State profile · Below median Poor share

Maryland bridge safety

Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.

5,527
Public bridges
25.9%
Good condition
4.3%
Poor condition

Data updated May 2026

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 whose lowest applicable component is rated 0-4

-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 - Poor-condition 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 by Poor-condition share (lower share = better)

States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maryland on the same metric.

CT

Connecticut

3.95% top marginal rate
Structure
Progressive
Burden @ $100K
$4,277

TN

Tennessee

3.97% top marginal rate
Structure
Progressive
Burden @ $100K
$20,426
Selected

MD

Maryland

4.27% top marginal rate
Structure
Progressive
Burden @ $100K
$5,527

CO

Colorado

4.32% top marginal rate
Structure
Progressive
Burden @ $100K
$8,965

OR

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 the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.

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.

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). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.