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

WILLIAMS ROAD SE

Fair

Over: MURLEY BRANCH

0.19 MI W OF MURLEY BR RD, Allegany, MD

Built 1985 Load: 58.5 t ADT: 255

UNION STREET

Fair

Over: GEORGES CREEK

0.03 MI S OF MD 36, Allegany, MD

Built 1914 Load: 58.5 t ADT: 675

IS 795 NBR

Fair

Over: CSX TRANSPORTATION

0.71 MILE NORTH OF IS 695, Baltimore, MD

Built 1983 Load: 58.5 t ADT: 110,982

GLENVILLE ROAD

Fair

Over: GRAVEYARD CREEK

0.3 MI S OF HARMONY CH RD, Harford, MD

Built 1930 Load: 58.5 t ADT: 349

MD 115

Fair

Over: NORTH BR OF ROCK CREEK

0.29 M E OF GRIST MILL DR, Montgomery, MD

Built 1917 Load: 58.5 t ADT: 16,981

MD 28 EB

Fair

Over: ROCK CREEK

0.31 M E OF AVERY ROAD, Montgomery, MD

Built 1970 Load: 58.5 t ADT: 23,866

MD 28 WB

Fair

Over: ROCK CREEK

0.31 M E OF AVERY ROAD, Montgomery, MD

Built 1970 Load: 58.5 t ADT: 24,840

BELFAST ROAD

Fair

Over: TRIBUTARY TO PINEY CREEK

0.6 MI W OF IS 83, Baltimore, MD

Built 1920 Load: 59.0 t ADT: 2,600

KLEES MILL ROAD

Fair

Over: MORGAN RUN

1.25 M W OF MD 32, Carroll, MD

Built 1988 Load: 59.0 t ADT: 1,754

US 40

Fair

Over: STONY RUN

0.37 MILE WEST OF MD 272, Cecil, MD

Built 1940 Load: 59.0 t ADT: 21,540

COUDON BOULEVARD

Fair

Over: TRIBUTARY TO MILL CREEK

1 MI. N PRINCIPIO FURNACE, Cecil, MD

Built 2003 Load: 59.0 t ADT: 1,890

MD 156

Fair

Over: SWAN CREEK

0.54 MILE WEST OF MD 155, Harford, MD

Built 1922 Load: 59.0 t ADT: 970

MD 175 NB

Fair

Over: CO RTES 2035 & 2036

0.5 MILE NORTH OF MD 108, Howard, MD

Built 1975 Load: 59.0 t ADT: 30,855

GLEN ROAD

Fair

Over: PINEY BRANCH

0.6 MI W OF GLEN MILL RD, Montgomery, MD

Built 1935 Load: 59.0 t ADT: 4,689

TURKEY FOOT ROAD

Fair

Over: MUDDY BRANCH

100 FT N OF QUERY MILL RD, Montgomery, MD

Built 1968 Load: 59.0 t ADT: 1,453

MD 208

Fair

Over: NORTHWEST BRANCH

0.71 MILE NORTH OF US 1, Prince George's, MD

Built 1932 Load: 59.0 t ADT: 7,001

LAMONT DRIVE

Fair

Over: BRIER DITCH

AT WESTBROOK DRIVE, Prince George's, MD

Built 1970 Load: 59.0 t ADT: 8,610

BEE OAK ROAD

Fair

Over: TRIBUTARY OF WOLF DEN BR

1 MI S OF CEDARVILLE RD, Prince George's, MD

Built 1975 Load: 59.0 t ADT: 100

MD 695 RAMP 7'A'

Fair

Over: FORCE MAIN

@ MD 695 & MD 702, Baltimore, MD

Built 1972 Load: 59.4 t ADT: 7,951

MD 331

Fair

Over: HUNTING CREEK

ON DORCHESTER CO LINE, Caroline, MD

Built 1958 Load: 59.4 t ADT: 9,800

MD 404 ALT

Fair

Over: TUCKAHOE CREEK

ON TALBOT CO LINE, Caroline, MD

Built 1915 Load: 59.4 t ADT: 1,551

LONDON BRIDGE ROAD

Fair

Over: MORGAN RUN

1.7 M S OF MD 32, Carroll, MD

Built 1956 Load: 59.4 t ADT: 787

WESLEY ROAD

Fair

Over: NORTH BRANCH OF PATAPSCO

0.4 MI E OF SANDYMONT RD, Carroll, MD

Built 1975 Load: 59.4 t ADT: 824

OLDFIELD POINT RD

Fair

Over: LITTLE ELK CREEK

CORP LMTS OF ELKTON, Cecil, MD

Built 1999 Load: 59.4 t ADT: 5,242

IRON HILL ROAD

Fair

Over: AMTRAK

0.37 MI S OF MD 279, Cecil, MD

Built 1981 Load: 59.4 t ADT: 1,236

IS 70 EBR

Fair

Over: CATOCTIN CREEK

0.60 MILE EAST OF MD 17, Frederick, MD

Built 1968 Load: 59.4 t ADT: 68,230

IS 70 WB

Fair

Over: CATOCTIN CREEK

0.60 MILE EAST OF MD 17, Frederick, MD

Built 1968 Load: 59.4 t ADT: 68,230

MD 175 SB

Fair

Over: CO RTES 2035 & 2036

0.5 MILE NORTH OF MD 108, Howard, MD

Built 1975 Load: 59.4 t ADT: 34,795

EAST GUDE DRIVE (E

Fair

Over: CSXT RR & WMATA METRO

0.1 MILE EAST OF MD 355, Montgomery, MD

Built 1989 Load: 59.4 t ADT: 23,921

IS 95 OL

Fair

Over: INDIAN CREEK

0.74 MILE NORTH OF MD 201, Prince George's, MD

Built 1963 Load: 59.4 t ADT: 211,410

MD 662

Fair

Over: MILL CREEK

0.76 MILE NORTH OF US 50, Talbot, MD

Built 1914 Load: 59.4 t ADT: 1,061

MD 68

Fair

Over: WINCHESTER & WESTERN RR

0.06 MILE EAST OF MD 63, Washington, MD

Built 1965 Load: 59.4 t ADT: 7,000

KRETSINGER ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.18 MI N OF WELTY CH RD, Washington, MD

Built 1987 Load: 59.4 t ADT: 131

FIFTEEN MI CRK RD

Fair

Over: FIFTEEN MILE CREEK

0.28 MI N OF US 40, Allegany, MD

Built 1940 Load: 59.9 t ADT: 107

MD 45

Fair

Over: LITTLE FALLS

0.05 MI N OF FREDERICK RD, Baltimore, MD

Built 1930 Load: 59.9 t ADT: 5,350

IS 795 NBR

Fair

Over: CSX TRANSPORTATION

0.82 MI N OF MCDONOUGH RD, Baltimore, MD

Built 1984 Load: 59.9 t ADT: 110,982

COLBURY ROAD

Fair

Over: TRIBUTARY TO HERRING RUN

0.01 MI W OF GOUCHER BLVD, Baltimore, MD

Built 1968 Load: 59.9 t ADT: 4,763

I-395 RAMP D

Fair

Over: STADIUM LOT & RR

Milepost M3.8, Baltimore city, MD

Built 1982 Load: 59.9 t ADT: 2,687

MD 225

Fair

Over: BR OF MATTAWOMAN CREEK

1.88 MILES EAST OF MD 224, Charles, MD

Built 1929 Load: 59.9 t ADT: 12,302

MD 335

Fair

Over: FISHING CREEK

0.18 M N OF HOOPER ISL RD, Dorchester, MD

Built 1992 Load: 59.9 t ADT: 871

ALBERT STAUB ROAD

Fair

Over: OWENS CREEK

0.5 M N OF EYLER ROAD, Frederick, MD

Built 1982 Load: 59.9 t ADT: 1,323

MT EPHRAIM ROAD

Fair

Over: BENNETT CREEK

0.37 MI S OF PARK MILLS R, Frederick, MD

Built 1974 Load: 59.9 t ADT: 260

MD 22

Fair

Over: BYNUM RUN

0.99 MI W OF MD 543, Harford, MD

Built 1950 Load: 59.9 t ADT: 22,861

US 1

Fair

Over: CSX TRANS.

0.85 MILE NORTH OF MD 32, Howard, MD

Built 1969 Load: 59.9 t ADT: 21,992

CRADLEROCK WAY

Fair

Over: UNNAMED STREAM

0.4 MI E BROKENLAND PKWY, Howard, MD

Built 1972 Load: 59.9 t ADT: 8,471

MD 202 NB

Fair

Over: AMTRAK, WMATA

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

Built 1959 Load: 59.9 t ADT: 23,901

COLUMBIA PARK ROAD

Fair

Over: AMTRAK/WMATA/CSXT

125 FEET SOUTH OF US 50, Prince George's, MD

Built 1977 Load: 59.9 t ADT: 40,870

WOODMONT ROAD

Fair

Over: LITTLE TONOLOWAY CREEK

0.19 MI S OF MD 144, Washington, MD

Built 1918 Load: 59.9 t ADT: 507

BENEVOLA NEWCOMER

Fair

Over: BEAVER CREEK

1.02 MI W OF ALT US RT 40, Washington, MD

Built 1993 Load: 59.9 t ADT: 109

NORTH BURHANS BLVD

Fair

Over: NORFOLK SOUTHERN RAILROA

0.4 MI N OF RTE 40 W, Washington, MD

Built 1960 Load: 59.9 t ADT: 16,086

Showing 3,151-3,200 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.