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 100 EBR

Good

Over: AMTRAK, SERVICE ROAD

0.4 MI W OF MD 170, Anne Arundel, MD

Built 1995 Load: 45.4 t ADT: 35,421

MD 100 WBR

Good

Over: AMTRAK, SERVICE ROAD

0.4 MI W OF MD 170, Anne Arundel, MD

Built 1995 Load: 45.4 t ADT: 35,421

POT SPRING ROAD

Good

Over: KELLY BRANCH

0.2 MI N. OF GIRDWOOD RD, Baltimore, MD

Built 1980 Load: 45.4 t ADT: 11,227

I95N RAMP TO I695W

Good

Over: I-695, I-95 INTERCHANGE

I-95/I-695 Interchange, Baltimore, MD

Built 2008 Load: 45.4 t ADT: 22,062

BEL ALTON NEWTOWN

Good

Over: CLARK RUN

0.8 MI NE MUDD RD, Charles, MD

Built 1998 Load: 45.4 t ADT: 1,760

BRIAN F THOMAS DRI

Good

Over: CHERRY GLADE RUN

0.05 MILES EAST OF US 219, Garrett, MD

Built 2016 Load: 45.4 t ADT: 597

ROBINSON MILL ROAD

Good

Over: BROAD CREEK

0.5 MILES E OF MD 136, Harford, MD

Built 2020 Load: 45.4 t ADT: 73

NORTH AVENUE

Good

Over: BYNUM RUN

0.2 MILES EAST OF MD 924, Harford, MD

Built 2011 Load: 45.4 t ADT: 714

MD 200 (ICC) EB

Good

Over: Shady Grove Road

4.86 MI W. OF MD 97, Montgomery, MD

Built 2010 Load: 45.4 t ADT: 31,652

Ramp WN to US29 NB

Good

Over: MD 200 Ramp NW

0.4 mi S Briggs Chaney Rd, Montgomery, MD

Built 2011 Load: 45.4 t ADT: 309

MD 223

Good

Over: PISCATAWAY CREEK

2.40 MILES SOUTH OF MD 4, Prince George's, MD

Built 2012 Load: 45.4 t ADT: 20,322

RIVER ROAD

Good

Over: BIG ANNEMESSEX RIVER

1.5 MI N OF KINGSTON ROAD, Somerset, MD

Built 1988 Load: 45.4 t ADT: 484

MD 34

Good

Over: BR OF LITTLE ANTIETAM CK

0.94 MILE EAST OF MD 845A, Washington, MD

Built 1956 Load: 45.4 t ADT: 4,951

GEORGES CREEK ROAD

Good

Over: GEORGES RUN

1.3 MI E FALLS RD, Baltimore city, MD

Built 2011 Load: 45.7 t ADT: 180

BLAKE RD

Good

Over: LITTLE ELK CREEK

0.46 MI E OF LI ELK CK RD, Cecil, MD

Built 2010 Load: 45.7 t ADT: 417

DICUS MILL ROAD

Good

Over: SEVERN RUN

1.3 M E OF GAMBRILLS RD, Anne Arundel, MD

Built 2012 Load: 45.8 t ADT: 1,301

DORSEY ROAD

Good

Over: PINEY RUN

0.3 MI E OF MD ROUTE 295, Anne Arundel, MD

Built 2006 Load: 45.8 t ADT: 1,418

DAYSVILLE ROAD

Good

Over: CABBAGE RUN

0.8 MI EAST OF MD 194, Frederick, MD

Built 1975 Load: 45.8 t ADT: 1,619

MD 159

Good

Over: CRANBERRY RUN

0.22 MILE SOUTH OF US 40, Harford, MD

Built 2008 Load: 45.8 t ADT: 4,980

HOLLY OAK CIRCLE

Good

Over: GRAYS RUN

0.1 MILES N OF MD 7, Harford, MD

Built 1999 Load: 45.8 t ADT: 173

MD 100

Good

Over: SNOWDEN RIVER PARKWAY

0.86 MILE WEST OF MD 103, Howard, MD

Built 1998 Load: 45.8 t ADT: 82,092

MD 100

Good

Over: SNOWDEN RIVER PARKWAY

0.86 MILE WEST OF MD 103, Howard, MD

Built 1997 Load: 45.8 t ADT: 82,092

ROGERS AVENUE

Good

Over: SUCKER BRANCH

0.4 MI N OF US RTE 40, Howard, MD

Built 1988 Load: 45.8 t ADT: 9,270

MD 119

Good

Over: GUNNERS BR,CSXT RR

.5 MI S OF MIDDLEBROOK RD, Montgomery, MD

Built 1987 Load: 45.8 t ADT: 6,955

WAYNE AVENUE

Good

Over: SLIGO CREEK

AT MANCHESTER AVENUE, Montgomery, MD

Built 1960 Load: 45.8 t ADT: 19,450

PARKWOOD STREET

Good

Over: TRIBUTARY TO BEAVERDAM C

0.02 MI E OF GRAMBY ST, Prince George's, MD

Built 1995 Load: 45.8 t ADT: 2,024

54TH PLACE

Good

Over: STREAM

50 FT S. OF SPRING ST., Prince George's, MD

Built 1958 Load: 45.8 t ADT: 332

MD 355

Good

Over: CSX TRANS.

2.11 MILES SOUTH OF MD 85, Frederick, MD

Built 2020 Load: 46.0 t ADT: 13,000

MD 63

Good

Over: ST JAMES RUN

AT N/S RAILROAD, Washington, MD

Built 2017 Load: 46.0 t ADT: 650

CEDAR KNOLL LANE

Good

Over: ELK LICK RUN

100 FEET SOUTH OF MD 144, Allegany, MD

Built 1966 Load: 46.3 t ADT: 50

CHRISTIE ROAD

Good

Over: EVITTS CREEK

1.04 MILES S OF MD 144AN, Allegany, MD

Built 1975 Load: 46.3 t ADT: 1,464

MARLYN AVENUE

Good

Over: DEEP CREEK

1.1 MI SE OF EASTERN BLVD, Baltimore, MD

Built 2008 Load: 46.3 t ADT: 10,248

WEST OSTEND STREET

Good

Over: MARC, CSX

0.15 MI. NW. OF WASH. BLV, Baltimore city, MD

Built 1993 Load: 46.3 t ADT: 8,239

HOFFMAN MILL ROAD

Good

Over: TRIBUTARY EAST OF BRANCH

.91 MI W - HOUCKSVILLE RD, Carroll, MD

Built 1974 Load: 46.3 t ADT: 750

MD 4 EBR

Good

Over: PATUXENT RIVER

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

Built 1959 Load: 46.3 t ADT: 57,061

IS 70 WB

Good

Over: CSX TRANS.

0.18 MILE EAST OF MD 65, Washington, MD

Built 1968 Load: 46.3 t ADT: 60,800

US 13 SB

Good

Over: NORFOLK SOUTHERN RR

0.39 MILE NORTH OF MD 346, Wicomico, MD

Built 1972 Load: 46.3 t ADT: 36,390

MASON ROAD

Good

Over: PEA VINE RUN

0.06 MI N OF ZEMBOWER RD, Allegany, MD

Built 2004 Load: 46.7 t ADT: 1,275

IS 795 RAMP 'E'

Good

Over: GWYNNS FALLS

0.15 MI N OF IS 695, Baltimore, MD

Built 1984 Load: 46.7 t ADT: 32,012

GARLAND ROAD

Good

Over: GARLAND LAKE

0.5 MILES NORTH OF MD 317, Caroline, MD

Built 2017 Load: 46.7 t ADT: 1,452

FORD ROAD

Good

Over: CLIFFORD BRANCH

0.6 MI W OPPOSSUMTOWN PIK, Frederick, MD

Built 1980 Load: 46.7 t ADT: 414

FISH HATCHERY ROAD

Good

Over: BEAR CREEK

0.1 MI W OF PUD MILLER RD, Garrett, MD

Built 2007 Load: 46.7 t ADT: 65

BROKEN LAND PKWY

Good

Over: LITTLE PATUXENT RIVER

0.125 MI S OF MD RTE 32, Howard, MD

Built 1986 Load: 46.7 t ADT: 21,288

WATTS BRANCH PARKW

Good

Over: WATTS BRANCH

0.2 MI S OF HURLEY AVE, Montgomery, MD

Built 1970 Load: 46.7 t ADT: 3,704

MD 140

Good

Over: FLAT RUN

0.4 MI E OF EMMITSBURG, Frederick, MD

Built 2019 Load: 47.0 t ADT: 9,011

MONROE ST RAMP EB

Good

Over: SERVICE ROAD

1.0 MI S OF RTE 1, Baltimore city, MD

Built 2006 Load: 47.2 t ADT: 15,441

BUCK LANTZ ROAD

Good

Over: OWENS CREEK

AT FOXVLLE DEERFLD RD INT, Frederick, MD

Built 1982 Load: 47.2 t ADT: 141

RAVEN ROCK PARK RD

Good

Over: OWENS CREEK

AT FOXVLLE DEERFLD RD INT, Frederick, MD

Built 1981 Load: 47.2 t ADT: 57

FISHERS HOLLOW RD

Good

Over: LITTLE CATOCTIN CREEK

AT HARMONY RD INT, Frederick, MD

Built 1983 Load: 47.2 t ADT: 337

FISH HATCHERY ROAD

Good

Over: BEAR CREEK

0.06 MI S RABBIT HOLLOW, Garrett, MD

Built 2006 Load: 47.2 t ADT: 65

Showing 4,451-4,500 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.