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

OLD YORK ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

ON BALT CO LINE, Harford, MD

Built 1955 Load: 25.4 t ADT: 245

CARROLL MILL ROAD

Fair

Over: BENSON BRANCH

0.4 MI W MT ALBERT ROAD, Howard, MD

Built 1960 Load: 25.4 t ADT: 577

RIVER ROAD

Fair

Over: BROAD RUN

0.3 MI E OF ELMER SCHOOL, Montgomery, MD

Built 1911 Load: 25.4 t ADT: 444

MD 210

Fair

Over: HENSON CREEK

0.08 M N OF PALMER ROAD, Prince George's, MD

Built 1945 Load: 25.4 t ADT: 65,100

IS 95NB,CD RD & RP

Fair

Over: LITTLE PAINT BRANCH

.24 MILES SOUTH OF MD 212, Prince George's, MD

Built 1971 Load: 25.4 t ADT: 187,850

GREENBELT METRO DR

Fair

Over: I-495

0.2 MI. W. OF CHERRYWOOD, Prince George's, MD

Built 1989 Load: 25.4 t ADT: 3,326

ROWE ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.13 MI SW OF MD RTE 64, Washington, MD

Built 1974 Load: 25.4 t ADT: 934

MEMORIAL PLAZA DRI

Fair

Over: BEAVERDAM CREEK

1 MI SW GLEN AVENUE, Wicomico, MD

Built 1991 Load: 25.4 t ADT: 3,163

MD 12

Fair

Over: POCOMOKE RIVER

1.06 MILES S OF MD 354, Worcester, MD

Built 1932 Load: 25.4 t ADT: 5,865

PORTERS CROSSING R

Fair

Over: POCOMOKE RIVER

0.95 MI E OF MD 354, Worcester, MD

Built 1990 Load: 25.4 t ADT: 260

MAIN ST (MD 937)

Fair

Over: BRANCH OF GEORGES CREEK

0.36 MI N OF W VA LINE, Allegany, MD

Built 1933 Load: 25.8 t ADT: 3,555

TOWN CREEK ROAD

Fair

Over: TOWN CREEK

1.95 MI N OF L TOWN CK RD, Allegany, MD

Built 1964 Load: 25.8 t ADT: 320

SANDS ROAD

Fair

Over: STOCKETTS RUN

3.0 MI SOUTH OF MD 214, Anne Arundel, MD

Built 1964 Load: 25.8 t ADT: 2,001

LINDEN AVENUE

Fair

Over: EAST BRANCH HERBERT RUN

0.06 MI S OF EAST DR, Baltimore, MD

Built 1982 Load: 25.8 t ADT: 4,590

DULANEY VALLEY ROA

Fair

Over: DULANEY BRANCH

0.3 MI N MD RTE 542, Baltimore, MD

Built 1952 Load: 25.8 t ADT: 6,872

AVONDALE ROAD

Fair

Over: WHITE MARSH RUN

0.02 M N OF I 695, Baltimore, MD

Built 1971 Load: 25.8 t ADT: 4,232

I-395 SPUR SB

Fair

Over: HAMBURG ST & RR

Milepost M4.0, Baltimore city, MD

Built 1982 Load: 25.8 t ADT: 19,418

BAPTIST ROAD

Fair

Over: ALLOWAY CREEK

0.09 MI N OF STARNERS DAM, Carroll, MD

Built 1940 Load: 25.8 t ADT: 269

SALEM BOTTOM ROAD

Fair

Over: MORGAN RUN

0.26 MI SE OF BLOOM ROAD, Carroll, MD

Built 1964 Load: 25.8 t ADT: 982

MD 742

Fair

Over: YOUGHIOGHENY RIVER

0.48 MILE NORTH OF MD 42, Garrett, MD

Built 1932 Load: 25.8 t ADT: 1,184

US 1

Fair

Over: SUSQUEHANNA RIVER

ON CECIL CO LINE, Harford, MD

Built 1927 Load: 25.8 t ADT: 14,243

MD 175

Fair

Over: PEDESTRIAN WALKWAY

0.69 MILE SOUTH OF US 29, Howard, MD

Built 1975 Load: 25.8 t ADT: 44,142

MD 290

Fair

Over: CHESTER RIVER

ON QUEEN ANNES CO LINE, Kent, MD

Built 1951 Load: 25.8 t ADT: 2,011

IS 95 IL

Fair

Over: SOUTHWEST BRANCH

0.25 MILE SOUTH OF MD 214, Prince George's, MD

Built 1964 Load: 25.8 t ADT: 102,413

MD 695

Fair

Over: PATAPSCO RIVER

I-695 OVER PATAPSCO RIVER, Baltimore city, MD

Built 1976 Load: 25.9 t ADT: 30,767

PRIVATE LANE

Fair

Over: FISHING CREEK

200' W OF MOUNTAINDALE RD, Frederick, MD

Built 2007 Load: 25.9 t ADT: 50

US RTE 50 EB

Fair

Over: CHESAPEAKE BAY

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

Built 1951 Load: 26.3 t ADT: 38,923

GREEN ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

1.0 MI N SWEET AIR RD, Baltimore, MD

Built 1990 Load: 26.3 t ADT: 603

HICKS ROAD

Fair

Over: LITTLE FALLS

1 MI SE OF BIG FALLS RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 3,000

WESTERN RUN ROAD

Fair

Over: WESTERN RUN

1.3 MI N OF SHAWAN RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 2,299

FREELAND ROAD

Fair

Over: LITTLE FALLS

1.3 MI NW OF MIDDLETOWN R, Baltimore, MD

Built 1986 Load: 26.3 t ADT: 1,699

HARTLEY MILL ROAD

Fair

Over: LONG GREEN CREEK

0.2 MI SE OF GLEN ARM RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 1,841

BENTLEY ROAD

Fair

Over: BEETREE RUN

200 FEET N OF EAGLE MILL, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 300

YORK ROAD NO 1

Fair

Over: SOUTH BRANCH GUNPOWDER F

1 M NE OF LINEBORO RD, Carroll, MD

Built 1940 Load: 26.3 t ADT: 88

MD 591B

Fair

Over: LOVE RUN

0.75 MILE SOUTH OF US 1, Cecil, MD

Built 1917 Load: 26.3 t ADT: 199

MD 478

Fair

Over: BR OF POTOMAC RIVER

0.23 MILE EAST OF MD 180, Frederick, MD

Built 1926 Load: 26.3 t ADT: 2,471

BULLFROG ROAD

Fair

Over: MONOCACY RIVER

0.6 MI S OF BOLLINGER SCL, Frederick, MD

Built 1908 Load: 26.3 t ADT: 324

WOODVILLE ROAD

Fair

Over: TALBOT BRANCH

AT TALBOT RUN RD INTERSEC, Frederick, MD

Built 1961 Load: 26.3 t ADT: 890

I-895 NB RAMP

Fair

Over: PATAPSCO RIVER

0.1 MI SOUTH OF I-195, Howard, MD

Built 1957 Load: 26.3 t ADT: 1,491

MD 291

Fair

Over: CYPRESS BRANCH

0.24 MILE EAST OF MD 313, Kent, MD

Built 1928 Load: 26.3 t ADT: 1,841

US 29

Fair

Over: SLIGO CREEK

0.14 M S OF FRANKLIN AVE, Montgomery, MD

Built 1936 Load: 26.3 t ADT: 55,302

MD 396

Fair

Over: LITTLE FALLS BRANCH

0.69 MILE WEST OF WASH DC, Montgomery, MD

Built 1931 Load: 26.3 t ADT: 15,581

OLD BALTIMORE PIKE

Fair

Over: INDIAN CREEK

1000 FT NE OF US 1, Prince George's, MD

Built 1984 Load: 26.3 t ADT: 14,447

51ST AVENUE

Fair

Over: TRIBUTARY TO PAINT BRANC

0.1 MILES S. OF CAMPUS DR, Prince George's, MD

Built 1989 Load: 26.3 t ADT: 300

IS 70 EB

Fair

Over: GR TONOLOWAY CK, CO RDS

0.67 MILE W OF MD 144WB, Washington, MD

Built 1965 Load: 26.3 t ADT: 19,611

MARBLE QUARRY ROAD

Fair

Over: LITTLE ANTIETAM CREEK

0.81 MI NW OF MD RTE 67, Washington, MD

Built 1985 Load: 26.3 t ADT: 178

JEFFERSON BOULEVAR

Fair

Over: HAMILTON RUN

0.5 MI E CANNON AVE, Washington, MD

Built 1929 Load: 26.3 t ADT: 9,505

US 13 BUS SB

Fair

Over: TONYTANK POND

0.34 MILE NORTH OF MD 513, Wicomico, MD

Built 1954 Load: 26.3 t ADT: 11,029

MD 346

Fair

Over: POCOMOKE RIVER

ON WORCESTER CO LINE, Wicomico, MD

Built 1946 Load: 26.3 t ADT: 2,382

MEZICK ROAD

Fair

Over: SHILES CREEK

1 MI EAST MUDDY HOLE RD, Wicomico, MD

Built 1994 Load: 26.3 t ADT: 242

Showing 1,401-1,450 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.