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

MCDONOGH ROAD

Fair

Over: CSX TRANSPORTATION

0.06 MILE WEST OF IS 795, Baltimore, MD

Built 1941 Load: 43.1 t ADT: 13,380

POCOCK ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

0.6 MI E HESS ROAD, Baltimore, MD

Built 1978 Load: 43.1 t ADT: 230

CORBETT ROAD

Fair

Over: TRIBUTARY TO GUNPOWDER F

1.1 MILES EAST OF MD 45, Baltimore, MD

Built 1922 Load: 43.1 t ADT: 720

I-95

Fair

Over: LITTLE GUNPOWDER FALLS

BALTIMORE-HARFORD CO LINE, Baltimore, MD

Built 1963 Load: 43.1 t ADT: 178,830

EAGER STREET

Fair

Over: CENTRAL BOOKING PARKING

0.2 MI E OF GREENMOUNT AV, Baltimore city, MD

Built 1913 Load: 43.1 t ADT: 2,382

IS 95 SB

Fair

Over: GUSRYAN STREET

500 FT S OF DUNDALK AVE, Baltimore city, MD

Built 1976 Load: 43.1 t ADT: 76,836

WARBURTON ROAD

Fair

Over: LITTLE NORTHEAST CREEK

1.39 MILES NE OF MD 272, Cecil, MD

Built 1994 Load: 43.1 t ADT: 3,672

MD 6

Fair

Over: ZEKIAH SWAMP

0.09 M W OF BR NO 0800600, Charles, MD

Built 1933 Load: 43.1 t ADT: 9,300

MD 16

Fair

Over: PARSONS CREEK

1.28 M N OF SMITHVILLE RD, Dorchester, MD

Built 2005 Load: 43.1 t ADT: 652

MD 335

Fair

Over: BLACKWATER RIVER

4.86 MILE NORTH OF MD 336, Dorchester, MD

Built 1991 Load: 43.1 t ADT: 1,381

US 40 ALT

Fair

Over: CASSELMAN RIVER

0.82 MILE EAST OF MD 495, Garrett, MD

Built 1932 Load: 43.1 t ADT: 3,841

OAKLAND-SANG RUN R

Fair

Over: FORK RUN

0.05 MI N HOYES RUN RD, Garrett, MD

Built 2005 Load: 43.1 t ADT: 454

TOLLGATE ROAD

Fair

Over: HEAVENLY WATERS

0.6 MILES W OF BUS US 1, Harford, MD

Built 2000 Load: 43.1 t ADT: 8,025

EDGEWOOD ROAD

Fair

Over: OTTER POINT CREEK (S)

0.4 MILES S OF MD 7, Harford, MD

Built 1987 Load: 43.1 t ADT: 9,554

MD 185

Fair

Over: PROPOSED ROADWAY

0.92 MILE SOUTH OF MD 97, Montgomery, MD

Built 1968 Load: 43.1 t ADT: 36,532

MD 117

Fair

Over: GREAT SENECA CREEK

1.82 MILES EAST OF MD 118, Montgomery, MD

Built 1951 Load: 43.1 t ADT: 18,752

PARTNERSHIP RD

Fair

Over: RUSSELL BRANCH

1.2 MI S OF JCT SR 107, Montgomery, MD

Built 1920 Load: 43.1 t ADT: 2,174

SCOTT DRIVE

Fair

Over: WATTS BRANCH

0.1 MI W OF WOOTTON PKWY, Montgomery, MD

Built 1990 Load: 43.1 t ADT: 3,921

BRINKLEY ROAD

Fair

Over: HENSON CREEK & HENSON CR

0.21 MI NE OF ROBERTS DR, Prince George's, MD

Built 2012 Load: 43.1 t ADT: 21,647

MD 4

Fair

Over: KINGSTON CREEK

2.07 MILES N OF MD 235, St. Mary's, MD

Built 1980 Load: 43.1 t ADT: 26,801

IS 70 EB

Fair

Over: NORFOLK SOUTHERN RR

0.35 MILE EAST OF US 11, Washington, MD

Built 1965 Load: 43.1 t ADT: 38,145

IS 70 WB

Fair

Over: NORFOLK SOUTHERN RR

0.35 MILE EAST OF US 11, Washington, MD

Built 1965 Load: 43.1 t ADT: 34,890

KING ROAD

Fair

Over: TRIBUTARY OF LITTLE ANTI

0.1 MI S OF MD RTE 34, Washington, MD

Built 1992 Load: 43.1 t ADT: 844

MD 935

Fair

Over: BUTCHER RUN

0.03 M N OF BARTLETT ST, Allegany, MD

Built 1930 Load: 43.5 t ADT: 1,430

IS 68 RAMP 'D'(5)

Fair

Over: CENTRE STREET

0.52 MI E OF US 48H, Allegany, MD

Built 1968 Load: 43.5 t ADT: 14,023

MD 135D, W VA 46

Fair

Over: N BRANCH POTOMAC RIVER

ON WEST VIRGINIA LINE, Allegany, MD

Built 1985 Load: 43.5 t ADT: 4,527

HENDERSON AVENUE

Fair

Over: FRANKLIN STREET & CSX RR

0.14 MI. E. OF NATL HWY S, Allegany, MD

Built 1932 Load: 43.5 t ADT: 19,319

IS 595

Fair

Over: ADMIRAL DRIVE

0.39 MILE EAST OF MD 2, Anne Arundel, MD

Built 1953 Load: 43.5 t ADT: 123,940

WOOD BRIDGE ROAD

Fair

Over: TRIBUTARY TO BELL BRANCH

60 FT S OF BELL BRANCH RD, Anne Arundel, MD

Built 1994 Load: 43.5 t ADT: 193

MD 695 OL

Fair

Over: AMTRAK

0.08 MI N OF US 40, Baltimore, MD

Built 1973 Load: 43.5 t ADT: 36,361

MD 695 IL

Fair

Over: AMTRAK

0.22 MI N OF MD 702, Baltimore, MD

Built 1973 Load: 43.5 t ADT: 36,361

MONKTON ROAD

Fair

Over: GUNPOWDER FALLS

0.6 MI E OF PINEY HILL RD, Baltimore, MD

Built 1975 Load: 43.5 t ADT: 3,850

EBENEZER ROAD

Fair

Over: EASTERN AVENUE

EBENZER AT EASTERN AVENUE, Baltimore, MD

Built 1982 Load: 43.5 t ADT: 11,600

IS 95 RAMP G

Fair

Over: MIDDLE BR, I 95 RAMP D

0.3 MI E RUSSELL ST, Baltimore city, MD

Built 1977 Load: 43.5 t ADT: 34,476

CLEAR VIEW ROAD

Fair

Over: MEADOW BRANCH

1.15 MILES S OF MD 832, Carroll, MD

Built 1984 Load: 43.5 t ADT: 192

SHILOH ROAD

Fair

Over: EAST BRANCH PATAPSCO RIV

0.05 MI W OF BRODBECK RD, Carroll, MD

Built 1969 Load: 43.5 t ADT: 1,327

GREEN STREET

Fair

Over: MD MIDLAND RAILWAY

WESTMINSTER, MD, Carroll, MD

Built 1923 Load: 43.5 t ADT: 7,436

MD 6

Fair

Over: ZEKIAH SWAMP

0.04 M E OF BR NO 0800600, Charles, MD

Built 1929 Load: 43.5 t ADT: 12,432

LILY PONS ROAD

Fair

Over: MONOCACY RIVER

1 MI E OF MD RTE 85, Frederick, MD

Built 1977 Load: 43.5 t ADT: 610

BETHEL ROAD

Fair

Over: FISHING CREEK

AT FISH HATCHERY RD INT, Frederick, MD

Built 1961 Load: 43.5 t ADT: 2,050

IS 68 EB

Fair

Over: SAND SPRING RD

0.66 MILE EAST OF W VA, Garrett, MD

Built 1975 Load: 43.5 t ADT: 15,710

US 40

Fair

Over: CRANBERRY RUN

0.32 MILE EAST OF MD 159, Harford, MD

Built 1935 Load: 43.5 t ADT: 34,600

FONT HILL DRIVE

Fair

Over: BR. LITTLE PATUXENT RIVE

AT FONT HILL PARK, Howard, MD

Built 1969 Load: 43.5 t ADT: 3,293

MD 191

Fair

Over: CABIN JOHN CREEK

0.96 MILE SOUTH OF IS 495, Montgomery, MD

Built 1991 Load: 43.5 t ADT: 8,530

IS 270

Fair

Over: MIDDLEBROOK ROAD

0.77 MILE SOUTH OF MD 118, Montgomery, MD

Built 1990 Load: 43.5 t ADT: 133,720

IS 495

Fair

Over: POTOMAC RIVER

ON VIRGINIA LINE, Montgomery, MD

Built 1963 Load: 43.5 t ADT: 239,022

AMBLESIDE DRIVE

Fair

Over: WATTS BRANCH

0.6 MI NORTH OF GLEN ROAD, Montgomery, MD

Built 1970 Load: 43.5 t ADT: 2,418

US 1 SB

Fair

Over: NORTHWEST BRANCH

0.68 MILE NORTH OF MD 208, Prince George's, MD

Built 1969 Load: 43.5 t ADT: 9,008

MD 450

Fair

Over: BALD HILL BRANCH

0.38 MILE EAST OF MD 564, Prince George's, MD

Built 1968 Load: 43.5 t ADT: 24,890

BEAVER ROAD

Fair

Over: BEAVERDAM CREEK

.14 M N OF COLUMBIA PK RD, Prince George's, MD

Built 1967 Load: 43.5 t ADT: 1,212

Showing 2,551-2,600 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.