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

WOLFSVILLE ROAD

Fair

Over: BEAVER CREEK

0.2 MI S OF MD RTE 844, Washington, MD

Built 1915 Load: 16.7 t ADT: 1,500

RACE ROAD

Fair

Over: STEMMERS RUN

0.14 MI S OF ROSSVIL BLVD, Baltimore, MD

Built 1929 Load: 16.8 t ADT: 1,700

ROSSVILLE BOULEVAR

Fair

Over: BRIEN RUN

0.60 MI S OF US 40, Baltimore, MD

Built 1970 Load: 16.8 t ADT: 22,664

Roberts Mill Road

Fair

Over: Maryland Midland Railway

0.1 MI SE OF MD 194, Carroll, MD

Built 1929 Load: 16.8 t ADT: 1,105

STATION ROAD

Fair

Over: CATOCTIN CREEK

0.5 MI W OF OLD HAGERSTOW, Frederick, MD

Built 1920 Load: 16.8 t ADT: 133

GROVE ROAD

Fair

Over: MILL RUN

0.01 MI S MILL RUN ROAD, Garrett, MD

Built 1986 Load: 16.8 t ADT: 12

FRIENDSHIP ROAD

Fair

Over: OVERSHOT BRANCH

1.0 MILES S OF MD 152, Harford, MD

Built 1975 Load: 16.8 t ADT: 975

MD 674

Fair

Over: GRAYS INN CREEK

0.25 MILE WEST OF MD 20, Kent, MD

Built 1977 Load: 16.8 t ADT: 1,230

OLD MILL ROAD

Fair

Over: OWENS CREEK

0.87 MILES SOUTH OF MD 77, Frederick, MD

Built 1882 Load: 17.2 t ADT: 360

GRIFFITH ROAD

Fair

Over: HAWLINGS RIVER

1 MI W OF JCT SR 650, Montgomery, MD

Built 1920 Load: 17.2 t ADT: 282

MOLLY BERRY ROAD

Fair

Over: MATAPONI CREEK

0.65 MI SW OF MD 382, Prince George's, MD

Built 1967 Load: 17.2 t ADT: 656

MD 45

Fair

Over: WESTERN RUN

0.75 MILE NORTH OF MD 145, Baltimore, MD

Built 1917 Load: 17.7 t ADT: 23,992

JOPPA ROAD

Fair

Over: FORMER HUTZLER'S DEPARTM

E OF DULANEY VALLEY RD, Baltimore, MD

Built 1951 Load: 17.7 t ADT: 27,568

TULSMERE ROAD

Fair

Over: SCOTTS LEVEL BRANCH

0.4 MI S OF WINANDS RD, Baltimore, MD

Built 1969 Load: 17.7 t ADT: 1,844

CLEARWOOD ROAD

Fair

Over: TRIBUTARY TO HERRING RUN

0.20 MI E OF OAKLEIGH RD, Baltimore, MD

Built 1963 Load: 17.7 t ADT: 100

RINEHART ROAD

Fair

Over: BIG PIPE CREEK

0.62 MI N OF SAW MILL RD, Carroll, MD

Built 1961 Load: 17.7 t ADT: 1,030

SLACKS ROAD

Fair

Over: TRIBUTARY OF PINEY RUN

1.06 MI N RAINCLIFFE ROAD, Carroll, MD

Built 1975 Load: 17.7 t ADT: 905

MD 213

Fair

Over: BR OF MORGAN CREEK

0.3 M N OF BIG WOOD ROAD, Kent, MD

Built 1955 Load: 17.7 t ADT: 3,381

MASEMORE ROAD

Fair

Over: GUNPOWDER FALLS

0.6 MI SW BUNKER HILL RD, Baltimore, MD

Built 1898 Load: 18.1 t ADT: 344

JENNINGS ROAD

Fair

Over: SOUTH BRANCH CASSELMAN R

0.06 MI E BEAR HILL RD, Garrett, MD

Built 1917 Load: 18.1 t ADT: 207

East Montgomery Ro

Fair

Over: Rockville Center Multipl

0.5 Miles West of Md. 355, Montgomery, MD

Built 1998 Load: 18.1 t ADT: 500

RODMAN AVENUE

Fair

Over: SHERRICKS RUN

0.16km (0.1 MILES) TO ROH, Washington, MD

Built 1965 Load: 18.1 t ADT: 4,300

GRIMES ROAD

Fair

Over: TOMS CREEK

0.5 MILES S OF SIXES ROAD, Frederick, MD

Built 1914 Load: 18.6 t ADT: 170

SIMPSONS MILL ROAD

Fair

Over: LITTLE PIPE CREEK

1.12 MI N OF GOOD INTENT, Frederick, MD

Built 1890 Load: 18.6 t ADT: 200

SNOWDEN RIVER PARK

Fair

Over: ROBERT FULTON DRIVE

1.0 MI S OF MD RTE 175, Howard, MD

Built 1976 Load: 18.6 t ADT: 35,944

BAYSIDE ROAD

Fair

Over: TANHOUSE CREEK

1.29 MI SW OF MD 365, Worcester, MD

Built 1970 Load: 18.6 t ADT: 240

MAGOTHY BRIDGE RD

Fair

Over: MAGOTHY RIVER

0.84 MI N OF MD 648D, Anne Arundel, MD

Built 1978 Load: 19.0 t ADT: 19,964

BW PARKWAY

Fair

Over: BIG PATUXENT RIVER

0.8 MILES NORTH OF MD ROU, Anne Arundel, MD

Built 1953 Load: 19.0 t ADT: 40,000

MD 147

Fair

Over: BR OF LONG GREEN CREEK

0.46 MI N OF SHARON DR, Baltimore, MD

Built 1916 Load: 19.0 t ADT: 5,752

PRINCIPIO ROAD

Fair

Over: PRINCIPIO CREEK

0.12 MI S OF RED TOAD RD, Cecil, MD

Built 1980 Load: 19.0 t ADT: 834

SIXES BRIDGE ROAD

Fair

Over: MONOCACY RIVER

2.5 MI S OF KEYSVILLE RD, Frederick, MD

Built 1910 Load: 19.0 t ADT: 198

MD 28

Fair

Over: BR OF DRY SENECA CREEK

0.98 MILE WEST OF MD 117, Montgomery, MD

Built 1954 Load: 19.0 t ADT: 5,420

CARDEROCK ACCESS C

Fair

Over: CLARA BARTON PARKWAY

0.7 MILES WEST OF MACARTH, Montgomery, MD

Built 1962 Load: 19.0 t ADT: 2,000

SOUTH PALMER ROAD

Fair

Over: PARKING GARAGE

1 KM W OF RT. 185, Montgomery, MD

Built 1980 Load: 19.3 t ADT: 200

MD 128

Fair

Over: MCGILL RUN

3.00 MI W OF MD 25, Baltimore, MD

Built 1929 Load: 19.5 t ADT: 2,991

OREMS ROAD, SUNNYS

Fair

Over: TRIBUTARY TO BRIEN RUN

0.1 MI NE OF ROSSVILLE BL, Baltimore, MD

Built 1970 Load: 19.5 t ADT: 5,180

BLOOM ROAD

Fair

Over: MORGAN RUN

250 FT S OF SALEM BOTTOM, Carroll, MD

Built 1980 Load: 19.5 t ADT: 520

MD 17

Fair

Over: CATOCTIN CREEK

0.6 M S OF MAERK ROAD, Frederick, MD

Built 1934 Load: 19.5 t ADT: 5,450

MD 978A

Fair

Over: COLLINGTON BRANCH

0.18 MILE WEST OF MD 214, Prince George's, MD

Built 1929 Load: 19.5 t ADT: 2,180

BROWN STATION ROAD

Fair

Over: CABIN BRANCH

1.61 MILES N OF MD 725, Prince George's, MD

Built 1964 Load: 19.5 t ADT: 8,974

FLORAL DRIVE

Fair

Over: PAINT BRANCH

0.1 MILES NE N AVE, Prince George's, MD

Built 1975 Load: 19.8 t ADT: 250

WINDY RIDGE DRIVE

Fair

Over: JENNINGS RUN

1.3 MI W OF MD 35, Allegany, MD

Built 1959 Load: 20.0 t ADT: 10

STRATHMORE AVENUE

Fair

Over: WESTERN RUN

0.1 MI N CROSS COUNTRY BL, Baltimore city, MD

Built 1955 Load: 20.0 t ADT: 15,199

OVERHILL ROAD

Fair

Over: STONY RUN

OVERHILL RD OV STONY RUN, Baltimore city, MD

Built 1930 Load: 20.0 t ADT: 11,921

MD 27

Fair

Over: MARYLAND MIDLAND RR

.12 MILE SOUTH OF MD 852G, Carroll, MD

Built 1959 Load: 20.0 t ADT: 18,790

BABYLON ROAD

Fair

Over: SILVER RUN

0.05 MI N OF MAYBERRY RD, Carroll, MD

Built 1960 Load: 20.0 t ADT: 117

MD 272 SB

Fair

Over: NORTHEAST CREEK

0.1 MILE NORTH OF MD 7C, Cecil, MD

Built 1945 Load: 20.0 t ADT: 6,302

CLARA BARTON PARKW

Fair

Over: CABIN JOHN CREEK & CABIN

1.6 MILES SOUTH OF I-495., Montgomery, MD

Built 1963 Load: 20.0 t ADT: 16,120

MD ROUTE 193

Fair

Over: BW PARKWAY

0.4 MILES NORTH OF I-95, Prince George's, MD

Built 1964 Load: 20.0 t ADT: 24,700

BW PARKWAY (SBL)

Fair

Over: ACCESS RAMP TO BW PARKWA

0.6 MILES SOUTH OF MD ROU, Prince George's, MD

Built 1954 Load: 20.0 t ADT: 34,075

Showing 1,201-1,250 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.