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 267

Fair

Over: RED RUM RUN

0.19 M W OF MARKET STREET, Cecil, MD

Built 1915 Load: 56.7 t ADT: 1,680

MD 806A

Fair

Over: HIGH RUN

0.41 MILE NORTH OF US 15G, Frederick, MD

Built 1950 Load: 56.7 t ADT: 1,072

STOTTLEMYER ROAD

Fair

Over: MIDDLE CREEK

0.1 MI NE OF MD 17, Frederick, MD

Built 1977 Load: 56.7 t ADT: 1,456

BRIGHTON DAM ROAD

Fair

Over: REDDY BRANCH

0.9 MI E OF JCT SR 97, Montgomery, MD

Built 1910 Load: 56.7 t ADT: 743

IS 70 EB

Fair

Over: CSX TRANS.

0.53 MILE WEST OF IS 81, Washington, MD

Built 1965 Load: 56.7 t ADT: 22,150

IS 70 WB

Fair

Over: CSX TRANS.

0.53 MILE WEST OF IS 81, Washington, MD

Built 1965 Load: 56.7 t ADT: 23,600

MD 47

Fair

Over: BRANCH OF NORTH BRANCH

0.09 MI S OF PA LINE, Allegany, MD

Built 1923 Load: 57.1 t ADT: 2,042

MD 648E

Fair

Over: PATAPSCO RIVER

ON BALTIMORE COUNTY LINE, Anne Arundel, MD

Built 1992 Load: 57.1 t ADT: 12,630

MD 41

Fair

Over: TRIB TO HERRING RUN

0.14 M N OF BALTO CITY, Baltimore, MD

Built 1963 Load: 57.1 t ADT: 29,990

IS 95 SBR

Fair

Over: PROPOSED LANSDOWNE ROAD

0.31 MI S OF BALT CITY, Baltimore, MD

Built 1971 Load: 57.1 t ADT: 182,461

IS 795 SBR

Fair

Over: CSX TRANSPORTATION

0.82 MI N OF MCDONOUGH RD, Baltimore, MD

Built 1984 Load: 57.1 t ADT: 110,982

SHELBOURNE ROAD

Fair

Over: TRIBUTARY TO WEST BRANCH

0.17 MI S OF LOCUST AVE, Baltimore, MD

Built 1930 Load: 57.1 t ADT: 3,000

HANOVER STREET

Fair

Over: CSX RAILROAD

HANOVER ST OVER CSX RR, Baltimore city, MD

Built 1900 Load: 57.1 t ADT: 27,130

RELOCATED MONROE S

Fair

Over: GWYNNS FALLS

MONROE ST & ANNAP RD, Baltimore city, MD

Built 1975 Load: 57.1 t ADT: 19,110

MD 27

Fair

Over: MARYLAND MIDLAND RR

0.4 MILE NORTH OF MD 808B, Carroll, MD

Built 1991 Load: 57.1 t ADT: 10,690

TANK ROAD

Fair

Over: NORTH BR PATAPSCO RIVER

0.53 MI S OF WESLEY RD, Carroll, MD

Built 1974 Load: 57.1 t ADT: 174

LITTLE EGYPT RD

Fair

Over: EAST BRANCH CHRISTIANA R

0.19 MI W OF MD 896, Cecil, MD

Built 1968 Load: 57.1 t ADT: 1,401

MD 135

Fair

Over: SAVAGE RIVER

0.09 MI W OF ALLEGANY CO, Garrett, MD

Built 1937 Load: 57.1 t ADT: 3,150

DORSEY RUN ROAD

Fair

Over: DORSEY RUN

0.5 MI S OF MD RTE 175, Howard, MD

Built 1955 Load: 57.1 t ADT: 6,745

CRABBS BRANCH WAY

Fair

Over: CRABBS CREEK

0.1 MI W OF REDLAND RD, Montgomery, MD

Built 1982 Load: 57.1 t ADT: 16,564

BW PARKWAY

Fair

Over: BEAVERDAM ROAD

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

Built 1953 Load: 57.1 t ADT: 80,000

BW PARKWAY (NBL)

Fair

Over: MD ROUTE 197 (EBL)

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

Built 2001 Load: 57.1 t ADT: 88,000

CEDAR RIDGE ROAD

Fair

Over: MEADOW BROOK

0.2 MI S OF IS 70, Washington, MD

Built 1935 Load: 57.1 t ADT: 900

LWR GEORGES CRK RD

Fair

Over: GEORGES CREEK

0.01 MI W OF MD 939, Allegany, MD

Built 1993 Load: 57.6 t ADT: 598

PUTTY HILL AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.25 MI W OF MD 41, Baltimore, MD

Built 1961 Load: 57.6 t ADT: 12,957

MD 91

Fair

Over: NORTH BRANCH PATAPSCO RI

.04 MILE NORTH OF MD 879D, Carroll, MD

Built 1965 Load: 57.6 t ADT: 5,640

TWIN ARCH ROAD

Fair

Over: SOUTH BR PATAPSCO RIVER

ON HOWARD CO LINE, Carroll, MD

Built 1987 Load: 57.6 t ADT: 4,137

MD 279

Fair

Over: BIG ELK CREEK

0.04 MILE NORTH OF MD 268, Cecil, MD

Built 1960 Load: 57.6 t ADT: 14,060

PETERSVILLE ROAD

Fair

Over: LITTLE CATOCTIN CREEK

0.61 MI N OF MD 871G, Frederick, MD

Built 1941 Load: 57.6 t ADT: 3,270

IS 270 & CD RDS

Fair

Over: WATTS BRANCH

0.21 MILE NORTH OF MD 28, Montgomery, MD

Built 1955 Load: 57.6 t ADT: 239,460

IS 495

Fair

Over: BRUNETT AVENUE

0.297 MILE WEST OF US 29, Montgomery, MD

Built 1959 Load: 57.6 t ADT: 232,010

PURDUM ROAD

Fair

Over: BENNETT CREEK TRIBUTARY

0.6 MI N OF MOUNTAIN VIEW, Montgomery, MD

Built 1975 Load: 57.6 t ADT: 830

CATTAIL ROAD

Fair

Over: DRY SENECA CREEK

1.5 MI S OF JCT SR 28, Montgomery, MD

Built 1975 Load: 57.6 t ADT: 2,435

I-495 I.L.

Fair

Over: AMTRAK

0.18 MILE SOUTH OF MD 450, Prince George's, MD

Built 1964 Load: 57.6 t ADT: 226,100

IS 95 NBR

Fair

Over: PROPOSED LANSDOWNE ROAD

0.31 MI S OF BALT CITY, Baltimore, MD

Built 1972 Load: 58.0 t ADT: 182,461

BELFAST ROAD

Fair

Over: PINEY CREEK

0.2 MI E. OF IS83,EXIT 24, Baltimore, MD

Built 1953 Load: 58.0 t ADT: 4,918

I-695 INNER LOOP

Fair

Over: P AND B RAILROAD

0.3 MI W OF MD 151, Baltimore, MD

Built 1997 Load: 58.0 t ADT: 11,133

FALLS ROAD

Fair

Over: MTA, JONES FALLS, & C. M

ON RAMP, JFX-FALLS RD, Baltimore city, MD

Built 1960 Load: 58.0 t ADT: 6,335

KAYS MILL ROAD

Fair

Over: BEAVER RUN

0.44 MI S OF MD 140, Carroll, MD

Built 1978 Load: 58.0 t ADT: 1,671

PATAPSCO ROAD

Fair

Over: WEST BR PATAPSCO RIVER

0.04 MI N OF WESLEY ROAD, Carroll, MD

Built 1980 Load: 58.0 t ADT: 706

MD 268

Fair

Over: AMTRAK

0.51 MILE WEST OF MD 279, Cecil, MD

Built 1987 Load: 58.0 t ADT: 6,284

SLICERS MILL ROAD

Fair

Over: STONE RUN

0.7 M NW OF US RTE 1, Cecil, MD

Built 1984 Load: 58.0 t ADT: 390

SUGARLAND ROAD

Fair

Over: DRY SENECA CREEK

2.3 MI S OF JCT SR 28, Montgomery, MD

Built 1971 Load: 58.0 t ADT: 433

HARRIS ROAD WEST

Fair

Over: LITTLE MONOCACY RIVER

0.7 MI S OF MT EPHRAM RD, Montgomery, MD

Built 1925 Load: 58.0 t ADT: 161

WOOTTON PARKWAY

Fair

Over: WATTS BRANCH

0.9 MI W OF JCT SR 189, Montgomery, MD

Built 1972 Load: 58.0 t ADT: 14,452

RESEARCH ROAD

Fair

Over: BEAVER DAM CREEK

CAPITAL BELTWAY TO EXIT 2, Prince George's, MD

Built 1966 Load: 58.0 t ADT: 600

BUS LOOP

Fair

Over: WMATA RAILROAD

1 mi. S. of Suitland Pkwy, Prince George's, MD

Built 1995 Load: 58.0 t ADT: 484

IS 70

Fair

Over: BR OF CONOCOCHEAGUE CREE

0.81 MILE EAST OF MD 63, Washington, MD

Built 1966 Load: 58.0 t ADT: 45,040

CEARFOSS PIKE

Fair

Over: CONOCOCHEAGUE CREEK

0.85 MI SE OF PA LINE, Washington, MD

Built 1977 Load: 58.0 t ADT: 999

BURNSIDE BRIDGE RD

Fair

Over: SHARMANS BRANCH

0.83 MI SW OF MD RTE 34, Washington, MD

Built 1978 Load: 58.0 t ADT: 310

Showing 3,101-3,150 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.