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

PROENTY ROAD

Fair

Over: JENNINGS RUN

0.02 MI S OF MD 36, Allegany, MD

Built 1926 Load: 34.9 t ADT: 1,125

SMOUSES MILL ROAD

Fair

Over: EVITTS CREEK

0.67 MI S OF US 220, Allegany, MD

Built 2002 Load: 34.9 t ADT: 238

US 50

Fair

Over: SEVERN RIVER

0.85 M W OF BR NO 0203900, Anne Arundel, MD

Built 1953 Load: 34.9 t ADT: 124,193

SPA ROAD

Fair

Over: SPA CREEK

0.5 MI N OF FOREST DRIVE, Anne Arundel, MD

Built 1970 Load: 34.9 t ADT: 5,131

SECOND LEVEL ENTRA

Fair

Over: SOUTH END OF CONSOLIDATE

CRCF - BWI AIRPORT, Anne Arundel, MD

Built 2003 Load: 34.9 t ADT: 113

I-83 RAMP B

Fair

Over: PARKING LOTS

0.2 MI N OF MADISON ST, Baltimore city, MD

Built 1976 Load: 34.9 t ADT: 8,794

PENNINGTON AVENUE

Fair

Over: CABIN BRANCH

1.5 MI S PATAPSCO AVE, Baltimore city, MD

Built 1986 Load: 34.9 t ADT: 13,500

US 40 EB

Fair

Over: AMTRAK

0.31 MILE EAST OF MD 279, Cecil, MD

Built 1992 Load: 34.9 t ADT: 17,906

MD 135

Fair

Over: LITTLE YOUGHIOGHENY RIVE

0.28 MILE EAST OF MD 560, Garrett, MD

Built 1932 Load: 34.9 t ADT: 6,712

SAVAGE RIVER ROAD

Fair

Over: SAVAGE RIVER

0.78 MI S WESTERNPORT RD, Garrett, MD

Built 2001 Load: 34.9 t ADT: 610

OAKLAND-ROSEDALE R

Fair

Over: LITTLE YOUGHIOGHENY RIVE

0.14 MI NORTH OF MD 39, Garrett, MD

Built 2004 Load: 34.9 t ADT: 1,070

ORENDORF ROAD

Fair

Over: NORTH BRANCH CASSELMAN R

SOUTH OF US 40, Garrett, MD

Built 1988 Load: 34.9 t ADT: 100

TAYLOR ROAD

Fair

Over: BROAD CREEK

0.7 MILES E OF MD 543, Harford, MD

Built 1974 Load: 34.9 t ADT: 44

CARROLL MILL ROAD

Fair

Over: MIDDLE PATUXENT RIVER

0.4 MI W OF FOLLY QUARTER, Howard, MD

Built 1975 Load: 34.9 t ADT: 1,346

I-895 SB

Fair

Over: B&O RR,COUNTY ROADS

Milepost 0.7, Howard, MD

Built 1972 Load: 34.9 t ADT: 6,015

US 301 NB

Fair

Over: SASSAFRAS RIVER

ON CECIL COUNTY LINE, Kent, MD

Built 1955 Load: 34.9 t ADT: 9,710

MD 182

Fair

Over: BATCHELLOR'S RUN

0.391 MILE SOUTH OF MD 28, Montgomery, MD

Built 1931 Load: 34.9 t ADT: 9,850

IS 495

Fair

Over: NORTHWEST BRANCH

1.00 MILE WEST OF MD 650, Montgomery, MD

Built 1967 Load: 34.9 t ADT: 222,147

WATKINS MILL ROAD

Fair

Over: CABIN BRANCH

.4 MI S OF APPLE RIDGE RD, Montgomery, MD

Built 1990 Load: 34.9 t ADT: 12,768

FOREST GLEN ROAD

Fair

Over: SLIGO CREEK

0.6 MI EAST OF MD 97, Montgomery, MD

Built 1974 Load: 34.9 t ADT: 12,150

FRENCHTOWN ROAD

Fair

Over: MINE CREEK

1.0 MI SE OF RUMBLEY, Somerset, MD

Built 1984 Load: 34.9 t ADT: 64

MD 67

Fair

Over: ABANDONED RR, ISRAEL CRE

0.08 MILE SOUTH OF MD 67D, Washington, MD

Built 1969 Load: 34.9 t ADT: 5,202

CAMPBELLTOWN ROAD

Fair

Over: BIRCH BRANCH

1.55 MI S OF MD 610, Worcester, MD

Built 1994 Load: 34.9 t ADT: 275

US 40 ALT

Fair

Over: BRADDOCK RUN

0.08 MILE EAST OF MD 53, Allegany, MD

Built 1947 Load: 35.4 t ADT: 12,812

MD 2

Fair

Over: SOUTH RIVER

0.86MI N OF MD 253, Anne Arundel, MD

Built 1983 Load: 35.4 t ADT: 53,221

MD 665 WB

Fair

Over: CHURCH CREEK

0.29 MILE EAST OF MD 2, Anne Arundel, MD

Built 1991 Load: 35.4 t ADT: 28,680

MD 7

Fair

Over: GUNPOWDER FALLS

1.74 MI S OF HARFORD CO, Baltimore, MD

Built 1987 Load: 35.4 t ADT: 8,863

MD 41

Fair

Over: TRIB TO HERRING RUN

0.95 MI N OF BALT CITY, Baltimore, MD

Built 1963 Load: 35.4 t ADT: 29,990

MD 146

Fair

Over: LOCH RAVEN RESERVOIR

0.48 M N OF OLD BOSLEY RD, Baltimore, MD

Built 1976 Load: 35.4 t ADT: 20,421

CUB HILL ROAD

Fair

Over: TRIBUTARY TO GUNPOWDER F

0.2 MI E OF CROMWELL BR R, Baltimore, MD

Built 1920 Load: 35.4 t ADT: 7,580

BEETREE ROAD

Fair

Over: BEETREE RUN

1.4 MI W OF MD RTE 45, Baltimore, MD

Built 1979 Load: 35.4 t ADT: 87

RUTHERFORD ROAD

Fair

Over: DEAD RUN

0.38 MI S OF WINDSOR BLVD, Baltimore, MD

Built 1968 Load: 35.4 t ADT: 3,998

I-83 NB OFF-RAMP T

Fair

Over: MTA LIGHT RAIL

0.9 MI N OF NORTH AVE, Baltimore city, MD

Built 1957 Load: 35.4 t ADT: 25,265

LOMBARD STREET VIA

Fair

Over: NORFOLK SOUTHERN RAILROA

0.2 MI W OF I-895, Baltimore city, MD

Built 1991 Load: 35.4 t ADT: 30,700

EB MORAVIA RD TO I

Fair

Over: US40 (Pulaski Highway)

0.4 MI. E. OF IS 895, Baltimore city, MD

Built 1976 Load: 35.4 t ADT: 6,464

MD 4 NB

Fair

Over: HALL CREEK

.442 M N OF MT HARMONY RD, Calvert, MD

Built 1966 Load: 35.4 t ADT: 35,171

MD 4 SB

Fair

Over: HALL CREEK

.442 M N OF MT HARMONY RD, Calvert, MD

Built 1929 Load: 35.4 t ADT: 35,171

MD 306

Fair

Over: TANYARD BRANCH

2000 FEET EAST OF MD 315, Caroline, MD

Built 1950 Load: 35.4 t ADT: 2,391

MD 77

Fair

Over: BIG PIPE CREEK

1.52 MILE WEST OF MD 194, Carroll, MD

Built 1977 Load: 35.4 t ADT: 841

MD 229

Fair

Over: OLD WOMANS RUN

0.6 MILE EAST OF MD 227, Charles, MD

Built 1939 Load: 35.4 t ADT: 3,581

MD 144FA

Fair

Over: MONOCACY RIVER

1.04 MILE EAST OF IS 70, Frederick, MD

Built 1955 Load: 35.4 t ADT: 13,861

MD 77

Fair

Over: BR OF HUNTING CREEK

2.72 MI E OF WASH CO, Frederick, MD

Built 1971 Load: 35.4 t ADT: 3,271

ANNANDALE ROAD

Fair

Over: TOMS CREEK

0.62 MI W OF EMMITSBURG, Frederick, MD

Built 1980 Load: 35.4 t ADT: 1,505

ARNOLDTOWN ROAD

Fair

Over: BROAD RUN

0.2 MI N PICNIC WOODS RD, Frederick, MD

Built 1982 Load: 35.4 t ADT: 339

WWTP ROAD

Fair

Over: CARROLL CREEK

1.8 MI EAST OF MD 355, Frederick, MD

Built 1936 Load: 35.4 t ADT: 3,813

W. COLLEGE TERRACE

Fair

Over: CARROLL CREEK

0.2 MI NORTH OF MD 144, Frederick, MD

Built 1933 Load: 35.4 t ADT: 4,060

CARSINS RUN ROAD

Fair

Over: CARSINS RUN

0.03 MILES N OF MD 22, Harford, MD

Built 1972 Load: 35.4 t ADT: 655

MD 410

Fair

Over: BRANCH OF ROCK CREEK

0.34 MILE WEST OF MD 390, Montgomery, MD

Built 1929 Load: 35.4 t ADT: 26,931

MD 547

Fair

Over: ROCK CREEK

0.66 MILE WEST OF MD 185, Montgomery, MD

Built 1932 Load: 35.4 t ADT: 10,982

MD 213

Fair

Over: GRANNY FINLEY BRANCH

2.9 MILES SOUTH OF MD 19A, Queen Anne's, MD

Built 1910 Load: 35.4 t ADT: 6,761

Showing 2,051-2,100 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.