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

NEAL ROAD

Good

Over: BIG BRANCH

0.3 MILE E OF ST PAULS RD, Harford, MD

Built 1950 Load: 47.2 t ADT: 60

MD 200 (ICC) WB

Good

Over: Bonifant Road & NW Branc

2.07 Mi West of MD 650, Montgomery, MD

Built 2010 Load: 47.2 t ADT: 32,683

MD 193 EB

Good

Over: AMTRAK

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

Built 1986 Load: 47.2 t ADT: 17,728

IS 70 EB

Good

Over: LITTLE CONOCOCHEAGUE CRE

1.34 MILES EAST OF MD 68, Washington, MD

Built 1965 Load: 47.2 t ADT: 40,770

OTHELLO REGIONAL P

Good

Over: LOCAL STREAM

SOUTH OF MD 180, Frederick, MD

Built 2020 Load: 47.3 t ADT: 200

MD 36

Good

Over: ELKLICK RUN

0.73 M S OF BR NO 0112700, Allegany, MD

Built 2007 Load: 47.6 t ADT: 7,706

MD 36

Good

Over: GEORGES CREEK

0.10 MILE SOUTH OF MD 937, Allegany, MD

Built 1975 Load: 47.6 t ADT: 4,720

IS 695

Good

Over: INGLESIDE AVENUE

0.49 MILE SOUTH OF US 40, Baltimore, MD

Built 2021 Load: 47.6 t ADT: 180,306

MD 286

Good

Over: BACK CREEK

0.3 M E OF FERRY SLIP RD, Cecil, MD

Built 2003 Load: 47.6 t ADT: 2,311

MD 17

Good

Over: MIDDLE CREEK

0.9 MILE NORTH OF US 40, Frederick, MD

Built 2005 Load: 47.6 t ADT: 1,951

WHEEL ROAD

Good

Over: BYNUM RUN

1.2 MILES NE OF MD 924, Harford, MD

Built 1996 Load: 47.6 t ADT: 6,075

MACTON ROAD

Good

Over: BROAD CREEK

1.4 MILES SW OF MD 136, Harford, MD

Built 1955 Load: 47.6 t ADT: 162

Kerby Hill Rd.

Good

Over: MD 210 Service Rd.

1.5 MILE SOUTH OF I-495, Howard, MD

Built 2021 Load: 47.6 t ADT: 6,525

IS 270Y HOV RAMP

Good

Over: IS 270Y MEDIAN

AT WESTLAKE TERRACE, Montgomery, MD

Built 2003 Load: 47.6 t ADT: 114,000

MONTROSE PARKWAY

Good

Over: OLD FARM CREEK

1.0 MILE EAST OF I-270, Montgomery, MD

Built 2007 Load: 47.6 t ADT: 28,776

PRESERVE PARKWAY

Good

Over: TRIBUTARY TO CABIN JOHN

0.1M S OF WOOTTON PKWY, Montgomery, MD

Built 1999 Load: 47.6 t ADT: 2,840

Old Gunpowder Road

Good

Over: MD 200 (ICC)

0.8 MI W of I-95, Prince George's, MD

Built 2011 Load: 47.6 t ADT: 12,568

MD 64

Good

Over: CSX TRANSPORTATION

0.06 MILE EAST OF MD 491, Washington, MD

Built 2000 Load: 47.6 t ADT: 6,732

WHITE ROCK ROAD

Good

Over: PINEY RUN

1.07 MILES S OF MD 26, Carroll, MD

Built 2017 Load: 48.0 t ADT: 4,226

MD 97 (GEORGIA AV)

Good

Over: RANDOLPH ROAD

1.4 MI E OF MD 185, Montgomery, MD

Built 2018 Load: 48.0 t ADT: 46,114

ELVATON ROAD

Good

Over: MARLEY CREEK

.56 MI. S. OF HOSPITAL DR, Anne Arundel, MD

Built 1985 Load: 48.1 t ADT: 4,813

MOUNT VISTA ROAD

Good

Over: SWEATHOUSE BRANCH

0.60 MI E OF MD 147, Baltimore, MD

Built 2008 Load: 48.1 t ADT: 2,290

MASON BRANCH ROAD

Good

Over: MASON BRANCH

ON QUEEN ANNES CO LINE, Caroline, MD

Built 1910 Load: 48.1 t ADT: 1,277

GALLAHER ROAD

Good

Over: GRAMIES RUN

0.27 MI N OF RUSSELL RD, Cecil, MD

Built 2004 Load: 48.1 t ADT: 743

MD 17

Good

Over: MIDDLE CREEK

AT MIDDLE POINT ROAD, Frederick, MD

Built 2005 Load: 48.1 t ADT: 1,951

BALLENGER CREEK PI

Good

Over: BR OF TUSCARORA CREEK

SOUTH OF CAP STINE RD INT, Frederick, MD

Built 2009 Load: 48.1 t ADT: 1,797

LENHART ROAD

Good

Over: FISHING CREEK

0.25 M N DEVILBLISS BR RD, Frederick, MD

Built 1980 Load: 48.1 t ADT: 213

REDLAND ROAD

Good

Over: MD 200 (ICC)

4.38 MI W OF MD 97, Montgomery, MD

Built 2009 Load: 48.1 t ADT: 12,649

MD 200 (ICC) EB

Good

Over: Northwest Branch

1.40 Mi West of MD 650, Montgomery, MD

Built 2010 Load: 48.1 t ADT: 32,786

MILLS ROAD

Good

Over: SHARMANS BRANCH

0.6 MI S OF BURNSIDE DR, Washington, MD

Built 2009 Load: 48.1 t ADT: 965

US 13 SB

Good

Over: POCOMOKE RIVER

ON SOMERSET CO LINE, Worcester, MD

Built 1966 Load: 48.1 t ADT: 15,550

MD 234

Good

Over: GILBERT SWAMP RUN

0.14 M W OF ST CLAIR ROAD, Charles, MD

Built 2018 Load: 48.3 t ADT: 6,000

MD 194

Good

Over: LITTLE PIPE CREEK

ON CARROLL CO LINE, Frederick, MD

Built 1953 Load: 48.3 t ADT: 4,425

MOUNT ZION ROAD

Good

Over: PINEY RUN

1.4 MI W OF MD 88, Baltimore, MD

Built 2011 Load: 48.5 t ADT: 221

DUNK FREELAND ROAD

Good

Over: LITTLE DEER CREEK

0.03 MI S OF HARRIS M RD, Baltimore, MD

Built 2007 Load: 48.5 t ADT: 100

RUSSELL ST. SB RAM

Good

Over: WALKWAY

UNDER IS 95, Baltimore city, MD

Built 2006 Load: 48.5 t ADT: 13,500

RIVER BRIDGE ROAD

Good

Over: TIDY ISLAND CREEK

0.24 MI SW OF DE LINE, Caroline, MD

Built 2007 Load: 48.5 t ADT: 213

RICHARDSON ROAD

Good

Over: BEAR BRANCH

1.37 MILES N OF MD 140, Carroll, MD

Built 1991 Load: 48.5 t ADT: 312

IS 70 EBR

Good

Over: MONOCACY RIVER

0.22 M S OF BR NO 1018400, Frederick, MD

Built 1985 Load: 48.5 t ADT: 72,900

IS 70 WBR

Good

Over: MONOCACY RIVER

0.22 M S OF BR NO 1018400, Frederick, MD

Built 1985 Load: 48.5 t ADT: 72,900

MOORES MILL ROAD

Good

Over: BYNUM RUN

0.3 MILES NW OF MD 22, Harford, MD

Built 2005 Load: 48.5 t ADT: 9,615

CROSS ROAD TRAIL

Good

Over: MATAPONI CREEK

0.79 M N OF NORTH KEY RD, Prince George's, MD

Built 2000 Load: 48.5 t ADT: 900

LYTTONSVILLE PLACE

Good

Over: PURPLE LINE

1 MILES NORTH OF MD 410, Montgomery, MD

Built 2019 Load: 48.6 t ADT: 10,523

MD 404

Good

Over: BRANCH OF MILL CREEK

0.2 M W OF DULIN ROAD, Talbot, MD

Built 2017 Load: 48.6 t ADT: 16,500

ISLAND STREET

Good

Over: JACKSON RUN

0.03 MI W OF RAILROAD AVE, Allegany, MD

Built 1940 Load: 49.0 t ADT: 337

BROCK BRIDGE ROAD

Good

Over: DORSEY RUN

1.2 MILES WEST OF MD 175, Anne Arundel, MD

Built 1991 Load: 49.0 t ADT: 3,203

MD 43

Good

Over: AMTRAK

0.156 MILE WEST OF MD 150, Baltimore, MD

Built 2006 Load: 49.0 t ADT: 13,012

MD 213

Good

Over: AMTRAK

0.13 MILE SOUTH OF MD 545, Cecil, MD

Built 1989 Load: 49.0 t ADT: 21,818

COSNER ROAD

Good

Over: EAST BRANCH/WINTERS RUN

0.3 MI E OF PHILLIPS M RD, Harford, MD

Built 1991 Load: 49.0 t ADT: 81

SOUTH TOLLGATE ROA

Good

Over: PLUMTREE RUN

0.38 MI. N. PLUMTREE RD., Harford, MD

Built 2019 Load: 49.0 t ADT: 225

Showing 4,501-4,550 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.