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

LICKING CREEK ROAD

Fair

Over: LANES RUN

0.9 MI N OF US RTE 40, Washington, MD

Built 1960 Load: 10.0 t ADT: 40

BLACKS MILL ROAD

Fair

Over: BIG HUNTING CREEK

WEST OF LAYMAN RD INT, Frederick, MD

Built 1914 Load: 10.4 t ADT: 450

CHERRY HILL ROAD

Fair

Over: DEER CREEK

0.02 MILES NE OF MD 24, Harford, MD

Built 1900 Load: 10.9 t ADT: 559

CRYSTAL FALLS DRIV

Fair

Over: BEAVER CREEK

0.36 MI N OF MD RTE 64, Washington, MD

Built 1890 Load: 10.9 t ADT: 678

MILLBROOK ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.5 MI W OF MD RTE 67, Washington, MD

Built 1920 Load: 10.9 t ADT: 1,173

MACARTHUR BLVD.

Fair

Over: CABIN JOHN CREEK

1.5 MI. E. OF I-495, Montgomery, MD

Built 1863 Load: 11.7 t ADT: 6,000

NEW BRIDGE RD

Fair

Over: OCTORARO CREEK

0.02 MI W OF HORSESHOE RD, Cecil, MD

Built 1884 Load: 12.2 t ADT: 1,279

GORMAN STREET

Fair

Over: NYDEGGER RUN

0.32 MI NORTH OF MD 560, Garrett, MD

Built 2002 Load: 12.2 t ADT: 53

PARK ROAD 2

Fair

Over: LITTLE TONOLOWAY CREEK

0.16 MI N MD RT 144, Washington, MD

Built 1950 Load: 12.8 t ADT: 123

POLLING HOUSE ROAD

Fair

Over: ROCK BRANCH

0.7 MI N OF MD RTE 422, Anne Arundel, MD

Built 1965 Load: 13.2 t ADT: 375

BENNIES HILL ROAD

Fair

Over: CATOCTIN CREEK

0.65 MI EAST OF MD 17, Frederick, MD

Built 1880 Load: 13.2 t ADT: 131

SHAWAN ROAD

Fair

Over: TRIBUTARY OF OREGON BRAN

0.7 MI E OF FALLS RD, Baltimore, MD

Built 1920 Load: 13.6 t ADT: 16,772

THISTLE ROAD

Fair

Over: TRIBUTARY TO PATAPSCO RI

0.57 MI S OF MD 144, Baltimore, MD

Built 1920 Load: 13.6 t ADT: 2,400

LOCH RAVEN DRIVE

Fair

Over: MINEBANK RUN

0.09 MI W CROMWELL BRDG R, Baltimore city, MD

Built 1900 Load: 13.6 t ADT: 309

KEYSVILLE ROAD

Fair

Over: TOMS CREEK

2.0 MI NORTHEAST OF MD 76, Frederick, MD

Built 1876 Load: 13.6 t ADT: 451

PUTNAM ROAD

Fair

Over: WEST BRANCH/WINTERS RUN

1.5 MILES E OF MD 165, Harford, MD

Built 1950 Load: 13.6 t ADT: 648

GLEN ROAD

Fair

Over: KILGOUR BRANCH

1.5 MI WEST OF MD 189, Montgomery, MD

Built 1942 Load: 13.6 t ADT: 5,880

KEEDYSVILLE ROAD

Fair

Over: ANTIETAM CREEK

0.8 MI NW OF MD RTE 34, Washington, MD

Built 1830 Load: 13.6 t ADT: 1,173

DOGSTREET ROAD

Fair

Over: LITTLE ANTIETAM CREEK

1.89 MI W OF MD RTE 67, Washington, MD

Built 1850 Load: 13.6 t ADT: 1,560

FORGE HILL ROAD

Fair

Over: DEER CREEK

1.6 MILES S OF US 1, Harford, MD

Built 1925 Load: 13.9 t ADT: 112

JACOBS ROAD

Fair

Over: SEVERN RUN

0.64 MI E OF MD 174, Anne Arundel, MD

Built 1974 Load: 14.5 t ADT: 4,339

MCCAULEY ROAD

Fair

Over: BASIN RUN

0.01 MI NE OF DR JACK RD, Cecil, MD

Built 1884 Load: 14.5 t ADT: 526

MD 550

Fair

Over: CABBAGE RUN

1.39 MILES NORTH OF MD 26, Frederick, MD

Built 1939 Load: 14.5 t ADT: 2,785

STEVENS ROAD

Fair

Over: HUNTING CREEK

WEST OF OLD FREDERICK RD, Frederick, MD

Built 1914 Load: 14.5 t ADT: 135

MATTHEW HENSON AVE

Fair

Over: CATTAIL BRANCH

0.04 MI S GREEN LEAF RD, Prince George's, MD

Built 1956 Load: 14.5 t ADT: 2,241

US 340

Fair

Over: POTOMAC RIVER, CSX TRANS

ON VIRGINIA STATE LINE, Washington, MD

Built 1946 Load: 14.5 t ADT: 20,830

CUBA ROAD

Fair

Over: WESTERN RUN

0.3 MI S WESTERN RUN RD, Baltimore, MD

Built 1893 Load: 15.0 t ADT: 3,524

RESEARCH AVENUE

Fair

Over: TRIBUTARY TO PATAPSCO RI

0.08 MI W OF HMDS FERY RD, Baltimore, MD

Built 1955 Load: 15.0 t ADT: 224

MARSHALL AVENUE

Fair

Over: TRIBUTARY TO PATUXENT RI

0.17 MILES EAST OF US 1, Prince George's, MD

Built 1962 Load: 15.0 t ADT: 15,635

PROSPECT STREET

Fair

Over: ANTIETAM STREET

1000 FT W OF US RTE 40 E, Washington, MD

Built 1836 Load: 15.0 t ADT: 2,730

SPRING GAP ACCESS

Fair

Over: C&O CANAL

0.1 miles from Spring Gap, Allegany, MD

Built 1969 Load: 15.4 t ADT: 72

WRIGHTS MILL ROAD

Fair

Over: GRANITE BRANCH

0.46 MI N OF DAVIS AVE, Baltimore, MD

Built 1920 Load: 15.4 t ADT: 239

NEW VALLEY ROAD

Fair

Over: BASIN RUN

0.03 MI N OF BASIN RUN RD, Cecil, MD

Built 1977 Load: 15.4 t ADT: 109

HOLTER ROAD

Fair

Over: HOLLOW CREEK

1 MILE SOUTHEAST OF MD 17, Frederick, MD

Built 1920 Load: 15.4 t ADT: 3,333

MAINTENANCE ROAD

Fair

Over: BLUE BLAZES CREEK

US-15N, WEST ON MC-77 TO, Frederick, MD

Built 1960 Load: 15.4 t ADT: 50

SLABTOWN ROAD

Fair

Over: UNNAMED STREAM

0.40 MI NE OF MD 36, Allegany, MD

Built 1991 Load: 15.9 t ADT: 258

MOORES ROAD

Fair

Over: SAW MILL BRANCH

0.04 MILES N OF GREENE RD, Harford, MD

Built 1952 Load: 15.9 t ADT: 724

MD 717

Fair

Over: WESTERN BRANCH

0.13 MILE NORTH OF MD 4, Prince George's, MD

Built 1900 Load: 15.9 t ADT: 11,061

DUVALL BRIDGE ROAD

Fair

Over: PATUXENT RIVER

TRACT #9 / CENTRAL TRACT, Anne Arundel, MD

Built 1907 Load: 16.3 t ADT: 25

MD 695, RAMPS '1'

Fair

Over: CABIN BRANCH

0.29 MI W OF MD 10, Anne Arundel, MD

Built 1972 Load: 16.3 t ADT: 66,222

BW PARKWAY (NBL)

Fair

Over: LITTLE PATUXENT RIVER

0.8 MILES SOUTH OF MD ROU, Anne Arundel, MD

Built 1953 Load: 16.3 t ADT: 40,000

BW PARKWAY (SBL)

Fair

Over: LITTLE PATUXENT RIVER

0.8 MILES SOUTH OF MD ROU, Anne Arundel, MD

Built 1953 Load: 16.3 t ADT: 40,000

MOUNT GILEAD ROAD

Fair

Over: TRIBUTARY TO NORTH BRANC

1.28 MILES NW OF MD 30, Baltimore, MD

Built 1975 Load: 16.3 t ADT: 338

CROW ROCK ROAD

Fair

Over: MIDDLE CREEK

AT MD 17 INTERSECTION, Frederick, MD

Built 1897 Load: 16.3 t ADT: 460

SUMANTOWN ROAD

Fair

Over: CATOCTIN CREEK

1.5 MI W OLD MIDDLETOWN R, Frederick, MD

Built 1900 Load: 16.3 t ADT: 124

FRICKS CROSSING RO

Fair

Over: LITTLE YOUGHIOGHENY RIVE

0.6 M N INT GARRETT RD, Garrett, MD

Built 2000 Load: 16.3 t ADT: 138

WHITAKER MILL ROAD

Fair

Over: WINTERS RUN

1.8 MILES W OF US 1, Harford, MD

Built 1991 Load: 16.3 t ADT: 3,051

MADONNA ROAD

Fair

Over: DEER CREEK

0.02 MI S OF TELEGRAPH RD, Harford, MD

Built 1965 Load: 16.3 t ADT: 89

WOODLAWN BOULEVARD

Fair

Over: TRIB TO SOUTHWEST BRANCH

.1 MI N OF WHITE HOUSE RD, Prince George's, MD

Built 1969 Load: 16.3 t ADT: 3,980

HARRY S. TRUMAN DR

Fair

Over: TRIB. TO SOUTHWEST BR.

0.8 MI SOUTH OF MD 214, Prince George's, MD

Built 1972 Load: 16.3 t ADT: 17,480

Showing 1,151-1,200 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.