Baltimore County, MD

787 public highway bridges

Baltimore County Bridge Snapshot

Baltimore County, Maryland contains 787 public highway bridges in the FHWA National Bridge Inventory. Roughly 20.8% are rated “Good,” 46.9% “Fair,” 2.9% “Poor,” and 2.9% are classified as structurally deficient — the federal designation for spans whose deck, superstructure, or substructure has been rated 4 or below on the 0–9 NBI scale. Structurally deficient does not mean unsafe to cross; it means the bridge is on the priority list for repair or replacement.

Inspections in MD are conducted by certified engineers from the state Department of Transportation on a 24-month cycle, and results are reported back to the FHWA each spring. The list below shows every NBI-tracked bridge in the county, sorted by inventory load rating. Use the “Sort by” controls to surface the lowest-rated spans first, and click any row for full inspection history, traffic counts, and condition trends.

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

787

Total Bridges

20.8%

Good

2.9%

Poor

2.9%

Structurally Deficient

Condition Distribution

Good

20.8% (164)

Fair

46.9% (369)

Poor

2.9% (23)

SD

2.9% (23)

All Bridges (787)

Sort:

SUMMIT AVENUE

Over: JENNIFER BRANCH

0.05 MI W OF HOMELAND AVE, Baltimore, MD

Built 1978 Load: 14.1 t ADT: 563

JERICHO ROAD

Over: LITTLE GUNPOWDER FALLS

0.2 MI S JERUSALEM ROAD, Baltimore, MD

Built 1865 Load: 15.9 t ADT: 530

WARDS CHAPEL ROAD

Over: LOCUST RUN

0.57 MI N OF MD 26, Baltimore, MD

Built 1969 Load: 16.3 t ADT: 7,143

HOMELAND AVENUE

Over: JENNIFER BRANCH

0.2 MI E OF MD RTE 147, Baltimore, MD

Built 1978 Load: 18.1 t ADT: 660

TIVERTON ROAD

Over: SCOTTS LEVEL BRANCH

0.34 MI N OF MD 26, Baltimore, MD

Built 1966 Load: 20.0 t ADT: 3,116

DAIRY ROAD

Over: LITTLE FALLS

0.3 MI W OF YORK RD, Baltimore, MD

Built 1900 Load: 23.6 t ADT: 521

VERNON ROAD

Over: FIRST MINE BRANCH

0.8 MI S OF WHITE HALL RD, Baltimore, MD

Built 1988 Load: 24.9 t ADT: 666

HOUCKS MILL ROAD

Over: LITTLE GUNPOWDER FALLS

0.8 MI E. of OLD YORK RD, Baltimore, MD

Built 1989 Load: 26.3 t ADT: 869

McDONOGH ROAD

Over: TRIBUTARY TO HORSEHEAD B

AT LAMBORN RD INTERSECT, Baltimore, MD

Built 2012 Load: 27.2 t ADT: 14,121

WEST LIBERTY ROAD

Over: DEER CREEK

0.2 MI S OF GORSUCH RD, Baltimore, MD

Built 1992 Load: 28.1 t ADT: 348

MD 131

Over: ROLAND RUN

0.874 MILE WEST OF MD 45, Baltimore, MD

Built 1992 Load: 28.5 t ADT: 12,051

WRIGHTS MILL ROAD

Over: BRICE RUN

0.37 MI N OF DAVIS AVENUE, Baltimore, MD

Built 1986 Load: 28.6 t ADT: 320

COLD BOTTOM ROAD

Over: BUFFALO CREEK

1.5 MI W OF I 83, Baltimore, MD

Built 1920 Load: 29.9 t ADT: 408

I-695 OL

Over: BEAR CREEK

MILEPOST M46.2, Baltimore, MD

Built 1997 Load: 31.1 t ADT: 15,948

MD 145

Over: GREENE BRANCH

0.3 MILE E OF COOPER ROAD, Baltimore, MD

Built 1915 Load: 32.2 t ADT: 12,432

OSLER DRIVE

Over: TOWSON RUN

0.04 M S OF TWSNTOWN BLVD, Baltimore, MD

Built 1964 Load: 32.7 t ADT: 16,241

ROLLING ROAD

Over: SCOTTS LEVEL BRANCH

0.38 MI S OF OLD COURT RD, Baltimore, MD

Built 1982 Load: 32.7 t ADT: 9,595

GILROY ROAD

Over: OREGON BRANCH

0.28 MI E OF IS 83, Baltimore, MD

Built 1966 Load: 32.7 t ADT: 5,083

OWINGS MILLS BLVD

Over: BRANCH OF GWYNNS FALLS

2.5 MI. NW OF JCT. SR 140, Baltimore, MD

Built 1996 Load: 32.7 t ADT: 8,600

NEW FORGE ROAD

Over: TRIBUTARY TO GUNPOWDER F

0.3 MI W OF JCT SR 7, Baltimore, MD

Built 1963 Load: 32.7 t ADT: 2,500

WEST ENTRANCE

Over: TRIB OF GWYNNS FALLS

MILFORD MILL METRO, Baltimore, MD

Built 1986 Load: 32.7 t ADT: 300

VALLEY MILL ROAD

Over: LITTLE FALLS

0.59 MI N OF WALKER RD, Baltimore, MD

Built 1975 Load: 34.0 t ADT: 210

OWINGS MILLS BOULE

Over: HORSEHEAD BRANCH

2.7 MI SW OF MD 140, Baltimore, MD

Built 2012 Load: 34.0 t ADT: 41,030

HESS ROAD

Over: LITTLE GUNPOWDER FALLS

1.8 MI E OLD YORK ROAD, Baltimore, MD

Built 1978 Load: 34.3 t ADT: 2,699

GREENSPRING AVENUE

Over: SLAUGHTERHOUSE BRANCH

0.3 MI N BALTO BELTWAY, Baltimore, MD

Built 1984 Load: 34.9 t ADT: 5,193

MD 43

Over: BIRD RIVER ROAD

0.939 MILE EAST OF US 40, Baltimore, MD

Built 2005 Load: 35.4 t ADT: 13,012

I695E RAMP TO I95N

Over: I95/ I695 (INTERCHANGE)

I695 I95 Interchange, Baltimore, MD

Built 2008 Load: 35.4 t ADT: 21,567

US 1

Over: CSX TRANSPORTATION

0.78 MI N OF IS 895, Baltimore, MD

Built 2021 Load: 35.6 t ADT: 23,100

DAIRY ROAD

Over: TRIBUTARY TO OWL BRANCH

0.45 MI W OF IS 83, Baltimore, MD

Built 1963 Load: 35.8 t ADT: 350

LOCH RAVEN DRIVE

Over: LOCH RAVEN RESERVOIR

0.9 MI N PROVIDENCE RD, Baltimore, MD

Built 1988 Load: 36.0 t ADT: 4,990

IS 695 RAMP '8'

Over: LEEDS AVE & HERBERT RUN

0.92 MI N OF I-95, Baltimore, MD

Built 2016 Load: 36.3 t ADT: 3,975

MD 43

Over: WINDLASS RUN

1.587 MILE EAST OF US 40, Baltimore, MD

Built 2005 Load: 36.3 t ADT: 13,012

ENSOR ROAD

Over: THIRD MINE BRANCH

1.85 MILES SW OF MD 439, Baltimore, MD

Built 2016 Load: 36.3 t ADT: 75

MARSHANE ROAD

Over: TRIBUTARY TO NORRIS RUN

0.5 MI E OF NICODEMUS RD, Baltimore, MD

Built 2015 Load: 36.6 t ADT: 200

CAMPBELL BOULEVARD

Over: TRIBUTARY TO WHITE MARSH

0.5 Miles East of US 40, Baltimore, MD

Built 2015 Load: 37.3 t ADT: 4,393

MD 43

Over: WHITE MARSH RUN

0.197 MILE EAST OF US 40, Baltimore, MD

Built 2004 Load: 37.6 t ADT: 13,012

PAINTERS MILL ROAD

Over: GWYNN FALLS

0.5 MI SW REISTERSTOWN RD, Baltimore, MD

Built 1954 Load: 37.6 t ADT: 22,643

MD 150

Over: MIDDLE RIVER

0.27 MI SW OF MD 700, Baltimore, MD

Built 1993 Load: 38.1 t ADT: 38,470

US 40

Over: PATAPSCO RIVER

ON HOWARD CO LINE, Baltimore, MD

Built 1936 Load: 38.1 t ADT: 37,530

TRENTON ROAD

Over: LITTLE PINEY RUN

0.4 MI. W DARK HOLLOW RD, Baltimore, MD

Built 2007 Load: 38.1 t ADT: 722

GWYNNBROOK AVENUE

Over: TRIBUTARY TO GWYNNS FALL

0.09 MI E OWINGS MILLS BL, Baltimore, MD

Built 2018 Load: 38.5 t ADT: 4,304

I95 SOUTHBOUND

Over: I695 STEMMERS RUN

2.8 Mile North of I-895, Baltimore, MD

Built 2008 Load: 38.5 t ADT: 55,243

RIVER ROAD

Over: TRIBUTARY TO PATAPSCO RI

1.24 MILES S OF MD 144, Baltimore, MD

Built 2020 Load: 38.9 t ADT: 956

GLEN ARM ROAD

Over: GUNPOWDER FALLS

0.02 MI E OF MD 567, Baltimore, MD

Built 1998 Load: 39.5 t ADT: 14,402

I695W RAMP TO I95S

Over: I95/I695 (INTERCHANGE)

I-695/I-95 Interchange, Baltimore, MD

Built 2008 Load: 39.5 t ADT: 10,671

IS 83 SBR

Over: NCR TRAIL & LITTLE FALLS

0.55 MILE SOUTH OF MD 45, Baltimore, MD

Built 2005 Load: 39.9 t ADT: 50,431

MD 695 OL

Over: AMTRAK

1.12 MILE NORTH OF MD 702, Baltimore, MD

Built 1972 Load: 40.4 t ADT: 74,892

VERNON ROAD

Over: SECOND MINE BRANCH

0.5 M NW WHITE HALL ROAD, Baltimore, MD

Built 2012 Load: 40.5 t ADT: 268

OWINGS MILLS BOULE

Over: SCOTTS LEVEL BRANCH

2.5 MI. S. OF IS 795, Baltimore, MD

Built 2015 Load: 40.5 t ADT: 7,431

THORNTON MILL ROAD

Over: TRIBUTARY TO WESTERN RUN

0.4 MI S OF QUAKER BOTTOM, Baltimore, MD

Built 2010 Load: 40.8 t ADT: 300

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

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Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 6, 2026