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

TUCKER ROAD

Fair

Over: TRIB TO HENSON CREEK

0.01 MI N OF FERGUSON LA, Prince George's, MD

Built 1978 Load: 49.0 t ADT: 7,075

EAST SWAN CREEK RO

Fair

Over: CLASH CREEK

0.42 MI W OF MD 210, Prince George's, MD

Built 1989 Load: 49.0 t ADT: 13,440

HAINES POINT ROAD

Fair

Over: TRIB OF UPPER THOROFARE

AT HARRISON POINT ROAD, Somerset, MD

Built 1986 Load: 49.0 t ADT: 81

FENWICK STREET

Fair

Over: TOWN RUN

0.3 MILE NORTH OF MD 5, St. Mary's, MD

Built 1955 Load: 49.0 t ADT: 7,918

MD 333

Fair

Over: TRED AVON RIVER

0.12 MILE SOUTH OF MD 322, Talbot, MD

Built 1955 Load: 49.0 t ADT: 8,882

MD 62

Fair

Over: LITTLE ANTIETAM CREEK

0.626 MILE SOUTH OF MD 60, Washington, MD

Built 1931 Load: 49.0 t ADT: 2,080

UNGER ROAD

Fair

Over: GROVE CREEK

0.2 MI N OLD FORGE RD, Washington, MD

Built 1908 Load: 49.0 t ADT: 498

MD 174

Fair

Over: AMTRAK

0.71 MILE SOUTH OF MD 170, Anne Arundel, MD

Built 1931 Load: 49.4 t ADT: 19,339

MD 100M (COCA-COLA

Fair

Over: DEEP RUN

HOWARD COUNTY LINE, Anne Arundel, MD

Built 1996 Load: 49.4 t ADT: 9,784

MD 43 & RAMP N

Fair

Over: CSX TRANSPORTATION

0.08 MILE WEST OF US 40, Baltimore, MD

Built 1963 Load: 49.4 t ADT: 22,608

SEMINARY AVENUE

Fair

Over: LONG QUARTER BRANCH

0.08 MI W OF MD 146, Baltimore, MD

Built 1953 Load: 49.4 t ADT: 7,400

MD 482

Fair

Over: CSX TRANSPORTATION

0.151 MILE WEST OF MD 20, Carroll, MD

Built 1982 Load: 49.4 t ADT: 8,632

MD 854B

Fair

Over: MORGAN RUN

3.63 MILE SOUTH OF MD 32, Carroll, MD

Built 1983 Load: 49.4 t ADT: 1,970

CORONA BAYARD ROAD

Fair

Over: NORTH BRANCH OF POTOMAC

ON WEST VIRGINIA LINE, Garrett, MD

Built 2013 Load: 49.4 t ADT: 96

JAMES RUN ROAD

Fair

Over: JAMES RUN

0.5 MILES E OF MD 136, Harford, MD

Built 1977 Load: 49.4 t ADT: 1,215

US 1 NB

Fair

Over: LITTLE PATUXENT RIVER

0.38 MILE SOUTH OF MD 32, Howard, MD

Built 1955 Load: 49.4 t ADT: 19,773

MD 355

Fair

Over: LITTLE SENECA CREEK

1.44 MILES NORTH OF MD 27, Montgomery, MD

Built 1922 Load: 49.4 t ADT: 13,820

OAKLYN DRIVE

Fair

Over: ROCK RUN

1 MI SOUTH OF MD 189, Montgomery, MD

Built 1989 Load: 49.4 t ADT: 3,785

UPPER POTOMAC INDU

Fair

Over: CSXT RAILROAD

0.08 MI E OF US 220, Allegany, MD

Built 1975 Load: 49.9 t ADT: 120

US 1

Fair

Over: PATAPSCO RIVER

ON HOWARD CO LINE, Baltimore, MD

Built 1915 Load: 49.9 t ADT: 25,532

IS 195 NBR

Fair

Over: CSX TRANSPORTATION

0.26 MILE NORTH OF US 1, Baltimore, MD

Built 1972 Load: 49.9 t ADT: 41,831

IS 895

Fair

Over: MTA LIGHT RAIL

Milepost 5.2, Baltimore, MD

Built 1957 Load: 49.9 t ADT: 36,977

MANNASOTA AVENUE

Fair

Over: HERRING RUN

0.6 MI W ERDMAN AVE, Baltimore city, MD

Built 1928 Load: 49.9 t ADT: 2,933

IS 95 RAMP B

Fair

Over: WB MCCOMAS ST

0.15 MI N OF HANOVER ST, Baltimore city, MD

Built 1982 Load: 49.9 t ADT: 7,909

MD 4 NB

Fair

Over: LYONS CREEK

ON ANNE ARUNDEL CO LINE, Calvert, MD

Built 1987 Load: 49.9 t ADT: 46,661

WALNUT STREET

Fair

Over: STONE RUN

0.59 MI N OF MD 273, Cecil, MD

Built 1991 Load: 49.9 t ADT: 2,197

SMALLWOOD DRIVE EB

Fair

Over: CSX TRANSPORTATION

0.25 mi E MD RTE 925, Charles, MD

Built 1966 Load: 49.9 t ADT: 13,201

N. BENTZ STREET

Fair

Over: CARROLL CREEK

365' NORTH OF MD 144, Frederick, MD

Built 1992 Load: 49.9 t ADT: 7,250

IS 68/US 219 EB

Fair

Over: CASSELMAN RIVER

1.08 MILE EAST OF MD 495, Garrett, MD

Built 1975 Load: 49.9 t ADT: 17,770

IS 68/US 219 WB

Fair

Over: CASSELMAN RIVER

1.08 MILE EAST OF MD 495, Garrett, MD

Built 1975 Load: 49.9 t ADT: 17,770

BUTTERMILK ROAD

Fair

Over: TRIB / BIG BRANCH

0.6 MILES N OF W HEAPS RD, Harford, MD

Built 1978 Load: 49.9 t ADT: 86

OLD PYLESVILLE RD

Fair

Over: TRIB / JACKS HOLE

0.2 MILES NE OF MD 165, Harford, MD

Built 1997 Load: 49.9 t ADT: 541

HALL STREET

Fair

Over: HEAVENLY WATERS

0.4 MILES SW OF MD 924, Harford, MD

Built 1999 Load: 49.9 t ADT: 113

I-95

Fair

Over: JAMES RUN

6.9 MI N BALT-HAR CO LINE, Harford, MD

Built 1963 Load: 49.9 t ADT: 130,492

US 29 SB

Fair

Over: LITTLE PATUXENT RIVER

1.62 MILES S OF MD 175, Howard, MD

Built 1950 Load: 49.9 t ADT: 73,292

TOWN & COUNTRY BOU

Fair

Over: SUCKER BRANCH

0.05 MI OF RODGERS AVE, Howard, MD

Built 1966 Load: 49.9 t ADT: 10,030

MD 410

Fair

Over: ROCK CREEK

0.55 MILE EAST OF MD 186, Montgomery, MD

Built 1974 Load: 49.9 t ADT: 26,931

EDMONSTON DRIVE

Fair

Over: CSXT RR & WMATA METRO

0.05 MILES EAST OF MD 355, Montgomery, MD

Built 1981 Load: 49.9 t ADT: 10,524

MOUNT AETNA ROAD

Fair

Over: ANTIETAM CREEK

0.8 MI W OF US RTE 40, Washington, MD

Built 1980 Load: 49.9 t ADT: 7,260

MD 144

Fair

Over: ELK LICK CREEK

0.62 M E OF BR NO 0115400, Allegany, MD

Built 1960 Load: 50.3 t ADT: 1,121

IS 68 RAMP 'B'(6)

Fair

Over: HOWARD STREET

0.44 MI E OF US 48H, Allegany, MD

Built 1968 Load: 50.3 t ADT: 13,342

MD 170

Fair

Over: SEVERN RUN

1.2 MILE NORTH OF MD 175, Anne Arundel, MD

Built 1936 Load: 50.3 t ADT: 21,621

MD 25

Fair

Over: MTA LIGHT RAIL, JONES FA

0.5 MI N OF NORTHERN PKWY, Baltimore, MD

Built 1992 Load: 50.3 t ADT: 13,551

MD 145 (PAPER MILL

Fair

Over: GUNPOWDER FALLS

1.7 MI. E. OF YORK ROAD, Baltimore, MD

Built 2000 Load: 50.3 t ADT: 10,100

I-95

Fair

Over: GUNPOWDER FALLS

2.3 MI S BALT-HAR CO LINE, Baltimore, MD

Built 1963 Load: 50.3 t ADT: 178,830

MORAVIA ROAD RAMP

Fair

Over: HERRING RUN

MORAVIA RAMP TO PULASKI H, Baltimore city, MD

Built 1970 Load: 50.3 t ADT: 8,480

IS 95 RAMP A

Fair

Over: CSX LOCUST POINT YARD

0.5 mi N OF EXIT FOR I395, Baltimore city, MD

Built 1978 Load: 50.3 t ADT: 8,391

MD 24 SB

Fair

Over: OTTERS POINT CREEK

0.1 MILE NORTH OF US 40, Harford, MD

Built 1967 Load: 50.3 t ADT: 20,242

ST CLAIR BRIDGE RD

Fair

Over: DEER CREEK

1.7 MILES S OF MD 165, Harford, MD

Built 1961 Load: 50.3 t ADT: 390

MD 212

Fair

Over: SLIGO CREEK

0.08 MILE SOUTH OF MD 410, Prince George's, MD

Built 1961 Load: 50.3 t ADT: 37,411

Showing 2,851-2,900 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.