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%.

Condition Distribution

Maryland32.7%62%GoodFairPoor
Bridge inventory deck-condition mix - Maryland (FHWA NBI)

Counties (24)

Allegany 245 Anne Arundel 395 Baltimore 787 Baltimore city 380 Calvert 33 Caroline 70 Carroll 205 Cecil 194 Charles 94 Dorchester 47 Frederick 491 Garrett 139 Harford 275 Howard 310 Kent 44 Montgomery 522 Prince George's 582 Queen Anne's 88 Somerset 46 St. Mary's 50 Talbot 42 Washington 301 Wicomico 100 Worcester 82

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.

OLD SELBYSPORT RD

Poor

Over: BEAR CREEK

0.01 MI N OF WALNUT ST, Garrett, MD

Built 1920 Load: 2.7 t ADT: 30

ZION ROAD

Poor

Over: HAWLINGS RIVER

2.8 MILES NORTH OF MD 108, Montgomery, MD

Built 1930 Load: 4.5 t ADT: 2,440

ROXBURY ROAD

Poor

Over: BEAVER CREEK

0.1 MI W OF ALT US RTE 40, Washington, MD

Built 1920 Load: 7.3 t ADT: 533

TUFTON AVENUE

Poor

Over: WATERSPOUT RUN

2.63 MI. WEST MD 25, Baltimore, MD

Built 1920 Load: 7.7 t ADT: 7,735

MOHRS LANE

Poor

Over: CSX RAILROAD

0.1 MI NW OF US RTE 40, Baltimore, MD

Built 1912 Load: 9.1 t ADT: 1,600

OLD MONTGOMERY RD

Poor

Over: LITTLE PATUXENT RIVER

0.5 MI W OF US RTE 29, Howard, MD

Built 1935 Load: 10.0 t ADT: 10

All Bridges in Maryland

MD 404

Good

Over: BR OF NORWICH CREEK

1.1 MI W OF MD 309, Queen Anne's, MD

Built 1949 Load: 31.7 t ADT: 19,600

MD 145

Good

Over: GREENE BRANCH

0.3 MILE E OF COOPER ROAD, Baltimore, MD

Built 1915 Load: 32.2 t ADT: 12,432

FRANKLINTOWN ROAD

Good

Over: DEAD RUN

0.8 MI W HILTON PKWY, Baltimore city, MD

Built 2004 Load: 32.2 t ADT: 1,219

GORSUCH ROAD

Good

Over: WEST BRANCH PATAPSCO RIV

0.06 MI N OF TANNERY ROAD, Carroll, MD

Built 1968 Load: 32.2 t ADT: 7,307

MD 279

Good

Over: BR OF BIG ELK CREEK

0.15 MILE NORTH OF MD 316, Cecil, MD

Built 1959 Load: 32.2 t ADT: 12,410

COPPERMINE ROAD

Good

Over: ISRAEL CREEK

0.3 MI EAST OF MD RTE 194, Frederick, MD

Built 1966 Load: 32.2 t ADT: 2,172

HESSONG BRIDGE RD

Good

Over: HUNTING CREEK

AT LAYMAN ROAD INTERSECTN, Frederick, MD

Built 1965 Load: 32.2 t ADT: 804

THOMAS RUN ROAD

Good

Over: THOMAS RUN

0.1 MILES E OF KALMIA RD, Harford, MD

Built 2008 Load: 32.2 t ADT: 1,083

BARTOW DRIVE

Good

Over: TRIBUTARY TO CONOCOCHEAG

0.17 MI NORTH OF US RT 40, Washington, MD

Built 2000 Load: 32.2 t ADT: 2,418

MASSEY CROSSING RD

Good

Over: POCOMOKE RIVER

WOR-WIC CO LINE, Worcester, MD

Built 2007 Load: 32.2 t ADT: 110

LAUREL RUN ROAD

Good

Over: LAUREL RUN

0.35 MI W OF MD RTE 935, Allegany, MD

Built 2021 Load: 32.4 t ADT: 97

BOLLINGER ROAD

Good

Over: BEAVER RUN

1.05 MI W OF MD 140, Carroll, MD

Built 2012 Load: 32.4 t ADT: 2,328

BRYAN HALL ROAD

Good

Over: MARUMSCO CREEK

1.2 MI W OF CORNSTACK RD, Somerset, MD

Built 1978 Load: 32.4 t ADT: 140

MD 349

Good

Over: WINDSOR CREEK

4.42 MILES WEST OF MD 352, Wicomico, MD

Built 2017 Load: 32.4 t ADT: 942

MD 638

Good

Over: WESTERN MD SCENIC RR

0.02 M N OF SONGBIRD LANE, Allegany, MD

Built 1995 Load: 32.7 t ADT: 1,621

LAUREL RUN ROAD

Good

Over: LAUREL RUN

0.41 MI W OF MD RTE 935, Allegany, MD

Built 2020 Load: 32.7 t ADT: 93

LAUREL RUN ROAD

Good

Over: LAUREL RUN

0.75 MI W OF MD RTE 935, Allegany, MD

Built 2020 Load: 32.7 t ADT: 98

SUGAR MAPLE ROAD

Good

Over: UNNAMED STREAM

0.04 MI N OF MD 36, Allegany, MD

Built 1950 Load: 32.7 t ADT: 337

TOWN CREEK ROAD

Good

Over: MURLEY BRANCH

0.02 MI SW OF WARM SPR RD, Allegany, MD

Built 2020 Load: 32.7 t ADT: 301

PATUXENT ROAD

Good

Over: LITTLE PATUXENT RIVER

BOUNDRY RD S OF GATE C, Anne Arundel, MD

Built 2006 Load: 32.7 t ADT: 50

MD 32

Good

Over: DORSEY RUN

0.47 MILE NORTH OF MD 295, Anne Arundel, MD

Built 1984 Load: 32.7 t ADT: 65,902

MD 100

Good

Over: PINEY RUN

0.3 MI E OF MD 295, Anne Arundel, MD

Built 1995 Load: 32.7 t ADT: 78,282

HARMANS ROAD

Good

Over: TRIBUTARY TO STONY RUN

0.35 MI N of MD 100, Anne Arundel, MD

Built 1991 Load: 32.7 t ADT: 8,906

QUARTERFIELD ROAD

Good

Over: UNNAMED TRIBUTARY TO SEV

1.58 MI S of MD174, Anne Arundel, MD

Built 2001 Load: 32.7 t ADT: 5,153

NUTWELL ROAD

Good

Over: TRACYS CREEK

1.12 MILES E OF MD 2, Anne Arundel, MD

Built 1998 Load: 32.7 t ADT: 331

OSLER DRIVE

Good

Over: TOWSON RUN

0.04 M S OF TWSNTOWN BLVD, Baltimore, MD

Built 1964 Load: 32.7 t ADT: 16,241

ROLLING ROAD

Good

Over: SCOTTS LEVEL BRANCH

0.38 MI S OF OLD COURT RD, Baltimore, MD

Built 1982 Load: 32.7 t ADT: 9,595

GILROY ROAD

Good

Over: OREGON BRANCH

0.28 MI E OF IS 83, Baltimore, MD

Built 1966 Load: 32.7 t ADT: 5,083

OWINGS MILLS BLVD

Good

Over: BRANCH OF GWYNNS FALLS

2.5 MI. NW OF JCT. SR 140, Baltimore, MD

Built 1996 Load: 32.7 t ADT: 8,600

NEW FORGE ROAD

Good

Over: TRIBUTARY TO GUNPOWDER F

0.3 MI W OF JCT SR 7, Baltimore, MD

Built 1963 Load: 32.7 t ADT: 2,500

WEST ENTRANCE

Good

Over: TRIB OF GWYNNS FALLS

MILFORD MILL METRO, Baltimore, MD

Built 1986 Load: 32.7 t ADT: 300

US 40 EDMONDSON AV

Good

Over: GWYNNS FALLS, CSX

0.2 MI E HILTON PKWY, Baltimore city, MD

Built 1907 Load: 32.7 t ADT: 3,900

NORTHERN PARKWAY

Good

Over: POWDER MILL RUN

NORTHERN PKWY/POWDER MILL, Baltimore city, MD

Built 1965 Load: 32.7 t ADT: 31,395

PULASKI HIGHWAY

Good

Over: MOORES RUN

PULASKI HY OV MOORE'S RUN, Baltimore city, MD

Built 1971 Load: 32.7 t ADT: 52,411

LANCASTER ST. AT C

Good

Over: HARFORD RUN

LANCASTER ST AT CENTRAL A, Baltimore city, MD

Built 1985 Load: 32.7 t ADT: 5,650

MD 194

Good

Over: BRANCH OF PINEY CREEK

0.27 MILE SOUTH OF MD 140, Carroll, MD

Built 1974 Load: 32.7 t ADT: 5,732

MD 194

Good

Over: BRANCH OF PINEY CREEK

0.60 MILE SOUTH OF MD 140, Carroll, MD

Built 1974 Load: 32.7 t ADT: 5,732

OLD ELK NECK ROAD

Good

Over: MILL CREEK

0.46 MI S OF US 40, Cecil, MD

Built 1980 Load: 32.7 t ADT: 4,054

BOHEMIA CHURCH ROA

Good

Over: LITTLE BOHEMIA CREEK

3.1 MI E OF MD-213, Cecil, MD

Built 2018 Load: 32.7 t ADT: 500

PERRYVILLE COMMUNI

Good

Over: MILL CREEK

.3 MILES SE OF MD 7, Cecil, MD

Built 1989 Load: 32.7 t ADT: 124

MD 6

Good

Over: GILBERT SWAMP

2.94 MI W OF ST MARY'S CO, Charles, MD

Built 1987 Load: 32.7 t ADT: 6,492

MD 6

Good

Over: BR OF PORT TOBACCO CREEK

1.9 MILES WEST OF US 301, Charles, MD

Built 1955 Load: 32.7 t ADT: 9,552

MD 6

Good

Over: HOGHOLE RUN

2.95 MILES WEST OF US 301, Charles, MD

Built 1955 Load: 32.7 t ADT: 3,302

MD 224

Good

Over: MARBURY RUN

1.66 MILE SOUTH OF MD 425, Charles, MD

Built 1957 Load: 32.7 t ADT: 5,502

MD 5

Good

Over: TRIB TO JORDAN SWAMP

0.41 M N OF BR NO 0802300, Charles, MD

Built 1988 Load: 32.7 t ADT: 32,802

MD 425

Good

Over: JANE BERRY'S RUN

1.09 MILES NORTH OF MD 6, Charles, MD

Built 1991 Load: 32.7 t ADT: 2,400

MD 488

Good

Over: PINEY BRANCH

0.92 MILE WEST OF MD 5, Charles, MD

Built 1991 Load: 32.7 t ADT: 6,540

MD 225

Good

Over: BR OF PORT TOBACCO CREEK

0.23 M E OF BIBURY LANE, Charles, MD

Built 1949 Load: 32.7 t ADT: 12,302

MD 6

Good

Over: WHEATLEY RUN

3.49 M W OF ST MARY'S CO, Charles, MD

Built 1987 Load: 32.7 t ADT: 6,492

US 40 RAMP F(2)

Good

Over: ROCK CREEK

0.80 MI W OF FREDERICK, Frederick, MD

Built 1969 Load: 32.7 t ADT: 3,593

Showing 3,951-4,000 of 5,527 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.