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

MD 136

Fair

Over: BROAD CREEK

1.35 MILES S OF MD 646, Harford, MD

Built 1961 Load: 62.1 t ADT: 7,511

ATHOL AVENUE

Fair

Over: UNNAMED STREAM

0.3 MI E OF LOUDON AVE, Howard, MD

Built 1945 Load: 62.1 t ADT: 680

TACKBROOKE DRIVE

Fair

Over: ROCK CREEK NORTH BRANCH

N OF BOWIE MILL ROAD, Montgomery, MD

Built 2002 Load: 62.1 t ADT: 67

IS 95 OL

Fair

Over: SOUTHWEST BRANCH

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

Built 1964 Load: 62.1 t ADT: 102,413

MUIRKIRK ROAD

Fair

Over: MUIRKIRK BR OF INDIAN CR

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

Built 1969 Load: 62.1 t ADT: 22,647

YELLOWWOOD LANE

Fair

Over: BALD HILL BRANCH

0.2 M W OF LOTTSFORD RD, Prince George's, MD

Built 2000 Load: 62.1 t ADT: 4,503

US 13 NB

Fair

Over: NORFOLK SOUTHERN RR

0.40 MILE NORTH OF MD 364, Somerset, MD

Built 1957 Load: 62.1 t ADT: 16,470

MD 460

Fair

Over: LITTLE ANNEMESSEX RIVER

0.52 MILE WEST OF MD 413, Somerset, MD

Built 1966 Load: 62.1 t ADT: 4,071

MONEY MAKE ROAD

Fair

Over: BOLINGBROKE CREEK

2 MI SE OF TRAPPE, Talbot, MD

Built 2006 Load: 62.1 t ADT: 164

MD 36

Fair

Over: BRADDOCK RUN

0.03 MI S OF US 40L, Allegany, MD

Built 1957 Load: 62.6 t ADT: 10,713

GREEN SPRING ROAD

Fair

Over: C&O CANAL

0.4 miles from MD Route 5, Allegany, MD

Built 1971 Load: 62.6 t ADT: 100

SEVERN AVENUE

Fair

Over: AMTRAK RAILROAD

0.06 MI E OF IS 695, Baltimore, MD

Built 1979 Load: 62.6 t ADT: 1,575

OWINGS MILLS BOULE

Fair

Over: GWYNNS FALLS

1 MI N OF REISTERSTOWN RD, Baltimore, MD

Built 1989 Load: 62.6 t ADT: 29,343

MD 404 BUSINESS

Fair

Over: CHOPTANK RIVER

0.12 M W OFMARKET ST, Caroline, MD

Built 1980 Load: 62.6 t ADT: 2,970

I-95

Fair

Over: STREAM

Milepost M98.6, Cecil, MD

Built 1963 Load: 62.6 t ADT: 89,058

TRAPPE CHURCH ROAD

Fair

Over: HOPKINS BRANCH

1.0 MILES E OF MD 136, Harford, MD

Built 1978 Load: 62.6 t ADT: 441

WEST OLD BALTIMORE

Fair

Over: LITTLE SENECA CREEK

1.0 MILES WEST OF MD 355, Montgomery, MD

Built 1934 Load: 62.6 t ADT: 1,069

BRANCHVILLE ROAD

Fair

Over: INDIAN CREEK

0.16 MI NW OF MD 193, Prince George's, MD

Built 1969 Load: 62.6 t ADT: 1,856

BW PARKWAY

Fair

Over: MD ROUTE 202

0.8 MILES NORTH OF MD ROU, Prince George's, MD

Built 1953 Load: 62.6 t ADT: 80,000

SUITLAND PARKWAY

Fair

Over: ANDREWS AFB ACCESS ROAD

0.1 MILES WEST OF MD ROUT, Prince George's, MD

Built 1944 Load: 62.6 t ADT: 16,750

PEGG ROAD

Fair

Over: BRANCH JARBOESVILLE RUN

0.9 MI SOUTHWEST RT.235, St. Mary's, MD

Built 1995 Load: 62.6 t ADT: 4,891

IS 795 RAMP 'B'

Fair

Over: GWYNNS FALLS

@ IS 795 & IS 695, Baltimore, MD

Built 1984 Load: 63.0 t ADT: 23,650

ON-RAMP NORTHERN P

Fair

Over: JONES FALLS

NORTHRN PKWY RAMP TO I-83, Baltimore city, MD

Built 1959 Load: 63.0 t ADT: 29,900

THURSTON ROAD

Fair

Over: BENNETT CREEK

0.75 MI S OF PETERS RD, Frederick, MD

Built 1964 Load: 63.0 t ADT: 1,632

FOXVLLE DEERFIELD

Fair

Over: OWENS CREEK

0.25 MI NW OF MD 550, Frederick, MD

Built 1978 Load: 63.0 t ADT: 561

WHITE HOUSE ROAD

Fair

Over: SOUTHWEST BRANCH

0.04 MI S OF MD 202, Prince George's, MD

Built 1967 Load: 63.0 t ADT: 13,443

IS 795 SBR

Fair

Over: CSX TRANSPORTATION

0.71 MILE NORTH OF IS 695, Baltimore, MD

Built 1983 Load: 63.5 t ADT: 110,982

COWPENS AVENUE

Fair

Over: MINEBANK RUN

0.11 M N OF CROMWEL BR RD, Baltimore, MD

Built 1968 Load: 63.5 t ADT: 7,165

IS 95 NB

Fair

Over: CSX RR, BERNARD DR

Milepost M51.0, Baltimore city, MD

Built 1976 Load: 63.5 t ADT: 111,060

US 15 NBR

Fair

Over: LITTLE OWENS CREEK

1.74 MILE NORTH OF MD 550, Frederick, MD

Built 1982 Load: 63.5 t ADT: 27,210

S. CARROLL STREET

Fair

Over: CARROLL CREEK

470' SOUTH OF SR 144, Frederick, MD

Built 1991 Load: 63.5 t ADT: 10,130

GRAFTON SHOP ROAD

Fair

Over: BEAR CABIN BRANCH

0.03 MI N OF TIMBERLEA DR, Harford, MD

Built 1977 Load: 63.5 t ADT: 2,765

LAKESIDE DRIVE

Fair

Over: TRIB. TO PATUXENT RIVER

0.2 MI W OF NICHOLS DRIV, Howard, MD

Built 1988 Load: 63.5 t ADT: 340

MD 109

Fair

Over: LITTLE BENNETT CREEK

UNDER IS 270 OVERPASS, Montgomery, MD

Built 1951 Load: 63.5 t ADT: 7,232

GOSHEN ROAD

Fair

Over: WHETSTONE RUN TRIBUTARY

.25 MI N OF MIDCOUNTY HWY, Montgomery, MD

Built 1930 Load: 63.5 t ADT: 26,801

HOPE ROE ROAD

Fair

Over: GERMAN BRANCH

0.1 MI. SW OF MOORES LN, Queen Anne's, MD

Built 1983 Load: 63.5 t ADT: 350

MD 363

Fair

Over: UPPER THOROFARE

0.36 MILE E OF HOTEL RD, Somerset, MD

Built 1987 Load: 63.5 t ADT: 1,322

MD 144WB

Fair

Over: LITTLE TONOLOWAY CREEK

0.01 MILE WEST OF US 522, Washington, MD

Built 1925 Load: 63.5 t ADT: 4,051

CHESAPEAKE CENTER

Fair

Over: BACK CREEK

0.1 MI. S. OF MD 710, Anne Arundel, MD

Built 1991 Load: 63.9 t ADT: 10,047

I-83 NB OFF-RAMP

Fair

Over: 28TH ST AND NS RAILROAD

0.4 MI N OF NORTH AVE, Baltimore city, MD

Built 1959 Load: 63.9 t ADT: 31,200

OLDFIELD POINT RD

Fair

Over: PLUM CREEK

2.5 + S OF ELKTON, Cecil, MD

Built 1986 Load: 63.9 t ADT: 9,301

OLD TELEGRAPH RD

Fair

Over: SANDY BRANCH

0.35 MI S OF BUNKER HI RD, Cecil, MD

Built 2000 Load: 63.9 t ADT: 948

MADONNA ROAD

Fair

Over: LITTLE DEER CREEK

0.3 MILE S OF MT HOREB RD, Harford, MD

Built 1992 Load: 63.9 t ADT: 789

WILDCAT ROAD

Fair

Over: WILDCAT BRANCH

2.4 MI SW OF MD 124, Montgomery, MD

Built 1935 Load: 63.9 t ADT: 431

MD 213

Fair

Over: GRAVEL RUN

0.22 MILE SOUTH OF MD 305, Queen Anne's, MD

Built 1932 Load: 64.2 t ADT: 11,625

OAKLAWN AVENUE

Fair

Over: BRADDOCK RUN

0.20 MI NE OF US 40 ALT, Allegany, MD

Built 1900 Load: 64.4 t ADT: 135

IS 695 RAMP 'A'

Fair

Over: HERBERT RUN

RP 3 TO LEEDS AVE, Baltimore, MD

Built 1957 Load: 64.4 t ADT: 4,779

SINCLAIR LANE

Fair

Over: HERRING RUN

1 MI E ERDMAN AVE, Baltimore city, MD

Built 1958 Load: 64.4 t ADT: 37,800

MARRIOTTSVILLE RD

Fair

Over: PINEY RUN

0.13 MI N HOWARD CO LINE, Carroll, MD

Built 1977 Load: 64.4 t ADT: 12,255

SAVAGE RIVER ROAD

Fair

Over: SAVAGE RIVER

2.1 MI E SPRING LICK RD, Garrett, MD

Built 1976 Load: 64.4 t ADT: 260

Showing 3,251-3,300 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.