552

MD 24

Fair

Over: KELLOGG BRANCH

2.86 MILES S OF MD 165, Harford, MD

Built 1917 Load: 60.3 t ADT: 3,193

MD 108 EB

Fair

Over: LITTLE PATUXENT RIVER

0.55 MILE WEST OF US 29, Howard, MD

Built 1975 Load: 60.3 t ADT: 36,160

MD 108 WB

Fair

Over: LITTLE PATUXENT RIVER

0.55 MILE WEST OF US 29, Howard, MD

Built 1975 Load: 60.3 t ADT: 36,160

FOLLY QUARTER ROAD

Fair

Over: TRIBUTARY TO MIDDLE PATU

1.2 MI S OF MD RTE 144, Howard, MD

Built 1970 Load: 60.3 t ADT: 3,489

EDNOR ROAD

Fair

Over: NORTHWEST BRANCH

1.6 MILES WEST OF MD 650, Montgomery, MD

Built 1990 Load: 60.3 t ADT: 2,110

SHAVOX ROAD

Fair

Over: NASSAWANGO CREEK

0.5 MI E FOREST GROVE RD, Wicomico, MD

Built 1992 Load: 60.3 t ADT: 605

SILVER SPRING ROAD

Fair

Over: TRIBUTARY TO WHITE MARSH

.01 M E OF PERRY HALL BLV, Baltimore, MD

Built 1991 Load: 60.8 t ADT: 9,324

I-695 OUTER LOOP

Fair

Over: P AND B RAILROAD

0.3 MI W OF MD 151, Baltimore, MD

Built 1997 Load: 60.8 t ADT: 12,337

SERVICE ROAD

Fair

Over: ELBOW BRANCH

1.5 MI E OF MD 161, Baltimore city, MD

Built 1962 Load: 60.8 t ADT: 11

MD 140

Fair

Over: MEADOW BRANCH

0.17 MILE SOUTH OF MD 832, Carroll, MD

Built 1952 Load: 60.8 t ADT: 17,390

MD 272 NB

Fair

Over: NORTHEAST CREEK

0.1 MILE NORTH OF MD 7C, Cecil, MD

Built 1968 Load: 60.8 t ADT: 6,802

I-95 SB

Fair

Over: FRENCHTOWN RD

0.8 MI N OF SUSQUEHANNA R, Cecil, MD

Built 1963 Load: 60.8 t ADT: 46,815

US 15

Fair

Over: OWENS CREEK

0.6 MILE NORTH OF MD 550, Frederick, MD

Built 1954 Load: 60.8 t ADT: 27,210

SAVAGE RIVER ROAD

Fair

Over: POPLAR LICK RUN

1.43 MI S WESTERN PORT RD, Garrett, MD

Built 1935 Load: 60.8 t ADT: 544

MD 7A

Fair

Over: AMTRAK

0.12 MILE NORTH OF US 40, Harford, MD

Built 1983 Load: 60.8 t ADT: 11,932

MD 238

Fair

Over: BURROUGHS RUN

1.49 MILES W OF MD 234, St. Mary's, MD

Built 1929 Load: 60.8 t ADT: 1,791

IS 68 EB

Fair

Over: RICE ROAD

1.71 MILES EAST OF MD 903, Washington, MD

Built 1985 Load: 60.8 t ADT: 19,950

IS 795 NBR

Fair

Over: MT WILSON LANE

0.62 MILE SOUTH OF MD 37, Baltimore, MD

Built 1983 Load: 61.2 t ADT: 110,982

IS 795 SBR

Fair

Over: MT WILSON LANE

0.62 MILE SOUTH OF MD 37, Baltimore, MD

Built 1983 Load: 61.2 t ADT: 110,982

GUNPOWDER ROAD

Fair

Over: GUNPOWDER FALLS

2.3 MI. S. MD-PA ST LINE, Baltimore, MD

Built 1968 Load: 61.2 t ADT: 163

MD 17

Fair

Over: MIDDLE CREEK

1.64 MILES N0RTH OF US 40, Frederick, MD

Built 1889 Load: 61.2 t ADT: 1,951

PIGS EAR ROAD

Fair

Over: MILL RUN

.25 MILES SOUTH OF US40, Garrett, MD

Built 2000 Load: 61.2 t ADT: 205

SHARON ROAD

Fair

Over: SOUTH STIRRUP RUN

0.7 MILES E OF MD 24, Harford, MD

Built 1950 Load: 61.2 t ADT: 1,140

LONG CORNER ROAD

Fair

Over: PATUXENT RIVER

1 MILE NORTH OF GUE ROAD, Montgomery, MD

Built 1968 Load: 61.2 t ADT: 2,595

WOOTTON PARKWAY

Fair

Over: CABIN JOHN CREEK

1.1 MILES WEST MD 355, Montgomery, MD

Built 1991 Load: 61.2 t ADT: 20,825

MCKENDREE ROAD

Fair

Over: TIMOTHY BRANCH

.26 MI W OF US 301 / MD 5, Prince George's, MD

Built 1986 Load: 61.2 t ADT: 5,202

CROUSE MILL RD

Fair

Over: TUCKAHOE CREEK

1 MI SE. OF MD 481, Queen Anne's, MD

Built 1999 Load: 61.2 t ADT: 300

MAYO BEACH PARK RD

Fair

Over: TIDAL GUT TO BIG POND

.4 MI S OF SHOREHAM BEACH, Anne Arundel, MD

Built 1998 Load: 61.7 t ADT: 69

WINDSOR MILL ROAD

Fair

Over: GWYNNS FALLS

0.3 MI WEST CLIFTON AVE, Baltimore city, MD

Built 1887 Load: 61.7 t ADT: 20,504

EDMONDSON AVENUE

Fair

Over: AMTRAK

0.25 MI W OF MONROE ST, Baltimore city, MD

Built 1925 Load: 61.7 t ADT: 12,887

WILKENS AVE

Fair

Over: CSX RAILROAD

0.1 MI W OF BRUNSWICK ST, Baltimore city, MD

Built 1991 Load: 61.7 t ADT: 9,834

MD 832

Fair

Over: BEAR BRANCH

1.46 MILE SOUTH OF MD 84, Carroll, MD

Built 1932 Load: 61.7 t ADT: 1,662

SUGARLOAF MTN RD

Fair

Over: BR OF BENNETT CREEK

0.12 MI S OF THURSTON RD, Frederick, MD

Built 1981 Load: 61.7 t ADT: 133

MD 165

Fair

Over: DEER CREEK

1.89 MILES SOUTH OF MD 24, Harford, MD

Built 1932 Load: 61.7 t ADT: 6,101

BOWIE MILL ROAD

Fair

Over: ROCK CREEK NORTH BRANCH

1.8 MI NE OF MD 115, Montgomery, MD

Built 1959 Load: 61.7 t ADT: 10,400

EAST RANDOLPH ROAD

Fair

Over: PAINT BRANCH

0.5 MI W OLD COLUMBIA PK, Montgomery, MD

Built 1963 Load: 61.7 t ADT: 34,092

IS 95

Fair

Over: LITTLE PAINT BRANCH

0.43 MILE WEST OF US I, Prince George's, MD

Built 1963 Load: 61.7 t ADT: 226,340

LEELAND ROAD

Fair

Over: COLLINGTON BRANCH

1.34 MILES NW OF US 301, Prince George's, MD

Built 1985 Load: 61.7 t ADT: 5,468

DAM NO. 5 ROAD

Fair

Over: LITTLE CONOCOCHEAGUE CRE

2.23 MI SW OF MD RTE 56, Washington, MD

Built 1993 Load: 61.7 t ADT: 430

US 50

Fair

Over: GODDARD ARMSTRONG PK'WY

0.837 MILE WEST OF US 13, Wicomico, MD

Built 2001 Load: 61.7 t ADT: 18,971

SMITH AVENUE

Fair

Over: JONES FALLS

INTER. WITH FALLS ROAD, Baltimore city, MD

Built 1963 Load: 62.1 t ADT: 7,284

Showing 3,201-3,250 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.