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

QUARRY ROAD

Fair

Over: TRIBUTARY TO DEEP CREEK

0.2 MI NORTH OF RTE 219, Garrett, MD

Built 2007 Load: 51.7 t ADT: 115

MD 190

Fair

Over: CABIN JOHN CREEK

0.74 MILE EAST OF MD 191, Montgomery, MD

Built 1974 Load: 51.7 t ADT: 22,022

PERSIMMON TREE ROA

Fair

Over: CONGRESSIONAL CC UNDERPA

0.4 MI N OF I-495, Montgomery, MD

Built 1977 Load: 51.7 t ADT: 2,685

MD 214

Fair

Over: HONEY BRANCH

0.59 M W OF AA CO LINE, Prince George's, MD

Built 1947 Load: 51.7 t ADT: 10,771

ODELL ROAD

Fair

Over: INDIAN CREEK

0.12 MILES WEST OF MD 201, Prince George's, MD

Built 2000 Load: 51.7 t ADT: 2,036

BW PARKWAY (RAMP C

Fair

Over: MD ROUTE 197 (EBL)

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

Built 2001 Load: 51.7 t ADT: 20,000

IS 70 EB

Fair

Over: NORFOLK & SOUTHERN RR

0.52 MILE EAST OF MD 632, Washington, MD

Built 1968 Load: 51.7 t ADT: 33,892

IS 70 WB

Fair

Over: NORFOLK SOUTHERN RAILROA

0.52 MILE EAST OF MD 632, Washington, MD

Built 1968 Load: 51.7 t ADT: 34,890

RIVER PARK ROAD

Fair

Over: C&O CANAL

Route 68 to Salisbury Str, Washington, MD

Built 1879 Load: 51.7 t ADT: 200

MD 25

Fair

Over: JONES FALLS

0.33 MILE SOUTH OF MD 25A, Baltimore, MD

Built 1973 Load: 52.2 t ADT: 9,121

MAYFIELD AVENUE

Fair

Over: DEEP RUN

0.2 MI W OF MD RTE 103, Howard, MD

Built 1945 Load: 52.2 t ADT: 5,788

INDIANOLA DRIVE

Fair

Over: CSXT RR & WMATA METRO

1 MI E OF MD RTE 355, Montgomery, MD

Built 1981 Load: 52.2 t ADT: 1,075

COLUMBIA PARK ROAD

Fair

Over: BEAVERDAM CREEK

0.17 MI E OF US 50, Prince George's, MD

Built 1977 Load: 52.2 t ADT: 43,372

US 301 SB

Fair

Over: UNICORN BRANCH

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

Built 1967 Load: 52.2 t ADT: 10,370

HALFWAY BOULEVARD

Fair

Over: UNDERPASS WAY-VALLEY MAL

0.32 MI E OF I 81, Washington, MD

Built 1971 Load: 52.2 t ADT: 16,373

WILSON BOULEVARD

Fair

Over: NORFOLK SOUTHERN RAILROA

150 FT W OF VIRGINIA AVE, Washington, MD

Built 1983 Load: 52.2 t ADT: 9,800

RIVERSIDE DRIVE

Fair

Over: TONY TANK CREEK

.75 MI S SALSBRY CTY LINE, Wicomico, MD

Built 1999 Load: 52.2 t ADT: 3,565

PITTSBURGH PG ROAD

Fair

Over: CSXT / LOCKHOUSE RD

0.23 MI NW OF MD 51, Allegany, MD

Built 1957 Load: 52.6 t ADT: 2,085

IS 595

Fair

Over: SOUTH RIVER

0.94 M W OF BR NO 0203100, Anne Arundel, MD

Built 1950 Load: 52.6 t ADT: 101,670

CARROLL ISLAND ROA

Fair

Over: SALTPETER CREEK

2.4 MI E EASTERN AVE, Baltimore, MD

Built 1960 Load: 52.6 t ADT: 10

PADONIA ROAD

Fair

Over: MTA LIGHT RAIL

0.4 MI W OF YORK RD, Baltimore, MD

Built 1961 Load: 52.6 t ADT: 40,537

NB I83 TO EB NPKWY

Fair

Over: JONES FALLS

NB I-83 OFF RAMP, Baltimore city, MD

Built 1959 Load: 52.6 t ADT: 25,771

UNION AVENUE

Fair

Over: JONES FALLS

0.2 MI S 41ST ST, Baltimore city, MD

Built 1960 Load: 52.6 t ADT: 4,766

I-895

Fair

Over: MDTA BHT MAINTENANCE FAC

Milepost M8.06, Baltimore city, MD

Built 1957 Load: 52.6 t ADT: 82,953

MD 313

Fair

Over: CHAPEL BRANCH

0.5 MILE NORTH OF MD 317, Caroline, MD

Built 1954 Load: 52.6 t ADT: 7,160

WOODBINE ROAD

Fair

Over: SOUTH BRANCH PATAPSCO RI

ON HOWARD CO LINE, Carroll, MD

Built 1976 Load: 52.6 t ADT: 8,182

LEEDS ROAD

Fair

Over: LITTLE ELK CREEK

0.5 MI NE OF MD 545, Cecil, MD

Built 1967 Load: 52.6 t ADT: 2,203

MD 77

Fair

Over: HUNTING CREEK

0.29 MILE WEST OF US 15, Frederick, MD

Built 1970 Load: 52.6 t ADT: 4,351

US 15 NBR

Fair

Over: TOMS CREEK

0.65 MILE N OF US 15BU, Frederick, MD

Built 1980 Load: 52.6 t ADT: 18,340

MD 333

Fair

Over: PEACHBLOSSOM CREEK

1.95 MILES S OF MD 322, Talbot, MD

Built 1997 Load: 52.6 t ADT: 7,672

WATERCLIFF STREET

Fair

Over: HILL RUN

0.01 MI S OF WATER STA RD, Allegany, MD

Built 1955 Load: 53.1 t ADT: 161

IS 795 NBR

Fair

Over: GWYNNS FALLS

0.32 MILE NORTH OF IS 695, Baltimore, MD

Built 1984 Load: 53.1 t ADT: 110,982

NORTH WIND ROAD

Fair

Over: JENNIFER BRANCH

0.6 MI E HARFORD RD, Baltimore, MD

Built 1973 Load: 53.1 t ADT: 11,862

I-83 SOUTHBOUND

Fair

Over: CENTRE STREET & MADISON

0.1 MI N OF ORLEANS ST, Baltimore city, MD

Built 1976 Load: 53.1 t ADT: 77,003

BLOOMINGDALE ROAD

Fair

Over: CSX

BLOOMINGDALE RD OVER CSX, Baltimore city, MD

Built 1990 Load: 53.1 t ADT: 7,443

JANNEY STREET

Fair

Over: EASTERN AVENUE

EASTERN AV UNDR JANNEY ST, Baltimore city, MD

Built 1930 Load: 53.1 t ADT: 36,467

MD 313

Fair

Over: CHOPTANK RIVER

0.32 MILE NORTH OF MD 314, Caroline, MD

Built 1949 Load: 53.1 t ADT: 8,230

IS 68

Fair

Over: BUFFALO RUN

1.27 MILES E OF W VA, Garrett, MD

Built 1975 Load: 53.1 t ADT: 14,341

MD 24

Fair

Over: BR OF DEER CREEK

0.09 M N OF COEN ROAD, Harford, MD

Built 1986 Load: 53.1 t ADT: 3,193

WATERSVILLE ROAD

Fair

Over: HAY MEADOW BRANCH

1 MI N OLD FREDERICK RD, Howard, MD

Built 1935 Load: 53.1 t ADT: 539

RILEYS NECK ROAD

Fair

Over: TRIB. TO CYPRESS CREEK

0.05 MI N OF MD RTE 291, Kent, MD

Built 1992 Load: 53.1 t ADT: 114

IS 495X SB

Fair

Over: CABIN JOHN CREEK

0.02 MILE SOUTH OF GV 6, Montgomery, MD

Built 1964 Load: 53.1 t ADT: 22,160

PEACH ORCHARD ROAD

Fair

Over: PAINT BRANCH

.5 M N OF BRIGGS CHANEY R, Montgomery, MD

Built 1990 Load: 53.1 t ADT: 3,677

BRIGHTON DAM ROAD

Fair

Over: BRIGHTON DAM & TRIADELPH

1 MILE EAST OF MD 650, Montgomery, MD

Built 1944 Load: 53.1 t ADT: 7,106

US 301 SB

Fair

Over: CHESTER RIVER

ON KENT CO LINE, Queen Anne's, MD

Built 1967 Load: 53.1 t ADT: 10,370

MD 333

Fair

Over: TRIPPE CREEK

0.67 M N OF SPRING ROAD, Talbot, MD

Built 1998 Load: 53.1 t ADT: 7,672

PLANTATION DRIVE

Fair

Over: TRIBUTARY OF ANTIETAM CR

0.5 MI N OF EAST RIDGE DR, Washington, MD

Built 1996 Load: 53.1 t ADT: 1,136

BURHANS BOULEVARD

Fair

Over: NORFOLK SOUTHERN RAILROA

0.47 MI N OF VIRGINIA AVE, Washington, MD

Built 1962 Load: 53.1 t ADT: 11,223

BRIDGE STREET

Fair

Over: BARREN CREEK

0.13 MI N OF ATHOL ROAD, Wicomico, MD

Built 1972 Load: 53.1 t ADT: 792

ON RAMP 29TH STREE

Fair

Over: I-83 NB

29TH ST AT I-83, Baltimore city, MD

Built 1959 Load: 53.5 t ADT: 19,035

Showing 2,951-3,000 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.