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 220

Fair

Over: TRIB TO NORTH BR POTOMAC

1.46 MI N OF MD 830A, Allegany, MD

Built 1929 Load: 20.4 t ADT: 7,111

OFFUTT ROAD

Fair

Over: TRIBUTARY TO BRICE RUN

0.92 MI S OF MD 26, Baltimore, MD

Built 1920 Load: 20.4 t ADT: 3,037

MD 4

Fair

Over: PATUXENT RIVER & TOWN CR

ON ST MARYS CO LINE, Calvert, MD

Built 1977 Load: 20.4 t ADT: 28,338

HARNEY ROAD

Fair

Over: ALLOWAY CREEK

1.26 MILES S OF PA LINE, Carroll, MD

Built 1919 Load: 20.4 t ADT: 1,911

STONE ROAD

Fair

Over: BIG PIPE CREEK

0.37 MI SE OF MAYBERRY RD, Carroll, MD

Built 1984 Load: 20.4 t ADT: 448

MD 17

Fair

Over: CATOCTIN CREEK

0.6 MILE SOUTH OF IS 70, Frederick, MD

Built 1928 Load: 20.4 t ADT: 3,891

WALNUT TREE ROAD

Fair

Over: CYPRESS BRANCH

0.8 MI NW OF BIG STONE RD, Kent, MD

Built 1968 Load: 20.4 t ADT: 266

BELLEVUE FERRY DOC

Fair

Over: TRED AVON RIVER

1 MI NE OF OXFORD, Talbot, MD

Built 2002 Load: 20.4 t ADT: 2,005

STOKES ROAD

Fair

Over: STONEY CREEK

50M EAST OF E PALMER RD, Montgomery, MD

Built 1950 Load: 20.8 t ADT: 2,000

PARADISE STREET

Fair

Over: NEFF RUN

0.14 MI S OF MD 36, Allegany, MD

Built 1994 Load: 20.9 t ADT: 920

MD 165

Fair

Over: LITTLE GUNPOWDER FALLS

ON HARFORD CO LINE, Baltimore, MD

Built 1931 Load: 20.9 t ADT: 7,011

TRAPPE ROAD

Fair

Over: TRIBUTARY TO BEAR CREEK

0.8 MI EAST OF MD 157, Baltimore, MD

Built 1970 Load: 20.9 t ADT: 18,600

BERBERI ROAD

Fair

Over: TRIBUTARY TO NORTH BRANC

1.3 MI E OF MD 140, Carroll, MD

Built 2005 Load: 20.9 t ADT: 140

LIVERPOOL PT ROAD

Fair

Over: BEAVERDAM CREEK

0.1 MI W ADAMS WILLETT RD, Charles, MD

Built 1924 Load: 20.9 t ADT: 409

MERRIMACK PLACE

Fair

Over: DITCHLEY PRONG

0.1 MI E SHILOH CHURCH RD, Charles, MD

Built 1920 Load: 20.9 t ADT: 50

US 15

Fair

Over: POTOMAC RIVER, CSX, C&O

POINT OF ROCKS, Frederick, MD

Built 1939 Load: 20.9 t ADT: 20,473

MD 17

Fair

Over: MIDDLE CREEK

1.13 MILES N OF MD 383, Frederick, MD

Built 1923 Load: 20.9 t ADT: 5,891

US 40 ALT

Fair

Over: CATOCTIN CREEK

0.05 M E OF MARKER ROAD, Frederick, MD

Built 1923 Load: 20.9 t ADT: 9,212

MD 39

Fair

Over: CSX TRANSPORTATION

0.05 MILE WEST OF US 219, Garrett, MD

Built 1994 Load: 20.9 t ADT: 5,671

U.S. ROUTE 40

Fair

Over: SUSQUEHANNA RIVER-PA RR

HARFORD-CECIL CO LINE, Harford, MD

Built 1939 Load: 20.9 t ADT: 25,780

FALSTONE AVENUE

Fair

Over: LITTLE FALLS BRANCH

0.1 MI E OF WARWICK AVE, Montgomery, MD

Built 1965 Load: 20.9 t ADT: 50

SOUTH FARM ROAD

Fair

Over: PAINT BRANCH

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

Built 1955 Load: 20.9 t ADT: 400

CEDAR POINT RD

Fair

Over: HARPERS CREEK

0.7 MI N OF BRONSON RD, St. Mary's, MD

Built 1952 Load: 20.9 t ADT: 1,440

CEDAR POINT RD

Fair

Over: GOOSE CREEK

0.9 MI NE OF MACAULAY AVE, St. Mary's, MD

Built 1952 Load: 20.9 t ADT: 1,440

MD 90

Fair

Over: ASSAWOMAN BAY

1.17 MILES WEST OF MD 528, Worcester, MD

Built 1971 Load: 20.9 t ADT: 30,510

US 40 SCN

Fair

Over: FIFTEEN MILE CREEK

0.19 M E OF BR NO 0113300, Allegany, MD

Built 1917 Load: 21.3 t ADT: 281

US RTE 50 WB

Fair

Over: CHESAPEAKE BAY

6 MI E OF MD RTE 2, Anne Arundel, MD

Built 1973 Load: 21.3 t ADT: 39,114

MD 311

Fair

Over: COOLSPRING BRANCH

0.3 M N OF GOODEN ROAD, Caroline, MD

Built 1952 Load: 21.3 t ADT: 3,230

MD 86

Fair

Over: BR OF GUNPOWDER FALLS

0.24 MI S OF PA LINE, Carroll, MD

Built 1929 Load: 21.3 t ADT: 3,322

MD 32

Fair

Over: LIBERTY RESERVOIR

2.53 MILE SOUTH OF MD 91, Carroll, MD

Built 1952 Load: 21.3 t ADT: 14,020

AMMENDALE ROAD

Fair

Over: TRIB TO INDIAN CREEK

0.26 MI W OF US 1, Prince George's, MD

Built 1948 Load: 21.3 t ADT: 1,743

US 13 NB

Fair

Over: KINGS CREEK

0.18 MILE SOUTH OF MD 920, Somerset, MD

Built 1962 Load: 21.3 t ADT: 20,870

MAIN ST-LONACONING

Fair

Over: GEORGES CREEK

0.02 MI E OF MD 36, Allegany, MD

Built 1957 Load: 21.8 t ADT: 153

MD 100

Fair

Over: MARLEY CREEK

0.79 MILE WEST OF MD 2, Anne Arundel, MD

Built 1964 Load: 21.8 t ADT: 73,112

MD 25

Fair

Over: DEEP RUN

0.05 MILE SOUTH OF MD 130, Baltimore, MD

Built 1961 Load: 21.8 t ADT: 26,821

BASIN RUN ROAD

Fair

Over: BASIN RUN

0.01 MI W OF HARMONY C DR, Cecil, MD

Built 1983 Load: 21.8 t ADT: 157

MD 795

Fair

Over: CAMBRIDGE CREEK

0.04 MI E OF MARKET ST, Dorchester, MD

Built 1938 Load: 21.8 t ADT: 9,422

MD 75

Fair

Over: PLEASANT BRANCH

1.71 MILES N OF MD 355, Frederick, MD

Built 1930 Load: 21.8 t ADT: 7,952

CULLUM ROAD

Fair

Over: TRIBUTARY OF JAMES RUN

0.3 MILE N OF CRESWELL RD, Harford, MD

Built 1920 Load: 21.8 t ADT: 300

OLD PYLESVILLE RD

Fair

Over: BROAD CREEK

0.4 MILES N OF MD 543, Harford, MD

Built 1928 Load: 21.8 t ADT: 161

MD 290

Fair

Over: MILL CREEK

0.60 MILE NORTH OF MD 213, Kent, MD

Built 1947 Load: 21.8 t ADT: 2,445

BW PARKWAY ACCESS

Fair

Over: MD ROUTE 201

0.1 MILES NORTH OF U.S. R, Prince George's, MD

Built 1954 Load: 21.8 t ADT: 34,075

MD 456

Fair

Over: BR OF WYE RIVER

0.47 MILE NORTH OF US 50, Queen Anne's, MD

Built 1929 Load: 21.8 t ADT: 690

MASON ROAD

Fair

Over: EVITTS CREEK

1.26 MI N OF ZEMBOWER RD, Allegany, MD

Built 1950 Load: 22.2 t ADT: 219

MD 128

Fair

Over: CSX TRANSPORTATION

0.48 MILES EAST OF MD 30, Baltimore, MD

Built 1947 Load: 22.2 t ADT: 15,840

RUXTON ROAD

Fair

Over: MTA LIGHT RAIL

100 FEET W OF BELLONA AVE, Baltimore, MD

Built 1960 Load: 22.2 t ADT: 9,190

DANCE MILL ROAD

Fair

Over: DULANEY VALLEY BRANCH

0.17 MI N OF DUL VALL RD, Baltimore, MD

Built 1920 Load: 22.2 t ADT: 1,195

GUNPOWDER ROAD

Fair

Over: COMPASS RUN

0.3 MI S. OF BCKLYSVIL RD, Baltimore, MD

Built 1920 Load: 22.2 t ADT: 1,755

CROMWELL VALLEY PA

Fair

Over: TRIBUTARY TO MINEBANK RU

0.4 MI. NW CROMWELL BR RD, Baltimore, MD

Built 2005 Load: 22.2 t ADT: 100

DOUBLE HILLS ROAD

Fair

Over: HERRING RUN

0.25 MI NE OF MD 404, Caroline, MD

Built 1913 Load: 22.2 t ADT: 516

Showing 1,251-1,300 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.