Baltimore County, MD

787 public highway bridges

Baltimore County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Baltimore County, Maryland contains 787 public highway bridges. Roughly 20.8% are rated “Good,” 46.9% “Fair,” and 2.9% “Poor.” Poor means the lowest applicable deck, superstructure, substructure, or culvert rating is 4 or below on the 0–9 NBI scale. It is a condition category, not a live safety or closure decision.

Responsible agencies inspect covered bridges on risk-based intervals under current NBIS rules and submit inventory data to FHWA annually. The list below shows every NBI-tracked bridge in the county. Use the “Sort by” controls to change the ordering, and click any row for its reported inspection date, traffic count, and condition fields.

Source: FHWA National Bridge Inventory. See methodology for full definitions.

787
Total Bridges
20.8%
Good
46.9%
Fair
2.9%
Poor Condition

Condition Distribution

Good
20.8% (164)
Fair
46.9% (369)
Poor
2.9% (23)

All Bridges (787)

TRAPPE ROAD

Fair

Over: TRIBUTARY TO BEAR CREEK

0.8 MI EAST OF MD 157, Baltimore, MD

Built 1970 Load: 20.9 t ADT: 18,600

MD 25

Fair

Over: DEEP RUN

0.05 MILE SOUTH OF MD 130, Baltimore, MD

Built 1961 Load: 21.8 t ADT: 26,821

MD 128

Fair

Over: CSX TRANSPORTATION

0.48 MILES EAST OF MD 30, Baltimore, MD

Built 1947 Load: 22.2 t ADT: 15,840

RUXTON ROAD

Fair

Over: MTA LIGHT RAIL

100 FEET W OF BELLONA AVE, Baltimore, MD

Built 1960 Load: 22.2 t ADT: 9,190

DANCE MILL ROAD

Fair

Over: DULANEY VALLEY BRANCH

0.17 MI N OF DUL VALL RD, Baltimore, MD

Built 1920 Load: 22.2 t ADT: 1,195

GUNPOWDER ROAD

Fair

Over: COMPASS RUN

0.3 MI S. OF BCKLYSVIL RD, Baltimore, MD

Built 1920 Load: 22.2 t ADT: 1,755

CROMWELL VALLEY PA

Fair

Over: TRIBUTARY TO MINEBANK RU

0.4 MI. NW CROMWELL BR RD, Baltimore, MD

Built 2005 Load: 22.2 t ADT: 100

BOTTOM ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

1.8 MI NE OF FORK ROAD, Baltimore, MD

Built 1886 Load: 22.7 t ADT: 223

WESTERN RUN ROAD

Fair

Over: BLACKROCK RUN

0.1 MI E OF FALLS RD, Baltimore, MD

Built 1974 Load: 22.7 t ADT: 1,230

STABLERS CHURCH RO

Fair

Over: LITTLE FALLS

0.8 MI W OF YORK ROAD, Baltimore, MD

Built 1975 Load: 22.7 t ADT: 604

MARRIOTTSVILLE RD

Fair

Over: NORTH BRANCH OF PATAPSCO

AT BALT-CARROLL CO LINE, Baltimore, MD

Built 1976 Load: 22.7 t ADT: 5,500

PATTERSON AVENUE

Fair

Over: TRIBUTARY TO GWYNNS FALL

0.75 MI NE OF LIBERTY RD, Baltimore, MD

Built 1960 Load: 22.7 t ADT: 12,265

RIPPLE ROAD

Fair

Over: TRIBUTARY TO GWYNNS FALL

0.1 MI S OF LYNN HAVEN DR, Baltimore, MD

Built 1954 Load: 22.7 t ADT: 8,752

CARROLL ROAD

Fair

Over: CARROLL BRANCH

0.5 MI S OF SPARKS RD, Baltimore, MD

Built 1879 Load: 23.1 t ADT: 2,534

KIDDS SCHOOLHOUSE

Fair

Over: PRETTYBOY RESERVOIR

0.7 MI E BECKLEYS RD, Baltimore, MD

Built 1932 Load: 23.1 t ADT: 124

MD 129

Fair

Over: NORTH BRANCH

1.81 MI N OF MD 130, Baltimore, MD

Built 1900 Load: 23.6 t ADT: 900

HOLLIFIELD ROAD

Fair

Over: PATAPSCO RIVER

0.1 MI S JOHNNYCAKE ROAD, Baltimore, MD

Built 1934 Load: 23.6 t ADT: 11,453

WESTCHESTER AVENUE

Fair

Over: NO. 9 TROLLEY TRAIL

0.2 MI N FREDERICK RD, Baltimore, MD

Built 1900 Load: 23.6 t ADT: 1,741

VINEGAR HILL ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

0.29 MI SE OF JERICHO RD, Baltimore, MD

Built 1894 Load: 24.0 t ADT: 552

GLENCOE ROAD

Fair

Over: GUNPOWDER FALLS

1 MI E OF YORK RD, Baltimore, MD

Built 1976 Load: 24.0 t ADT: 364

GWYNN OAK AVENUE

Fair

Over: TRIBUTARY TO DEAD RUN

0.18 MI N OF SECURITY BLV, Baltimore, MD

Built 1956 Load: 24.0 t ADT: 6,450

BACON ROAD

Fair

Over: FIRST MINE BRANCH

0.3 MI S OF HUNTER MILL R, Baltimore, MD

Built 1990 Load: 24.5 t ADT: 234

WINDEMERE PARKWAY

Fair

Over: DULANEY VALLEY BRANCH

0.1 MI S OF DULANEY VALLE, Baltimore, MD

Built 1959 Load: 24.5 t ADT: 643

FALLS ROAD

Fair

Over: CHARLES RUN

0.1 MI S MONKTON RD, Baltimore, MD

Built 1988 Load: 24.9 t ADT: 1,200

BLUE MOUNT ROAD

Fair

Over: GUNPOWDER FALLS

1.3 MI E OF MONKTON RD, Baltimore, MD

Built 1989 Load: 24.9 t ADT: 360

HUNTER MILL ROAD

Fair

Over: FIRST MINE BRANCH

0.4 MI NE OF BACON RD, Baltimore, MD

Built 1988 Load: 24.9 t ADT: 392

COCKEYSVILLE ROAD

Fair

Over: PARKS RUN

0.17 MI W OF MD 45, Baltimore, MD

Built 1949 Load: 24.9 t ADT: 3,390

TENBURY ROAD

Fair

Over: LONG QUARTER BRANCH

100 FEET W OF MEADOWVALE, Baltimore, MD

Built 1955 Load: 24.9 t ADT: 553

RIDGEFIELD ROAD

Fair

Over: LONG QUARTER BRANCH

0.30 MI E OF MD 45, Baltimore, MD

Built 1955 Load: 24.9 t ADT: 715

CAVES ROAD

Fair

Over: NORTH BRANCH JONES FALLS

0.12 MI SW OF MD 129, Baltimore, MD

Built 1910 Load: 24.9 t ADT: 3,208

WISE AVENUE

Fair

Over: BEAR CREEK

0.9 MI W OF NORTH PT RD, Baltimore, MD

Built 1948 Load: 25.4 t ADT: 14,960

DUTTON AVENUE AND

Fair

Over: TRIBUTARY TO PATAPSCO RI

200' S. OF EDMONDSON AVE., Baltimore, MD

Built 1979 Load: 25.4 t ADT: 6,048

LINDEN AVENUE

Fair

Over: EAST BRANCH HERBERT RUN

0.06 MI S OF EAST DR, Baltimore, MD

Built 1982 Load: 25.8 t ADT: 4,590

DULANEY VALLEY ROA

Fair

Over: DULANEY BRANCH

0.3 MI N MD RTE 542, Baltimore, MD

Built 1952 Load: 25.8 t ADT: 6,872

AVONDALE ROAD

Fair

Over: WHITE MARSH RUN

0.02 M N OF I 695, Baltimore, MD

Built 1971 Load: 25.8 t ADT: 4,232

GREEN ROAD

Fair

Over: LITTLE GUNPOWDER FALLS

1.0 MI N SWEET AIR RD, Baltimore, MD

Built 1990 Load: 26.3 t ADT: 603

HICKS ROAD

Fair

Over: LITTLE FALLS

1 MI SE OF BIG FALLS RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 3,000

WESTERN RUN ROAD

Fair

Over: WESTERN RUN

1.3 MI N OF SHAWAN RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 2,299

FREELAND ROAD

Fair

Over: LITTLE FALLS

1.3 MI NW OF MIDDLETOWN R, Baltimore, MD

Built 1986 Load: 26.3 t ADT: 1,699

HARTLEY MILL ROAD

Fair

Over: LONG GREEN CREEK

0.2 MI SE OF GLEN ARM RD, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 1,841

BENTLEY ROAD

Fair

Over: BEETREE RUN

200 FEET N OF EAGLE MILL, Baltimore, MD

Built 1988 Load: 26.3 t ADT: 300

TAYLOR AVENUE

Fair

Over: TRIBUTARY TO HERRING RUN

0.14 MI SE OF MD 41, Baltimore, MD

Built 1969 Load: 26.8 t ADT: 14,881

US 1

Fair

Over: HERBERT RUN

0.49 MI S OF MD 644A, Baltimore, MD

Built 1949 Load: 27.2 t ADT: 11,542

OAKLEIGH ROAD

Fair

Over: HERRING RUN

0.2 MI S OF PERRING PKWY, Baltimore, MD

Built 1953 Load: 27.2 t ADT: 7,961

HYDES ROAD

Fair

Over: LONG GREEN CREEK

0.5 M W OF LONG GREEN PKE, Baltimore, MD

Built 1952 Load: 27.2 t ADT: 5,400

LITTLE CREEK DRIVE

Fair

Over: DEAD RUN

250 FT W DOGWOOD RD, Baltimore, MD

Built 1952 Load: 27.2 t ADT: 773

BECKLEYSVILLE ROAD

Fair

Over: PRETTYBOY RESERVOIR

3 MI W MIDDLETOWN RD, Baltimore, MD

Built 1931 Load: 27.2 t ADT: 1,100

I-695 IL

Fair

Over: BEAR CREEK

MILEPOST M46.2, Baltimore, MD

Built 1975 Load: 27.5 t ADT: 14,819

POT SPRING ROAD

Fair

Over: SPRING BRANCH

0.5 MI S OF TIMONIUM RD, Baltimore, MD

Built 1973 Load: 27.7 t ADT: 13,676

WOODLAWN DRIVE

Fair

Over: TRIBUTARY TO GWYNNS FALL

.09 MI N WINDSOR MILL, Baltimore, MD

Built 1963 Load: 28.1 t ADT: 15,620
Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainBridges

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.