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

MD 221A NE RAMP 2

Good

Over: TRIB TO SOUTHWEST BRANCH

0.07 MILE SOUTH OF IS 95, Prince George's, MD

Built 2004 Load: 83.0 t ADT: 8,391

COMMO ROAD

Good

Over: PISCATAWAY CREEK

.74 MI E FRANK TIPPETT RD, Prince George's, MD

Built 1935 Load: 83.3 t ADT: 2,920

CHILLUM ROAD

Good

Over: TRIBUTARY TO NORTHWEST B

0.35 MI S OF MD 500, Prince George's, MD

Built 2020 Load: 83.9 t ADT: 8,951

GARIS SHOP ROAD

Good

Over: ANTIETAM CREEK

0.64 M SW OF ALT US RT 40, Washington, MD

Built 1839 Load: 84.4 t ADT: 1,698

MD 7

Good

Over: WINTERS RUN

0.33 M S OF EDGEWOOD ROAD, Harford, MD

Built 1991 Load: 84.8 t ADT: 7,300

MASON ROAD

Good

Over: ROCKY GAP RUN

0.23 MI S OF ROCKY GAP RD, Allegany, MD

Built 2017 Load: 84.9 t ADT: 205

EAST OAK RIDGE DRI

Good

Over: ANTIETAM CREEK

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

Built 1833 Load: 85.1 t ADT: 12,292

MOLASSES ROAD

Good

Over: BEAVER DAM CREEK

AT DOTTERER RD INTERSECTN, Frederick, MD

Built 1982 Load: 85.3 t ADT: 141

FOX RUN DRIVE

Good

Over: TRIB TO PISCATAWAY CREEK

0.2 MI N OF SURRATTS ROAD, Prince George's, MD

Built 1988 Load: 85.3 t ADT: 3,885

BILLINGSLEY RD EBR

Good

Over: PINEY BRANCH

2.5 MI E OF ST CHAR. PKWY, Charles, MD

Built 1994 Load: 85.7 t ADT: 7,023

MT HOREB ROAD

Good

Over: LITTLE DEER CREEK

1.2 MILES NW OF MD 165, Harford, MD

Built 1955 Load: 85.7 t ADT: 751

MONTROSE ROAD

Good

Over: OLD FARM CREEK

0.5 MI. W. OF JEFFERSON, Montgomery, MD

Built 2008 Load: 85.7 t ADT: 66,690

HONEYLOCUST DRIVE

Good

Over: TOWSERS BRANCH

0.25 MI W OF MD 3, Anne Arundel, MD

Built 2018 Load: 85.9 t ADT: 1,128

IS 68 RAMP 6

Good

Over: PRATT HOLLOW

RP FR I 68 EB TO US 40SC, Allegany, MD

Built 1990 Load: 86.2 t ADT: 9,992

SECOND LEVEL ENTRA

Good

Over: HOURLY PARKING GARAGE

BWI HOURLY PARK GARAGE, Anne Arundel, MD

Built 1991 Load: 86.2 t ADT: 1,105

MD 222

Good

Over: ROCK RUN

0.84 MILE NORTH OF MD 276, Cecil, MD

Built 2016 Load: 86.2 t ADT: 2,700

HARMONY ROAD

Good

Over: LITTLE CATOCTIN CREEK

0.25 MI SOUTH OF US 40, Frederick, MD

Built 1999 Load: 86.2 t ADT: 1,296

CAP STINE ROAD

Good

Over: RENN BRANCH

0.7 MI SE OF US RTE 340, Frederick, MD

Built 1985 Load: 86.2 t ADT: 1,359

CLOPPER ROAD

Good

Over: ANTIETAM CREEK

0.95 MI S OF MD RTE 60, Washington, MD

Built 2005 Load: 86.2 t ADT: 229

MD 10 SBR

Good

Over: MARLEY CREEK

0.45 MI S OF MD 648E, Anne Arundel, MD

Built 1988 Load: 86.6 t ADT: 43,170

BUCHER JOHN ROAD

Good

Over: LITTLE PIPE CREEK

0.02 MI W OF UNION BRIDGE, Carroll, MD

Built 1960 Load: 86.6 t ADT: 1,159

THEODORE ROAD

Good

Over: PRINCIPIO CREEK

0.65 MI E OF BELVIDERE RD, Cecil, MD

Built 2006 Load: 87.1 t ADT: 2,708

HOFFMAN SEACHRIST

Good

Over: CABBAGE RUN

100' N OF BENNIE DUNCAN R, Frederick, MD

Built 1985 Load: 87.5 t ADT: 202

MD 24

Good

Over: MD 924

0.53 MI NORTH OF I-95, Harford, MD

Built 2011 Load: 87.5 t ADT: 72,060

SHEPPARD LANE

Good

Over: MIDDLE PATUXENT RIVER

0.6 MI N OF MD RTE 108, Howard, MD

Built 1997 Load: 87.5 t ADT: 3,027

HARWOOD ROAD

Good

Over: STOCKETTS RUN

2.0 MI WEST OF MD ROUTE 2, Anne Arundel, MD

Built 2023 Load: 87.8 t ADT: 708

IS 68 RAMP 5

Good

Over: PRATT HOLLOW

RP FR US 40SC TO I 68 EB, Allegany, MD

Built 1990 Load: 88.0 t ADT: 9,992

ST. MARKS ROAD

Good

Over: TRIB. OF BROAD RUN

1.0 MI S OF MD RTE 383, Frederick, MD

Built 1982 Load: 88.4 t ADT: 196

MD 6

Good

Over: PERSIMMON CREEK

2.44 MILES W OF MD 235, St. Mary's, MD

Built 2021 Load: 88.5 t ADT: 4,200

IS 70 EB

Good

Over: BLACK ROCK RD

0.78 MILE EAST OF MD 66, Washington, MD

Built 2009 Load: 89.1 t ADT: 58,600

IS 70 WB

Good

Over: BLACK ROCK RD

0.78 MILE EAST OF MD 66, Washington, MD

Built 2009 Load: 89.1 t ADT: 58,600

I-395 RAMP EE

Good

Over: STADIUM LOT

Milepost M3.4, Baltimore city, MD

Built 1980 Load: 89.3 t ADT: 2,256

STINNETT ROAD

Good

Over: PLUM POINT CREEK

1.3 MI SOUTH OF MD 263, Calvert, MD

Built 1995 Load: 89.3 t ADT: 1,360

US 50 EB

Good

Over: WICOMICO RIVER

0.591 M E OF JERSEY ROAD, Wicomico, MD

Built 2001 Load: 89.3 t ADT: 18,971

BALLENGER CREEK PI

Good

Over: DOUBS BRANCH

0.1 MI SW OF DOUBS ROAD, Frederick, MD

Built 1975 Load: 89.8 t ADT: 1,065

STONEYBROOK DRIVE

Good

Over: CSXT RAILROAD

0.1 MILE WEST OF MD 192, Montgomery, MD

Built 2001 Load: 89.8 t ADT: 6,654

MD 200

Good

Over: Edmonston Creek

MD 200 0.7 mi E of I-95, Prince George's, MD

Built 2010 Load: 89.8 t ADT: 5,950

BEAR CREEK DRIVE

Good

Over: BEAR CABIN BRANCH

0.2 MI N OF BERNADETTE DR, Harford, MD

Built 1980 Load: 90.2 t ADT: 1,111

MD 382

Good

Over: CHARLES BRANCH

1.26 MILES S OF US 301, Prince George's, MD

Built 2024 Load: 90.4 t ADT: 6,700

MD 36

Good

Over: TRIB TO JENNINGS RUN

1.87 MI N OF MD 638, Allegany, MD

Built 2020 Load: 90.7 t ADT: 2,724

MD 364

Good

Over: DIVIDING CREEK

ON WORCESTER CO LINE, Somerset, MD

Built 2019 Load: 92.3 t ADT: 975

MD 32 Northbound

Good

Over: Terrapin Branch

0.82 MI. SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Southbound

Good

Over: Terrapin Branch

0.82 MI. SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Northbound

Good

Over: Middle Patuxent River

1.18 MILE SOUTH OF MD 144, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

MD 32 Southbound

Good

Over: Middle Patuxent River

1.18 MILE SOUTH OF MD144A, Howard, MD

Built 2020 Load: 93.0 t ADT: 29,475

NELSON ROAD

Good

Over: CAREYTOWN BRANCH

0.15 MI S OF SWAMP ROAD, Worcester, MD

Built 2015 Load: 94.0 t ADT: 59

US 219

Good

Over: CHERRY CREEK

2.7 MILES S OF MD 826D, Garrett, MD

Built 2014 Load: 95.3 t ADT: 2,390

OLD LEGISLATIVE RD

Good

Over: WINEBRENNER RUN

0.14 MI S OF SHAFT-MIS RD, Allegany, MD

Built 2020 Load: 96.9 t ADT: 937

WATERVALE ROAD

Good

Over: WINTERS RUN

1.7 MILES N OF MD 152, Harford, MD

Built 2016 Load: 96.9 t ADT: 2,479

TIVOLI LAKE BOULEV

Good

Over: BEL PRE CREEK

1.7 MILE EAST OF MD 97, Montgomery, MD

Built 2017 Load: 96.9 t ADT: 310

Showing 5,051-5,100 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.