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

MD200 (ICC) WB

Good

Over: NORTH BRANCH ROCK CREEK

1.51 MI W OF MD 97, Montgomery, MD

Built 2010 Load: 44.0 t ADT: 30,827

MD 97 SB

Good

Over: MD 200 (ICC)

0.59 MI NORTH OF MD 28, Montgomery, MD

Built 2010 Load: 44.0 t ADT: 27,660

MD 200 (ICC) WB

Good

Over: Ramp NW

0.4 mi W of Briggs Chaney, Montgomery, MD

Built 2011 Load: 44.0 t ADT: 21,574

RAMP WS

Good

Over: MD 200/US29, Ramp EB

1 Mi. E of Old Columbia, Montgomery, MD

Built 2011 Load: 44.0 t ADT: 2,397

US 13 NB

Good

Over: LEONARD MILL POND

0.4 MILE SOUTH OF MD 675B, Wicomico, MD

Built 2004 Load: 44.0 t ADT: 38,793

KNIGHTS CORNER ROA

Good

Over: LONG BRANCH

0.87 MI NW OF MD 285, Cecil, MD

Built 2011 Load: 44.1 t ADT: 759

BOHEMIA CHURCH ROA

Good

Over: LITTLE BOHEMIA CREEK

Bohemia Church Road, Cecil, MD

Built 2012 Load: 44.1 t ADT: 580

SNOUFFER SCHOOL RO

Good

Over: CABIN BRANCH

1.3 MI N OF MD124, Montgomery, MD

Built 2020 Load: 44.1 t ADT: 18,315

IS 70 EB

Good

Over: CRYSTAL FALLS DRIVE

1.98 MILES WEST OF MD 66, Washington, MD

Built 2024 Load: 44.1 t ADT: 70,975

MD 10 NBR

Good

Over: JUMPERS HOLE ROAD

0.05 MI S OF MD 100, Anne Arundel, MD

Built 1988 Load: 44.4 t ADT: 33,320

HARMANS ROAD

Good

Over: STONY RUN

0.36 MI. E. OF SEVERN RD, Anne Arundel, MD

Built 2016 Load: 44.4 t ADT: 6,736

GUNPOWDER ROAD

Good

Over: GEORGES RUN

0.1 MI W OF FALLS RD, Baltimore, MD

Built 2010 Load: 44.4 t ADT: 1,000

I-395 RAMP E

Good

Over: MIDDLE BRANCH

Milepost 0.2, Baltimore city, MD

Built 1979 Load: 44.4 t ADT: 15,641

STONE ROAD

Good

Over: SILVER RUN

0.03 MI NW OF MAYBERRY RD, Carroll, MD

Built 1979 Load: 44.4 t ADT: 626

GOOD INTENT ROAD

Good

Over: LITTLE PIPE CREEK

ON FREDERICK CO LINE, Carroll, MD

Built 1977 Load: 44.4 t ADT: 748

POPES CREEK ROAD

Good

Over: POPES CREEK

2 MI W US RTE 301, Charles, MD

Built 1997 Load: 44.4 t ADT: 500

BRIDGEPORT ROAD

Good

Over: CATTAIL BRANCH

0.5 MI SW OF MD 140, Frederick, MD

Built 1978 Load: 44.4 t ADT: 73

MOSER ROAD

Good

Over: HUNTING CREEK

0.5 MI SE OF FREDERICK RD, Frederick, MD

Built 1975 Load: 44.4 t ADT: 1,372

ACCESS ROAD

Good

Over: HUDSON BRANCH

FREDERICK RD & ROGERS AVE, Howard, MD

Built 2003 Load: 44.4 t ADT: 10

IS 370 WBR

Good

Over: CRABBS BRANCH WAY

5.84 MILE WEST OF MD 97, Montgomery, MD

Built 2010 Load: 44.4 t ADT: 78,741

BRINK ROAD

Good

Over: TRIB TO GOSHEN BRANCH

1.0 MILES WEST OF MD 124, Montgomery, MD

Built 2007 Load: 44.4 t ADT: 11,066

LAYHILL RD (MD182)

Good

Over: MD 200 (ICC)

2.79 MI WEST OF MD650, Montgomery, MD

Built 2010 Load: 44.4 t ADT: 14,607

MD 200 (ICC) EB

Good

Over: NORTHWEST BRANCH

2.54 MI WEST OF MD650, Montgomery, MD

Built 2010 Load: 44.4 t ADT: 32,786

MD 200 (ICC) WB

Good

Over: Northwest Branch

2.54 Mi West of MD650, Montgomery, MD

Built 2010 Load: 44.4 t ADT: 32,683

MD 3 NB

Good

Over: PATUXENT RIVER

ON ANNE ARUNDEL CO LINE, Prince George's, MD

Built 1957 Load: 44.4 t ADT: 75,720

MD 3 SB

Good

Over: PATUXENT RIVER

ON ANNE ARUNDEL CO LINE, Prince George's, MD

Built 1957 Load: 44.4 t ADT: 75,720

IS 95

Good

Over: SUITLAND PARKWAY (GV 119

0.79 MI. S. OF MD 4, Prince George's, MD

Built 2022 Load: 44.4 t ADT: 193,825

MATTAPONI ROAD

Good

Over: TRIB TO MATTAPONI CREEK

0.64 MI NORTH OF MD 382, Prince George's, MD

Built 2009 Load: 44.4 t ADT: 133

WEST PROSPECT BAY

Good

Over: UNNAMED POND

0.75 MI FROM PERRY CORNER, Queen Anne's, MD

Built 1973 Load: 44.4 t ADT: 1,606

WEST PROSPECT BAY

Good

Over: UNNAMED POND

0.75 MI FROM PERRY CORNER, Queen Anne's, MD

Built 1973 Load: 44.4 t ADT: 1,606

MECHANICSVILLE RD

Good

Over: CHAPTICO CREEK

0.7 MI N OF MD RTE 234, St. Mary's, MD

Built 2011 Load: 44.4 t ADT: 2,876

MILLERS CHURCH RD

Good

Over: ANTIETAM CREEK

0.06 MI W OF MD RTE 60, Washington, MD

Built 1984 Load: 44.4 t ADT: 193

MD 354

Good

Over: ADKINS MILL POND

0.23 MI N OF MD 350, Wicomico, MD

Built 2002 Load: 44.4 t ADT: 1,842

MD 140

Good

Over: N BRANCH OF PATAPSCO RIV

ON CARROLL CO LINE, Baltimore, MD

Built 1946 Load: 44.7 t ADT: 60,433

LITTLE EGYPT RD

Good

Over: CHRISTINA RIVER

0.34 MI N OF MD 273, Cecil, MD

Built 1967 Load: 44.7 t ADT: 2,375

FURNACE ROAD

Good

Over: WEST BRANCH/WINTERS RUN

0.6 MILES E OF MD 152, Harford, MD

Built 1996 Load: 44.7 t ADT: 1,550

GOVERNOR BRIDGE RO

Good

Over: GREEN BRANCH

1.8 MI WEST OF MD 424, Anne Arundel, MD

Built 2003 Load: 44.9 t ADT: 509

GUNPOWDER ROAD

Good

Over: GRAVES RUN

0.8 MI N BECKLEYSVILLE RD, Baltimore city, MD

Built 1990 Load: 44.9 t ADT: 153

SAINT CHARLES PKWY

Good

Over: KERRICK SWAMP

2.1 MI S OF BILLINGSLEY, Charles, MD

Built 2008 Load: 44.9 t ADT: 1,269

KNOLLS PARKWAY

Good

Over: PLEASANT BRANCH

AT MD RT. 75 INTERSECTION, Frederick, MD

Built 1992 Load: 44.9 t ADT: 1,000

DOLLYHYDE ROAD

Good

Over: DOLLYHYDE CREEK

1.0 MI SOUTH OF MD RTE 26, Frederick, MD

Built 1982 Load: 44.9 t ADT: 186

EYLERS VALLEY ROAD

Good

Over: TRIB. OF OWENS CREEK

0.1 MI NE OF MD RTE 550, Frederick, MD

Built 1983 Load: 44.9 t ADT: 295

MD 24

Good

Over: CSX RAILROAD

0.3 MILE SOUTH OF MD 7, Harford, MD

Built 1995 Load: 44.9 t ADT: 20,242

IS 370 EBR

Good

Over: CRABBS BRANCH WAY

5.84 MILE WEST OF MD 355, Montgomery, MD

Built 2010 Load: 44.9 t ADT: 78,741

MD 195

Good

Over: LONG BRANCH

AT LONG BRANCH PARKWAY, Montgomery, MD

Built 2005 Load: 44.9 t ADT: 13,190

MD 200 EB

Good

Over: Little Paint Branch

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

Built 2011 Load: 44.9 t ADT: 26,084

MD 36

Good

Over: KOONTZ RUN

0.05 MILE NORTH OF MD 657, Allegany, MD

Built 2011 Load: 45.0 t ADT: 8,275

MD 54

Good

Over: MOCKINGBIRD CREEK

2.3 MI E OF US 50, Wicomico, MD

Built 2016 Load: 45.0 t ADT: 2,575

IS 68 RAMP FT-2

Good

Over: FIFTEENMILE CREEK

RP 2 IS 68 WB TO US 40SC, Allegany, MD

Built 1990 Load: 45.4 t ADT: 9,992

CHURCH STREET

Good

Over: GEORGES CREEK

0.06 MI W OF MD 936, Allegany, MD

Built 2000 Load: 45.4 t ADT: 461

Showing 4,401-4,450 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.