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

WATKINS MILL ROAD

Good

Over: CSX RAILROAD

.28 MI. N. OF MD 117, Montgomery, MD

Built 2006 Load: 50.8 t ADT: 2,136

MD 200 WB

Good

Over: Little Paint Branch

1.23 MI W OF I-95, Prince George's, MD

Built 2011 Load: 50.8 t ADT: 27,734

IS 70

Good

Over: SEMPLE RUN

0.25 MILE WEST OF IS 81, Washington, MD

Built 1966 Load: 50.8 t ADT: 45,040

MD 695 OL

Good

Over: NORTHEAST CREEK

@ MD 695 & MD 702, Baltimore, MD

Built 1972 Load: 50.9 t ADT: 35,900

GLEN COVE ROAD

Good

Over: PEDDLER RUN

1.4 MI NE MD 136, Harford, MD

Built 1930 Load: 50.9 t ADT: 890

FRANKLIN GIBSON RD

Good

Over: TROTTS BRANCH

2.1 MI S OF MD 258, Anne Arundel, MD

Built 1993 Load: 51.2 t ADT: 642

I-895

Good

Over: PATAPSCO RIVER FLATS

I-895 Mileposts 5.3-5.9, Baltimore, MD

Built 1957 Load: 51.2 t ADT: 36,977

ARGONNE DRIVE

Good

Over: HERRING RUN

0.2 MI W HARFORD RD, Baltimore city, MD

Built 1958 Load: 51.2 t ADT: 12,687

BARON STREET

Good

Over: UNNAMED TRIBUTARY

KINGSVIEW SUBDIVISION, Charles, MD

Built 2008 Load: 51.2 t ADT: 230

BIDLE ROAD

Good

Over: CATOCTIN CREEK

0.5 MI SOUTH OF ALT US 40, Frederick, MD

Built 2009 Load: 51.2 t ADT: 650

SIXES ROAD

Good

Over: TOMS CREEK

0.4 MI SOUTH OF GRIMES RD, Frederick, MD

Built 2006 Load: 51.2 t ADT: 60

ALLEN LINTON BLVD

Good

Over: TRIBUTARY OF BALLENGER C

W OF BALLENGER CREEK PIKE, Frederick, MD

Built 2008 Load: 51.2 t ADT: 585

MANDEVILLE ROAD

Good

Over: TRIBUTARY TO LITTLE GUNP

0.3 MILES N OF MD 7, Harford, MD

Built 1985 Load: 51.2 t ADT: 101

KNIGHTS BRIDGE RD

Good

Over: HAMMONDS BRANCH

0.2 MI S OF GORMAN RD, Howard, MD

Built 1992 Load: 51.2 t ADT: 1,230

MD 193 WB

Good

Over: AMTRAK

0.1 MILE EAST OF MD 564, Prince George's, MD

Built 1986 Load: 51.2 t ADT: 16,607

MOUNT OAK ROAD

Good

Over: COLLINGTON BRANCH

1.2 MILES WEST OF US 301, Prince George's, MD

Built 2008 Load: 51.2 t ADT: 12,050

NEW BRIDGE ROAD

Good

Over: LITTLE MILL CREEK

0.38 MI EAST OF MD 371, Worcester, MD

Built 2001 Load: 51.2 t ADT: 125

CHERRIX ROAD

Good

Over: BOXIRON CREEK

2.54 MI SE OF MD 12, Worcester, MD

Built 2003 Load: 51.2 t ADT: 225

LONG GREEN PIKE

Good

Over: LONG GREEN CREEK

0.03 MI S OF LONG GRN RD, Baltimore, MD

Built 2008 Load: 51.7 t ADT: 2,117

MCDONOGH ROAD

Good

Over: HORSEHEAD BRANCH

1.55 MI N. OF RT. 26, Baltimore, MD

Built 1986 Load: 51.7 t ADT: 35,560

CHERRY HILL ROAD

Good

Over: CSX, GWYNN'S FALLS

1.1 MI E. OF MD 140, Baltimore, MD

Built 2011 Load: 51.7 t ADT: 8,084

MD 43

Good

Over: I-95 Ramps G & H

3.2mi N of I-695/I-95, Baltimore, MD

Built 2013 Load: 51.7 t ADT: 31,500

CRELLIN UNDERWOOD

Good

Over: SNOWY CREEK

0.1 MI W INT CRELLIN ST R, Garrett, MD

Built 2009 Load: 51.7 t ADT: 700

MD 200 (ICC) EB

Good

Over: Bonifant Road & NW Branc

2.07 Mi. West of MD650, Montgomery, MD

Built 2010 Load: 51.7 t ADT: 32,786

AMMENDALE ROAD

Good

Over: INDIAN CREEK

1.0 MILE WEST OF US 1, Prince George's, MD

Built 2001 Load: 51.7 t ADT: 23,965

FENNO ROAD

Good

Over: MATAPONI CREEK

.3 MI S ST THOMAS CHUR RD, Prince George's, MD

Built 2011 Load: 51.8 t ADT: 80

SPRECHER ROAD

Good

Over: MARSH RUN

0.68 MI S OF BAKERSVILLE, Washington, MD

Built 1920 Load: 51.8 t ADT: 347

SPRECHER ROAD

Good

Over: MARSH RUN

0.07 MI S OF BAKERSVILLE, Washington, MD

Built 1986 Load: 51.8 t ADT: 380

MD 695

Good

Over: CSX RAILROAD

0.05 MI E OF US 40, Baltimore, MD

Built 1995 Load: 52.2 t ADT: 96,082

DOVER ROAD

Good

Over: CSX RAILROAD

0.1 MI E HANOVER PIKE, Baltimore, MD

Built 2007 Load: 52.2 t ADT: 985

MOUNT ZION ROAD

Good

Over: TRIBUTARY TO PINEY RUN

0.3 MI N OF DOVER ROAD, Baltimore, MD

Built 2007 Load: 52.2 t ADT: 200

KEENEY MILL ROAD

Good

Over: LITTLE FALLS

0.8 MI NE OF MIDDLETOWN R, Baltimore, MD

Built 2005 Load: 52.2 t ADT: 340

PINEY CREEK ROAD

Good

Over: ALLOWAY CREEK

.7 M N OF BOWERS ROAD, Carroll, MD

Built 1900 Load: 52.2 t ADT: 234

OLD TELEGRAPH ROAD

Good

Over: SANDY BRANCH

0.05 MI S OF MIDDLE N RD, Cecil, MD

Built 1965 Load: 52.2 t ADT: 361

CEDAR LANE

Good

Over: MIDDLE PATUXENT RIVER

.02 Mi N of MD 32, Howard, MD

Built 1994 Load: 52.2 t ADT: 17,121

I95 SB-CD

Good

Over: MD200 Ramp I-B

1.6 miles south of MD198, Prince George's, MD

Built 2011 Load: 52.2 t ADT: 9,103

NEW CUT ROAD

Good

Over: UNNAMED TRIBUTARY TO SEV

.7 MI S OF ROUTE 3, Anne Arundel, MD

Built 2020 Load: 52.5 t ADT: 13,571

MONOCACY BOULEVARD

Good

Over: US 15

1 MI N OF MD 26, Frederick, MD

Built 2018 Load: 52.5 t ADT: 5,800

WILDLIFE LOOP ROAD

Good

Over: LITTLE PATUXENT RIVER

NORTH TRACT, Anne Arundel, MD

Built 2004 Load: 52.6 t ADT: 20

MD 100 WBR

Good

Over: STONY RUN

0.5 MI W OF MD 170, Anne Arundel, MD

Built 1995 Load: 52.6 t ADT: 74,302

MEDICAL PARKWAY

Good

Over: COWHIDE BRANCH

ANNE ARUNDEL MEDICAL PARK, Anne Arundel, MD

Built 2002 Load: 52.6 t ADT: 8,484

I-95 SB

Good

Over: CAMPBELL ROAD

0.66 MI S OF MD RTE 43, Anne Arundel, MD

Built 1962 Load: 52.6 t ADT: 101,372

MAYBERRY ROAD

Good

Over: BEAR BRANCH

1.06 MILES N OF MD 140, Carroll, MD

Built 1985 Load: 52.6 t ADT: 762

PINE GROVE ROAD

Good

Over: NEALE SOUND

0.1 MI S MD RTE 254, Charles, MD

Built 1997 Load: 52.6 t ADT: 100

HARMONY CHURCH RD

Good

Over: MILL BROOK

1.4 MILES E OF MD 136, Harford, MD

Built 1933 Load: 52.6 t ADT: 133

MD 175 WBR

Good

Over: SNOWDEN RIVER PARKWAY

0.84 MILE WEST OF MD 108, Howard, MD

Built 2001 Load: 52.6 t ADT: 32,168

NORBECK RD (MD28)

Good

Over: MD 200 (ICC)

4.1 MI WEST OF MD 65, Montgomery, MD

Built 2010 Load: 52.6 t ADT: 18,475

ISLAND CREEK RD

Good

Over: ISLAND CREEK

2.5 MI FROM MD RTE 213, Queen Anne's, MD

Built 2012 Load: 52.6 t ADT: 480

CALVERT ROAD

Good

Over: NORTHEAST CREEK

1.49 MILES N OF MD 274, Cecil, MD

Built 2011 Load: 52.8 t ADT: 1,321

BOCK ROAD

Good

Over: HENSON CREEK & TRAIL

0.13 MI S OF HAVER HIL ST, Prince George's, MD

Built 2011 Load: 52.8 t ADT: 16,701

Showing 4,601-4,650 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.