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

NEW CUT ROAD

Good

Over: SEVERN RUN

2.4 MILES NORTH OF MD 32, Anne Arundel, MD

Built 2001 Load: 76.2 t ADT: 10,126

MD 7

Good

Over: WHITEMARSH RUN

0.2 M E OF CAMPBELL BLVD, Baltimore, MD

Built 2002 Load: 76.2 t ADT: 16,450

IS 83

Good

Over: OREGON BRANCH

0.41 MI N OF BEAVERDAM RD, Baltimore, MD

Built 1949 Load: 76.2 t ADT: 85,051

HOLLY ROAD

Good

Over: FORGE BRANCH

0.4 MI NE OF GREENSBORO, Caroline, MD

Built 1996 Load: 76.2 t ADT: 468

OLD HAGERSTOWN RD

Good

Over: LITTLE CATOCTIN CREEK

0.25 MI N OF ALT. 40, Frederick, MD

Built 1994 Load: 76.2 t ADT: 938

FATHER HURLEY BOUL

Good

Over: CSXT RAILROAD

NORTH OF MD 118, Montgomery, MD

Built 2010 Load: 76.2 t ADT: 588

KELOX ROAD

Good

Over: TRIBUTARY TO GWYNNS FALL

0.1 MI NE of SR 26, Baltimore, MD

Built 2010 Load: 76.6 t ADT: 812

MD 140

Good

Over: PINEY CREEK

0.85 MI N OF TANEYTOWN, Carroll, MD

Built 1997 Load: 76.6 t ADT: 5,340

LARK BROWN ROAD

Good

Over: DORSEY RUN

0.04 MI W OF MD RTE 108, Howard, MD

Built 1991 Load: 76.6 t ADT: 6,274

HOMEWOOD ROAD

Good

Over: MIDDLE PATUXENT RIVER

1 MI W OF MD RTE 108, Howard, MD

Built 2000 Load: 76.6 t ADT: 5,182

GOSHEN ROAD

Good

Over: CABIN BRANCH

0.2 MI N OF CENTERWAY RD, Montgomery, MD

Built 2004 Load: 76.6 t ADT: 25,587

MD 550

Good

Over: OWENS CREEK

0.82 MILE NORTH OF US 15, Frederick, MD

Built 1996 Load: 77.1 t ADT: 7,221

NEW DESIGN ROAD

Good

Over: ARUNDEL BRANCH

.25 Mi. N. of Corporate D, Frederick, MD

Built 1998 Load: 77.1 t ADT: 17,000

ROXBURY ROAD

Good

Over: DORSEY BRANCH

0.5 MI E OF MD RTE 97, Howard, MD

Built 2002 Load: 77.1 t ADT: 1,079

US 40 SCN

Good

Over: SNIB HOLLOW RUN

0.43 M E OF BR NO 0103700, Allegany, MD

Built 2003 Load: 78.0 t ADT: 281

MD 133

Good

Over: SLAUGHTERHOUSE BRANCH

0.11 MI W OF MD 25, Baltimore, MD

Built 1990 Load: 78.0 t ADT: 6,191

LOCH RAVEN DRIVE

Good

Over: DULANEY VALLEY BRANCH

3 MI N CROMWELL BRDG RD, Baltimore city, MD

Built 2011 Load: 78.0 t ADT: 10,100

CHESTERFIELD ROAD

Good

Over: BACON RIDGE BRANCH

0.26 MI W OF HAWKINS ROAD, Anne Arundel, MD

Built 2017 Load: 78.7 t ADT: 1,276

US 50

Good

Over: YOUGHIOGHENY RIVER

0.9 MI E OF W VA ST LINE, Garrett, MD

Built 2017 Load: 78.7 t ADT: 1,250

JERUSALEM ROAD

Good

Over: LITTLE GUNPOWDER FALLS

2 MI E OF US RTE 1, Baltimore, MD

Built 1993 Load: 78.9 t ADT: 3,035

MAXWELL COURT

Good

Over: UNNAMED STREAM

0.4 Mile West of MD 1, Howard, MD

Built 1995 Load: 78.9 t ADT: 50

PYRITE LANE

Good

Over: JAMES CREEK

1.4 MILES EAST OF MD-97, Montgomery, MD

Built 2005 Load: 79.4 t ADT: 518

EASTERN BOULEVARD

Good

Over: HAMILTON RUN

0.3 MI W. OF US RTE 40, Washington, MD

Built 1995 Load: 79.4 t ADT: 7,080

CROMWELL VALLEY PA

Good

Over: MINEBANK RUN

0.2 MI N OF MD RTE 567, Baltimore, MD

Built 2006 Load: 79.8 t ADT: 332

US 15 NBR

Good

Over: FLAT RUN

0.2 MILE SOUTH OF MD 140, Frederick, MD

Built 1981 Load: 79.8 t ADT: 18,340

WATERFORD MILL ROA

Good

Over: TRIBUTARY TO COLLINGTON

1.0 MILES SOUTH OF US 50, Prince George's, MD

Built 2009 Load: 79.8 t ADT: 1,277

MD 36

Good

Over: NEFF RUN

0.05 M N OF OMARAS AVENUE, Allegany, MD

Built 1987 Load: 80.3 t ADT: 7,706

CHANDLER DRIVE

Good

Over: BEAVER RUN

87 FT SOUTH OF POOLE ROAD, Carroll, MD

Built 1998 Load: 80.3 t ADT: 825

ROCK HALL ROAD

Good

Over: WASHINGTON RUN

1200 FT. S. OF ROUTE 28, Frederick, MD

Built 1983 Load: 80.3 t ADT: 202

BEAVER DAM ROAD

Good

Over: BEAVER DAM CREEK

0.8 MI NORTH OF MD 75, Frederick, MD

Built 1982 Load: 80.3 t ADT: 53

MD 75

Good

Over: HAINES BRANCH

0.56 MI S OF CARROLL CO, Frederick, MD

Built 2015 Load: 80.4 t ADT: 1,150

MD 807

Good

Over: PEA VINE RUN

0.86 MILE SOUTH OF US 220, Allegany, MD

Built 2002 Load: 80.7 t ADT: 5,092

CATHOLIC CHURCH RD

Good

Over: BROAD RUN

0.6 MI N OF GAPLAND RD, Frederick, MD

Built 1974 Load: 80.7 t ADT: 331

DORSET AVENUE

Good

Over: WILLETT BRANCH

1 MI N OF MD RTE 190, Montgomery, MD

Built 1999 Load: 80.7 t ADT: 1,744

EMERSON BURRIER RO

Good

Over: TALBOT BRANCH

0.4 MI S OF WOODVILLE RD, Frederick, MD

Built 1982 Load: 81.2 t ADT: 175

BADEN NAYLOR ROAD

Good

Over: ROCK CREEK

1.11 MILES SW OF MD 382, Prince George's, MD

Built 2013 Load: 81.3 t ADT: 797

SANDS ROAD

Good

Over: WILSON OWENS BRANCH

1 MI N OF MD 408, Anne Arundel, MD

Built 2016 Load: 81.6 t ADT: 2,393

WELLER ROAD

Good

Over: CHURCH BRANCH

0.37 MI EAST OF MD 75, Frederick, MD

Built 1982 Load: 81.6 t ADT: 1,131

MD 470

Good

Over: TOMAKOKIN CREEK

0.88 MILE SOUTH OF MD 242, St. Mary's, MD

Built 1997 Load: 81.6 t ADT: 1,162

IS 195 SBR

Good

Over: CSX TRANSPORTATION

0.26 MILE NORTH OF US 1, Baltimore, MD

Built 1972 Load: 82.1 t ADT: 41,831

BASSFORD ROAD

Good

Over: SWANSON CREEK

EAGLE RIDGE SUBDIVISION, Charles, MD

Built 2007 Load: 82.1 t ADT: 2,180

FOREST SCHOOL ROAD

Good

Over: MIDDLE CREEK

AT BRANDENBURG HOLLOW RD, Frederick, MD

Built 1982 Load: 82.1 t ADT: 125

SPRUCE RUN ROAD

Good

Over: SPRUCE RUN

0.6 MI NORTH OF MD 17, Frederick, MD

Built 1982 Load: 82.1 t ADT: 166

MONROE ROAD

Good

Over: TRIBUTARY OF LITTLE ANTI

0.07 MI N OF MD RTE 34, Washington, MD

Built 1996 Load: 82.1 t ADT: 203

BLADES ROAD

Good

Over: HUNTING CREEK

CAROLINE - DOR. CO LINE, Caroline, MD

Built 2005 Load: 82.5 t ADT: 568

Bellows Spring Ele

Good

Over: Deep Run Creek

BELLOW SPRING ELEM SCHOOL, Howard, MD

Built 2003 Load: 82.5 t ADT: 500

BW PARKWAY (SBL)

Good

Over: MD ROUTE 410

1.1 MILES NORTH OF MD ROU, Prince George's, MD

Built 1997 Load: 82.5 t ADT: 40,000

MD 550

Good

Over: ISRAEL CREEK

0.24 MILE SOUTH OF MD 194, Frederick, MD

Built 2015 Load: 82.9 t ADT: 3,450

IS 68 WBR

Good

Over: STREET ROAD

0.92 M E OF BR NO 0114600, Allegany, MD

Built 1990 Load: 83.0 t ADT: 19,030

SKIDMORE ROAD

Good

Over: GILLIS FALLS

.2 MI N OF BRADDOCK RD, Carroll, MD

Built 1988 Load: 83.0 t ADT: 360

Showing 5,001-5,050 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.