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

5TH STREET

Fair

Over: TRIB TO PATUXENT RIVER

0.2 MI SOUTH OF MD 198 EB, Prince George's, MD

Built 1950 Load: 43.5 t ADT: 960

US 301 NB

Fair

Over: UNICORN BRANCH

0.48 M S OF KENT CO LINE, Queen Anne's, MD

Built 1955 Load: 43.5 t ADT: 10,370

CATHELL ROAD

Fair

Over: PASSERDYKE CREEK

ON WICOMICO CO LINE, Somerset, MD

Built 1996 Load: 43.5 t ADT: 12

MD 68

Fair

Over: CONOCOCHEAGUE CREEK

0.20 MILE WEST OF US 11, Washington, MD

Built 1829 Load: 43.5 t ADT: 4,532

US 13 SB

Fair

Over: WAGRAM CREEK

0.56 M N OF VA STATE LINE, Worcester, MD

Built 1945 Load: 43.5 t ADT: 12,933

MD 956

Fair

Over: CSX TRANSPORTATION

0.18 MI W OF W VA LINE, Allegany, MD

Built 1967 Load: 44.0 t ADT: 7,151

IS 195 WBR

Fair

Over: AMTRAK, PATAPSCO RIVER

0.96 MI E OF MD 295, Anne Arundel, MD

Built 1990 Load: 44.0 t ADT: 39,015

MD 125

Fair

Over: PATAPSCO RIVER

AT HOWARD COUNTY LINE, Baltimore, MD

Built 1982 Load: 44.0 t ADT: 5,551

MD 147

Fair

Over: LONG GREEN CREEK

0.02 MI N OF HARTLEY MILL, Baltimore, MD

Built 1915 Load: 44.0 t ADT: 5,752

ROLLING ROAD

Fair

Over: CSX TRANSPORTATION

.26 MI. N. OF I-95 & US 1, Baltimore, MD

Built 1931 Load: 44.0 t ADT: 39,381

IS 795 RAMP 'G'

Fair

Over: MTA METRO

@ METRO, Baltimore, MD

Built 1983 Load: 44.0 t ADT: 37,780

BRAND AVE

Fair

Over: JONES FALLS

0.03 MI N COLD SPRING LA, Baltimore city, MD

Built 1973 Load: 44.0 t ADT: 140

IS 95 RAMP D

Fair

Over: MIDDLE BR, LIGHT RAIL

0.6 MI E RUSSELL ST, Baltimore city, MD

Built 1979 Load: 44.0 t ADT: 15,504

KEYSVILLE-FREDERIC

Fair

Over: MONOCACY RIVER

ON FRED CO LINE, Carroll, MD

Built 1900 Load: 44.0 t ADT: 260

US 1

Fair

Over: STONE RUN

0.35 MILE NORTH OF MD 276, Cecil, MD

Built 1956 Load: 44.0 t ADT: 7,802

US 50 EB

Fair

Over: BIG MILL POND

3.21 MILES WEST OF MD 331, Dorchester, MD

Built 1967 Load: 44.0 t ADT: 23,981

PROVINCIAL PARKWAY

Fair

Over: FLAT RUN

AT N SETON AVE INTERSECTN, Frederick, MD

Built 1991 Load: 44.0 t ADT: 953

US 1 ALT

Fair

Over: ANACOSTIA RIVER

0.05 MILE SOUTH OF MD 450, Prince George's, MD

Built 1955 Load: 44.0 t ADT: 22,252

MD 381

Fair

Over: SWANSON CREEK

ON CHARLES CO LINE, Prince George's, MD

Built 1933 Load: 44.0 t ADT: 6,020

BROOKS DRIVE

Fair

Over: OXON RUN

0.18 MILES NORTH OF MD 4, Prince George's, MD

Built 1965 Load: 44.0 t ADT: 16,037

MD 300

Fair

Over: UNICORN BRANCH

1.4 MILES EAST OF MD 313, Queen Anne's, MD

Built 1939 Load: 44.0 t ADT: 2,461

BLANCO ROAD

Fair

Over: ANDOVER BRANCH

0.8 MI E BOLTON WOODS RD, Queen Anne's, MD

Built 1994 Load: 44.0 t ADT: 676

MD 6

Fair

Over: LOCKS SWAMP CREEK

0.1 M W OF LAUREL VIEW LN, St. Mary's, MD

Built 1930 Load: 44.0 t ADT: 1,951

MD 33

Fair

Over: OAK CREEK

0.64 MILE EAST OF MD 329, Talbot, MD

Built 1965 Load: 44.0 t ADT: 15,421

US 113 NB

Fair

Over: PILCHARD CREEK

0.68 MILE N OF MD 756, Worcester, MD

Built 1912 Load: 44.0 t ADT: 5,662

HARRISON ROAD

Fair

Over: TRAPPE CREEK

0.07 MI S OF MD 376, Worcester, MD

Built 2005 Load: 44.0 t ADT: 313

US 1

Fair

Over: AMMENDALE BRANCH

154' S of Ammendale Road, Prince George's, MD

Built 2016 Load: 44.1 t ADT: 32,400

MD 100 WBR

Fair

Over: JUMPERS HOLE ROAD

0.67 MILE EAST OF MD 2, Anne Arundel, MD

Built 1971 Load: 44.4 t ADT: 26,792

US 40

Fair

Over: CSX TRANSPORTATION

0.45 MI W OF MD 700, Baltimore, MD

Built 1990 Load: 44.4 t ADT: 47,120

IS 695 RAMP '2'

Fair

Over: WHITEMARSH BRANCH

0.02 MI N OF MD 147, Baltimore, MD

Built 1961 Load: 44.4 t ADT: 8,511

MD 702 WBR

Fair

Over: FORCE MAIN

0.03 MILE EAST OF MD 695, Baltimore, MD

Built 1972 Load: 44.4 t ADT: 19,406

MD 43

Fair

Over: BRANCH OF WHITEMARSH RUN

1.04 MILE WEST OF IS 95, Baltimore, MD

Built 1990 Load: 44.4 t ADT: 29,352

BLUE MOUNT ROAD

Fair

Over: LITTLE FALLS

1.7 MI E OF MONKTON ROAD, Baltimore, MD

Built 1995 Load: 44.4 t ADT: 854

BEACONSFIELD DRIVE

Fair

Over: BRANCH OF WHITE MARSH RU

0.1 MI E. HONEYGO BLVD., Baltimore, MD

Built 1986 Load: 44.4 t ADT: 9,681

IS 95 NB

Fair

Over: MTA LIGHT RAIL AND STORA

MTA LGTRail&Storage Yard, Baltimore city, MD

Built 1977 Load: 44.4 t ADT: 49,255

IS 95 SB

Fair

Over: MIDDLE BRANCH

0.6 MI. E. OF RUSSELL ST., Baltimore city, MD

Built 1979 Load: 44.4 t ADT: 68,141

CHANEYVILLE ROAD

Fair

Over: GRAHAM CREEK

0.35 MI N OF MD 262, Calvert, MD

Built 2009 Load: 44.4 t ADT: 433

TUCKAHOE ROAD

Fair

Over: TRIBUTARY TO TUCKAHOE CR

2.5 MILES SOUTH OF MD 404, Caroline, MD

Built 2003 Load: 44.4 t ADT: 805

MD 272

Fair

Over: CSX TRANS.

0.7 MILE NORTH OF US 40, Cecil, MD

Built 1941 Load: 44.4 t ADT: 22,632

MD 140

Fair

Over: MIDDLE CREEK

0.72 MI S OF MD 904G, Frederick, MD

Built 1932 Load: 44.4 t ADT: 4,480

GREEN ROAD

Fair

Over: TRIB OF DEER CREEK

0.02 M E OF LONG CORNER R, Harford, MD

Built 1999 Load: 44.4 t ADT: 170

US 29 NB

Fair

Over: MIDDLE PATUXENT RIVER

1.05 MILES SOUTH OF MD 32, Howard, MD

Built 1951 Load: 44.4 t ADT: 52,913

SNOWDEN RIVER PARK

Fair

Over: ROBERT FULTON DRIVE

1.0 MI S OF MD RTE 175, Howard, MD

Built 1975 Load: 44.4 t ADT: 35,944

US 29 NB

Fair

Over: PAINT BRANCH

0.87 MILE NORTH OF MD 650, Montgomery, MD

Built 1957 Load: 44.4 t ADT: 66,948

US 29 SB

Fair

Over: PAINT BRANCH

0.87 MILE NORTH OF MD 650, Montgomery, MD

Built 1957 Load: 44.4 t ADT: 66,948

MD 218

Fair

Over: OXON RUN

0.15 MI E OF WASH DC LINE, Prince George's, MD

Built 1941 Load: 44.4 t ADT: 9,011

MD 144WB

Fair

Over: TONOLOWAY CREEK

0.69 MILE WEST OF IS 70, Washington, MD

Built 1940 Load: 44.4 t ADT: 8,201

IS 70 EB

Fair

Over: CSX TRANS.

0.18 MILE EAST OF MD 65, Washington, MD

Built 1968 Load: 44.7 t ADT: 60,800

IS 68 RAMP 'A'(8)

Fair

Over: MECHANIC STREET

0.44 MI E OF US 48H, Allegany, MD

Built 1968 Load: 44.9 t ADT: 11,995

VETERNS HIGHWAY

Fair

Over: SEVERN RUN

0.76 MI N OF MD 178A, Anne Arundel, MD

Built 1933 Load: 44.9 t ADT: 8,680

Showing 2,601-2,650 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.