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%.

Condition Distribution

Maryland32.7%62%GoodFairPoor
Bridge inventory deck-condition mix - Maryland (FHWA NBI)

Counties (24)

Allegany 245 Anne Arundel 395 Baltimore 787 Baltimore city 380 Calvert 33 Caroline 70 Carroll 205 Cecil 194 Charles 94 Dorchester 47 Frederick 491 Garrett 139 Harford 275 Howard 310 Kent 44 Montgomery 522 Prince George's 582 Queen Anne's 88 Somerset 46 St. Mary's 50 Talbot 42 Washington 301 Wicomico 100 Worcester 82

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.

OLD SELBYSPORT RD

Poor

Over: BEAR CREEK

0.01 MI N OF WALNUT ST, Garrett, MD

Built 1920 Load: 2.7 t ADT: 30

ZION ROAD

Poor

Over: HAWLINGS RIVER

2.8 MILES NORTH OF MD 108, Montgomery, MD

Built 1930 Load: 4.5 t ADT: 2,440

ROXBURY ROAD

Poor

Over: BEAVER CREEK

0.1 MI W OF ALT US RTE 40, Washington, MD

Built 1920 Load: 7.3 t ADT: 533

TUFTON AVENUE

Poor

Over: WATERSPOUT RUN

2.63 MI. WEST MD 25, Baltimore, MD

Built 1920 Load: 7.7 t ADT: 7,735

MOHRS LANE

Poor

Over: CSX RAILROAD

0.1 MI NW OF US RTE 40, Baltimore, MD

Built 1912 Load: 9.1 t ADT: 1,600

OLD MONTGOMERY RD

Poor

Over: LITTLE PATUXENT RIVER

0.5 MI W OF US RTE 29, Howard, MD

Built 1935 Load: 10.0 t ADT: 10

All Bridges in Maryland

GWYNN OAK AVENUE

Fair

Over: GWYNNS FALLS

0.29 MI W OF BALT CITY, Baltimore, MD

Built 1900 Load: 32.7 t ADT: 20,280

MD 144

Fair

Over: PATAPSCO RIVER

ON HOWARD CO LINE, Baltimore, MD

Built 1914 Load: 32.7 t ADT: 10,511

MD 147

Fair

Over: HAYSTACK BRANCH

1.01 MI S OF MT VISTA RD, Baltimore, MD

Built 1915 Load: 32.7 t ADT: 5,752

YORK ROAD

Fair

Over: LITTLE FALLS

0.07 MI S OF MD 45, Baltimore, MD

Built 1809 Load: 32.7 t ADT: 499

MD 746A

Fair

Over: JONES FALLS

0.09 MILE NORTH OF MD 25, Baltimore, MD

Built 1992 Load: 32.7 t ADT: 220

MD 122

Fair

Over: BRANCH OF DEAD RUN

0.55 MILE EAST OF IS 695, Baltimore, MD

Built 1961 Load: 32.7 t ADT: 34,910

DARK HOLLOW ROAD

Fair

Over: LITTLE PINEY RUN

1.2 MI N OF DOVER ROAD, Baltimore, MD

Built 1925 Load: 32.7 t ADT: 382

RIDGE ROAD

Fair

Over: BENS RUN

0.2 MI S OF KRATZ LA, Baltimore, MD

Built 1920 Load: 32.7 t ADT: 3,923

BELMONT AVENUE

Fair

Over: DELAWARE RUN

0.59 MI S OF MD 128, Baltimore, MD

Built 1940 Load: 32.7 t ADT: 900

HUTCHINS MILL ROAD

Fair

Over: NELSON BRANCH

0.41 MI N OF HESS RD, Baltimore, MD

Built 1920 Load: 32.7 t ADT: 135

MANOR ROAD

Fair

Over: SAWMILL BRANCH

1.1 MI S OF JARRETTSV. PK, Baltimore, MD

Built 1962 Load: 32.7 t ADT: 4,207

CINDER ROAD

Fair

Over: SPRING BRANCH

0.88 MI E OF MD 45, Baltimore, MD

Built 1959 Load: 32.7 t ADT: 1,134

ELM ROAD

Fair

Over: WEST BRANCH HERBERT RUN

0.08 MI W OF OREGON AVE, Baltimore, MD

Built 1953 Load: 32.7 t ADT: 2,600

GWYNN OAK AVENUE

Fair

Over: DEAD RUN

0.05 MI S OF DOGWOOD RD, Baltimore, MD

Built 1956 Load: 32.7 t ADT: 6,000

SULPHUR SPRING ROA

Fair

Over: WEST BRANCH HERBERT RUN

0.40 MI W OF US 1, Baltimore, MD

Built 1959 Load: 32.7 t ADT: 4,355

TOWSONTOWN BOULEVA

Fair

Over: TOWSON RUN

0.15 MI E OF MD 139, Baltimore, MD

Built 1964 Load: 32.7 t ADT: 34,307

REGESTER AVENUE

Fair

Over: HERRING RUN

0.25 MI W OF MD 542, Baltimore, MD

Built 1965 Load: 32.7 t ADT: 2,765

SPARKS ROAD

Fair

Over: TRIBUTARY TO CARROLL BRA

0.3 MI W OF CARROLL RD, Baltimore, MD

Built 1990 Load: 32.7 t ADT: 2,525

SCOTT ADAM ROAD

Fair

Over: TRIBUTARY OF BEAVER DAM

0.09 MI E OF MD 45, Baltimore, MD

Built 1965 Load: 32.7 t ADT: 2,200

EAST HOMBERG AVENU

Fair

Over: TRIBUTARY TO DEEP CREEK

50 FT. SW. OF MD RTE 702, Baltimore, MD

Built 1975 Load: 32.7 t ADT: 2,638

WALTHER BOULEVARD

Fair

Over: WHITE MARSH RUN

0.6 MI E. EX. 31C I-695, Baltimore, MD

Built 1990 Load: 32.7 t ADT: 11,638

McDONOGH ROAD

Fair

Over: GWYNNS FALLS

0.15 MI W OF IS 795, Baltimore, MD

Built 1941 Load: 32.7 t ADT: 16,775

PRETTYBOY DAM ROAD

Fair

Over: PRETTYBOY RESERVOIR

2.6 MI N MOUNT CARMEL RD, Baltimore, MD

Built 1932 Load: 32.7 t ADT: 400

MILFORD MILL EAST

Fair

Over: TRIB OF GWYNNS FALLS

MILFORD MILL METRO, Baltimore, MD

Built 1986 Load: 32.7 t ADT: 300

I-95

Fair

Over: HONEYGO RUN

0.6 MI N OF MD 43, Baltimore, MD

Built 1963 Load: 32.7 t ADT: 172,113

I-170 WB RAMP

Fair

Over: ACCESS ROAD

I-170 WB RAMP OVER ACCESS, Baltimore city, MD

Built 1979 Load: 32.7 t ADT: 23,650

I-170 EB RAMP

Fair

Over: ACCESS ROAD

I-170 EB RAMP OVER ACCESS, Baltimore city, MD

Built 1979 Load: 32.7 t ADT: 1,305

US 1, MONROE STREE

Fair

Over: AMTRAK

0.5 MI S OF NORTH AVE, Baltimore city, MD

Built 1900 Load: 32.7 t ADT: 9,999

LOMBARD STREET

Fair

Over: JONES FALLS

0.1 MI N OF PRATT ST, Baltimore city, MD

Built 1974 Load: 32.7 t ADT: 38,036

NORTH AVENUE

Fair

Over: JONES FALLS, FALLS RD,RR

NORTH AVE OVER CSX, Baltimore city, MD

Built 1895 Load: 32.7 t ADT: 20,361

HILTON PARKWAY

Fair

Over: GELSTON RUN

0.4 MI N EDMONDSON AVE, Baltimore city, MD

Built 1938 Load: 32.7 t ADT: 9,040

LIBERTY HEIGHTS AV

Fair

Over: POWDER MILL RUN

0.1 MI W POWDER MILL LN, Baltimore city, MD

Built 1966 Load: 32.7 t ADT: 28,441

BALTIMORE STREET

Fair

Over: GWYNNS FALLS, CSX

0.2 MI E HILTON PKWY, Baltimore city, MD

Built 1931 Load: 32.7 t ADT: 9,375

BANCROFT ROAD

Fair

Over: WESTERN RUN

0.1 MI N CROSS COUNTRY B, Baltimore city, MD

Built 1950 Load: 32.7 t ADT: 39,339

I-83

Fair

Over: JONES FALLS (MI. 7.1 TO

0.6 MI S COLD SPRING LN, Baltimore city, MD

Built 1959 Load: 32.7 t ADT: 105,600

UNIVERSITY PARKWAY

Fair

Over: STONY RUN

0.6 MI W CHARLES STREET, Baltimore city, MD

Built 1908 Load: 32.7 t ADT: 6,340

GREELY ROAD

Fair

Over: WESTERN RUN

0.4 MI N KELLY AVE & I 83, Baltimore city, MD

Built 1983 Load: 32.7 t ADT: 10,900

BONNIEVIEW DRIVE

Fair

Over: WESTERN RUN

BONNIEVIEW DR @ WSTRN RUN, Baltimore city, MD

Built 1950 Load: 32.7 t ADT: 749

HILLEN ROAD

Fair

Over: CHINQUAPIN RUN

0.2 MI N OF COLDSPRING LA, Baltimore city, MD

Built 1900 Load: 32.7 t ADT: 11,996

EDISON HIGHWAY

Fair

Over: AMTRAK RAILROAD

0.2 MI N OF MONUMENT ST, Baltimore city, MD

Built 1931 Load: 32.7 t ADT: 18,376

HAMILTON AVENUE

Fair

Over: MOORE'S RUN

0.6 MI SE OF BELAIR RD, Baltimore city, MD

Built 1964 Load: 32.7 t ADT: 4,563

MORAVIA ROAD

Fair

Over: BIDDISON RUN

0.2 MI N OF IS 895, Baltimore city, MD

Built 1966 Load: 32.7 t ADT: 27,420

BELAIR ROAD

Fair

Over: HERRING RUN

0.6 MI W ERDMAN AVE, Baltimore city, MD

Built 1925 Load: 32.7 t ADT: 22,752

MORAVIA PARK DRIVE

Fair

Over: BIDDISON RUN

0.3 MI NE OF IS 895, Baltimore city, MD

Built 1966 Load: 32.7 t ADT: 1,374

RUSSELL AND BUSH S

Fair

Over: SPRING GARDENS

0.3 MI NE OF MONROE ST, Baltimore city, MD

Built 1910 Load: 32.7 t ADT: 2,125

CHESAPEAKE AVENUE

Fair

Over: TRIB. TO PATAPSCO RIVER

CHESAPEAKE AVE W OF 8THST, Baltimore city, MD

Built 1920 Load: 32.7 t ADT: 3,951

LOCH RAVEN DRIVE

Fair

Over: TOWSON RUN

0.9 MI E CROMWELL BRDG RD, Baltimore city, MD

Built 1879 Load: 32.7 t ADT: 896

EAGER STREET

Fair

Over: FALLSWAY

EAGER STREET AT FALLSWAY, Baltimore city, MD

Built 1900 Load: 32.7 t ADT: 1,695

LOCH RAVEN BOULEVA

Fair

Over: W BRANCH OF HERRING RUN

0.3 MI N OF NORTHERN PKY, Baltimore city, MD

Built 1930 Load: 32.7 t ADT: 8,543

DUKELAND STREET

Fair

Over: MAIDENS CHOICE CREEK

0.5 MI E OF CATON AVE, Baltimore city, MD

Built 1950 Load: 32.7 t ADT: 11,447

Showing 1,701-1,750 of 5,527 bridges

Related

All states → | National rankings → | Understanding conditions → | Retired SD term explained →
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.

Understanding Bridge Conditions

How FHWA rates bridge condition on a 0-9 scale.

Check Your Daily Bridges

How to look up bridge condition data for bridges on your route.

Read our methodology — how this data is sourced, computed, and verified.

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.