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

US 15/340

Fair

Over: BALLENGER CREEK

1.95 MILES SOUTH OF IS 70, Frederick, MD

Built 1968 Load: 32.7 t ADT: 53,991

MD 75

Fair

Over: BENS BRANCH

0.19 MI S OF MD 874C, Frederick, MD

Built 1964 Load: 32.7 t ADT: 10,783

MD 26

Fair

Over: LINGANORE CREEK

0.22 M W OF BR NO 1016800, Frederick, MD

Built 1950 Load: 32.7 t ADT: 5,482

MD 26

Fair

Over: BRANCH OF LINGANORE CREE

0.58 M W ALBAUGH ROAD, Frederick, MD

Built 1950 Load: 32.7 t ADT: 5,272

MD 550

Fair

Over: FRIENDS CREEK

0.15 M S OF BENTZEL ROAD, Frederick, MD

Built 1981 Load: 32.7 t ADT: 7,861

LEGORE BRIDGE ROAD

Fair

Over: MONOCACY RIVER

3 MI N OF WOODSBORO, Frederick, MD

Built 1903 Load: 32.7 t ADT: 2,045

PARK MILLS ROAD

Fair

Over: BENNETT CREEK

2.75 MI SOUTH OF MD 80, Frederick, MD

Built 1965 Load: 32.7 t ADT: 674

KEY PARKWAY

Fair

Over: ROCK CREEK

500' W OF WILLOWDALE DR., Frederick, MD

Built 1990 Load: 32.7 t ADT: 3,560

COLLEGE AVENUE

Fair

Over: CARROLL CREEK FLOODPLAIN

0.2 MI NORTH OF MD 144, Frederick, MD

Built 1992 Load: 32.7 t ADT: 1,652

NORTH McCAIN DRIVE

Fair

Over: ROCK CREEK

0.2 MI. NORTH OF US 40, Frederick, MD

Built 1996 Load: 32.7 t ADT: 9,790

CHRISTOPHERS CROSS

Fair

Over: EDISON BRANCH

2.7 MI. WEST OF US 15, Frederick, MD

Built 1989 Load: 32.7 t ADT: 4,108

HAYWARD ROAD

Fair

Over: OPOSSUM BRANCH

0.7 MILES WEST OF US 15, Frederick, MD

Built 1990 Load: 32.7 t ADT: 6,712

TUSCANNEY DRIVE

Fair

Over: EDISON BRANCH

1.3 MI WEST OF US 15, Frederick, MD

Built 1998 Load: 32.7 t ADT: 4,027

BIGGS FORD ROAD

Fair

Over: DUBLIN BRANCH

1.5 MI E OF US RTE 15, Frederick, MD

Built 2004 Load: 32.7 t ADT: 3,911

SAVAGE RIVER ROAD

Fair

Over: CRABTREE CREEK

0.03 MI E SPRING LICK RD, Garrett, MD

Built 1950 Load: 32.7 t ADT: 598

SAVAGE RIVER ROAD

Fair

Over: MIDDLE FORK

0.7 MI N OF SPRING LICK R, Garrett, MD

Built 1950 Load: 32.7 t ADT: 544

FRIENDSVILLE ADDIS

Fair

Over: BEAR CREEK

0.04 MI NE OF PARK AVE, Garrett, MD

Built 1979 Load: 32.7 t ADT: 1,055

ACCIDENT BEAR CREE

Fair

Over: BEAR CREEK

0.17 MI SE WALNUT ST, Garrett, MD

Built 1921 Load: 32.7 t ADT: 2,345

ARTHUR DEVINE ROAD

Fair

Over: BEAR CREEK

0.1 MI SW ACC BEAR CR RD, Garrett, MD

Built 1935 Load: 32.7 t ADT: 27

US 1 BU

Fair

Over: WINTERS RUN

0.87 MILE NORTH OF US 1, Harford, MD

Built 1930 Load: 32.7 t ADT: 20,564

US 1 & RAMP C(2)

Fair

Over: BYNUM RUN

0.25 MILE NORTH OF MD 24, Harford, MD

Built 1964 Load: 32.7 t ADT: 23,320

MD 165

Fair

Over: BROAD CREEK

0.4 MILE NORTH OF MD 543, Harford, MD

Built 1959 Load: 32.7 t ADT: 5,772

MD 462

Fair

Over: SWAN CREEK

0.84 MILE NORTH OF MD 22, Harford, MD

Built 1978 Load: 32.7 t ADT: 7,401

MD 543

Fair

Over: DEER CREEK

1.47 MILES S OF MD 440, Harford, MD

Built 1932 Load: 32.7 t ADT: 7,736

LAKE FANNY ROAD

Fair

Over: WINTERS RUN

0.2 MILES S OF US 1, Harford, MD

Built 1913 Load: 32.7 t ADT: 11

OLD FALLSTON ROAD

Fair

Over: MA & PA RAILROAD (ABAND)

0.3 MILES S OF MD 152, Harford, MD

Built 1930 Load: 32.7 t ADT: 2,210

CLAYTON ROAD

Fair

Over: MOUNTAIN BRANCH

0.3 MILES W OF SINGER RD, Harford, MD

Built 1970 Load: 32.7 t ADT: 766

I-95

Fair

Over: GRAYS RUN

Milepost M83.1, Harford, MD

Built 1963 Load: 32.7 t ADT: 116,162

I-95

Fair

Over: SUSQUEHANNA RIVER,PA RR

HARFORD-CECIL CO LINE, Harford, MD

Built 1963 Load: 32.7 t ADT: 86,430

US 1 & RAMP C(8)

Fair

Over: GUILFORD BRANCH

0.26 M S OF GUILFORD ROAD, Howard, MD

Built 1983 Load: 32.7 t ADT: 38,190

MD 851

Fair

Over: SOUTH BR PATAPSCO RIVER

ON CARROLL CO LINE, Howard, MD

Built 1975 Load: 32.7 t ADT: 1,301

MD 175

Fair

Over: PEDESTRIAN WALKWAY

1.56 MILES N OF MD 175HC, Howard, MD

Built 1975 Load: 32.7 t ADT: 44,142

MD 32 RAMP A(2)

Fair

Over: GUILFORD BRANCH

0.05 MILE EAST OF US 1, Howard, MD

Built 1983 Load: 32.7 t ADT: 3,123

MD 32, CD'S, CO RD

Fair

Over: GUILFORD BRANCH

0.418 MILE SOUTH OF US 1, Howard, MD

Built 1983 Load: 32.7 t ADT: 66,020

FOLLY QUARTER RD

Fair

Over: MIDDLE PATUXENT RIVER

2.7 MI S OF MD RTE 144, Howard, MD

Built 1922 Load: 32.7 t ADT: 3,489

BUSHY PARK ROAD

Fair

Over: CATTAIL CREEK

0.1 MI W CARRS MILL RD, Howard, MD

Built 1970 Load: 32.7 t ADT: 317

FREDERICK ROAD

Fair

Over: LITTLE PATUXENT RIVER

0.5 MI E CENTENNIAL LANE, Howard, MD

Built 1930 Load: 32.7 t ADT: 10,927

OLD COLUMBIA ROAD

Fair

Over: MIDDLE PATUXENT RIVER

0.01 MI E OF US RTE 29, Howard, MD

Built 1920 Load: 32.7 t ADT: 3,484

PRICE MANOR WAY

Fair

Over: HAMMOND BRANCH

0.18 MI N OF FULTON RD, Howard, MD

Built 1969 Load: 32.7 t ADT: 100

MD 20

Fair

Over: SHIPYARD CREEK

1.20 MILES WEST OF MD 21, Kent, MD

Built 1920 Load: 32.7 t ADT: 4,590

MD 289

Fair

Over: RADCLIFF CREEK

0.82 MILE SOUTH OF MD 213, Kent, MD

Built 1948 Load: 32.7 t ADT: 3,563

MD 299

Fair

Over: HERRING BRANCH

0.46 M S OF CECIL CO LINE, Kent, MD

Built 1913 Load: 32.7 t ADT: 753

MD 289

Fair

Over: SPILLWAY OF CHESTER RIVE

0.12 M S OF COLLINS AVE, Kent, MD

Built 1948 Load: 32.7 t ADT: 4,023

BIG STONE ROAD

Fair

Over: CYPRESS BRANCH

0.4 MI S OF MD RTE 330, Kent, MD

Built 1962 Load: 32.7 t ADT: 265

E. RIXEY ROAD

Fair

Over: STONEY CREEK

10M W STONE LAKE RD, Montgomery, MD

Built 1975 Load: 32.7 t ADT: 500

MD 28 & RAMP 6

Fair

Over: WATTS BRANCH

0.18 MILE WEST OF IS 270, Montgomery, MD

Built 1955 Load: 32.7 t ADT: 47,601

US 29

Fair

Over: NORTHWEST BRANCH

0.27 M S OF LOCKWOOD DR, Montgomery, MD

Built 1920 Load: 32.7 t ADT: 67,927

MD 107

Fair

Over: DRY SENECA CREEK

1.4 MILES WEST OF MD 28, Montgomery, MD

Built 1992 Load: 32.7 t ADT: 5,862

MD 115

Fair

Over: ROCK CREEK

0.34 M E OF OLDE MILL RUN, Montgomery, MD

Built 1970 Load: 32.7 t ADT: 16,981

MD 124

Fair

Over: GREAT SENECA CREEK

0.23 MI S OF WATKINS RD, Montgomery, MD

Built 1989 Load: 32.7 t ADT: 11,881

Showing 1,801-1,850 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.