Carroll County, MD

205 public highway bridges

Carroll County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Carroll County, Maryland contains 205 public highway bridges. Roughly 26.3% are rated “Good,” 64.4% “Fair,” and 5.4% “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.

205
Total Bridges
26.3%
Good
64.4%
Fair
5.4%
Poor Condition

Condition Distribution

Good
26.3% (54)
Fair
64.4% (132)
Poor
5.4% (11)

All Bridges (205)

IS 70 EBR

Unknown

Over: MD 27

0.27 MI N OF FREDERICK CO, Carroll, MD

Built 1974 ADT: 24,731

IS 70 WBR

Unknown

Over: MD 27

0.04 MI E OF FREDERICK CO, Carroll, MD

Built 1974 ADT: 24,731

MD 140

Unknown

Over: MD MID RR,MD 27, WEST BR

0.51 M S OF HAHN ROAD, Carroll, MD

Built 1953 ADT: 23,741

MD 140 WB & RAMP B

Unknown

Over: MD 97

2.32 M N OF MALCOLM DRIVE, Carroll, MD

Built 2006 ADT: 24,320

MD 140 EB

Unknown

Over: MD 97

2.32 M N OF MALCOLM DRIVE, Carroll, MD

Built 2006 ADT: 24,320

MD 140

Unknown

Over: RICHARDSON ROAD

2.69 MI N OF MD 832, Carroll, MD

Built 1963

MD 26

Unknown

Over: MD 97

1.92 M S OF BARTHOLOW RD, Carroll, MD

Built 1962 ADT: 13,800

HOUCKSVILLE ROAD

Unknown

Over: MD 30

HOUCKSVILLE RD OVER MD 30, Carroll, MD

Built 2007 ADT: 9,420

BAUMGARDNER ROAD

Fair

Over: PINEY CREEK

0.12 MI N OF KEYSVILLE RD, Carroll, MD

Built 1925

PEARRE ROAD

Fair

Over: SAMS CREEK

WEST OF NEW WINDSOR, Carroll, MD

Built 1908 Load: 8.6 t ADT: 23

Roberts Mill Road

Fair

Over: Maryland Midland Railway

0.1 MI SE OF MD 194, Carroll, MD

Built 1929 Load: 16.8 t ADT: 1,105

RINEHART ROAD

Fair

Over: BIG PIPE CREEK

0.62 MI N OF SAW MILL RD, Carroll, MD

Built 1961 Load: 17.7 t ADT: 1,030

SLACKS ROAD

Fair

Over: TRIBUTARY OF PINEY RUN

1.06 MI N RAINCLIFFE ROAD, Carroll, MD

Built 1975 Load: 17.7 t ADT: 905

BLOOM ROAD

Fair

Over: MORGAN RUN

250 FT S OF SALEM BOTTOM, Carroll, MD

Built 1980 Load: 19.5 t ADT: 520

MD 27

Fair

Over: MARYLAND MIDLAND RR

.12 MILE SOUTH OF MD 852G, Carroll, MD

Built 1959 Load: 20.0 t ADT: 18,790

BABYLON ROAD

Fair

Over: SILVER RUN

0.05 MI N OF MAYBERRY RD, Carroll, MD

Built 1960 Load: 20.0 t ADT: 117

HARNEY ROAD

Fair

Over: ALLOWAY CREEK

1.26 MILES S OF PA LINE, Carroll, MD

Built 1919 Load: 20.4 t ADT: 1,911

STONE ROAD

Fair

Over: BIG PIPE CREEK

0.37 MI SE OF MAYBERRY RD, Carroll, MD

Built 1984 Load: 20.4 t ADT: 448

BERBERI ROAD

Fair

Over: TRIBUTARY TO NORTH BRANC

1.3 MI E OF MD 140, Carroll, MD

Built 2005 Load: 20.9 t ADT: 140

MD 86

Fair

Over: BR OF GUNPOWDER FALLS

0.24 MI S OF PA LINE, Carroll, MD

Built 1929 Load: 21.3 t ADT: 3,322

MD 32

Fair

Over: LIBERTY RESERVOIR

2.53 MILE SOUTH OF MD 91, Carroll, MD

Built 1952 Load: 21.3 t ADT: 14,020

MD 97

Fair

Over: BIG PIPE CREEK

3.35 MILE NORTH OF MD 496, Carroll, MD

Built 1934 Load: 22.2 t ADT: 15,340

SNOWDEN RUN ROAD

Fair

Over: SNOWDEN RUN

1.89 MI W OF MINERAL HILL, Carroll, MD

Built 1974 Load: 22.2 t ADT: 503

BAUMGARDNER ROAD

Fair

Over: PINEY CREEK

0.70 MI N OF KEYSVILLE RD, Carroll, MD

Built 1982 Load: 23.1 t ADT: 99

GRIMVILLE ROAD

Fair

Over: GILLIS FALLS

0.04 MI N OF FLAG MARSH, Carroll, MD

Built 1981 Load: 23.1 t ADT: 280

GAITHER ROAD

Fair

Over: SOUTH BRANCH PATAPSCO RI

ON HOWARD COUNTY LINE, Carroll, MD

Built 1978 Load: 23.1 t ADT: 1,282

MD 75

Fair

Over: SAMS CREEK

ON FREDERICK CO LINE, Carroll, MD

Built 1972 Load: 23.6 t ADT: 2,151

MD 140

Fair

Over: BIG PIPE CREEK

0.91 MILE SOUTH OF MD 832, Carroll, MD

Built 1964 Load: 23.6 t ADT: 13,070

SILVER RUN VALLEY

Fair

Over: BIG SILVER RUN

0.75 MI E OF MD 97, Carroll, MD

Built 1900 Load: 24.5 t ADT: 480

MD 86

Fair

Over: BR OF GUNPOWDER FALLS

1.74 MI S OF PA LINE, Carroll, MD

Built 1972 Load: 25.4 t ADT: 3,442

BAPTIST ROAD

Fair

Over: ALLOWAY CREEK

0.09 MI N OF STARNERS DAM, Carroll, MD

Built 1940 Load: 25.8 t ADT: 269

SALEM BOTTOM ROAD

Fair

Over: MORGAN RUN

0.26 MI SE OF BLOOM ROAD, Carroll, MD

Built 1964 Load: 25.8 t ADT: 982

YORK ROAD NO 1

Fair

Over: SOUTH BRANCH GUNPOWDER F

1 M NE OF LINEBORO RD, Carroll, MD

Built 1940 Load: 26.3 t ADT: 88

BAKER ROAD

Fair

Over: BRANCH OF MORGAN RUN

0.93 MI EAST OF MD 27, Carroll, MD

Built 1974 Load: 26.8 t ADT: 408

MD 31

Fair

Over: DICKERSON RUN

0.05 MI W OF NEW WINDSOR, Carroll, MD

Built 1924 Load: 28.6 t ADT: 4,861

LINTON ROAD

Fair

Over: LITTLE MORGAN RUN

1.25 MILES N OF MD 26, Carroll, MD

Built 1980 Load: 28.6 t ADT: 867

ARNOLD ROAD

Fair

Over: BEAVER RUN

0.03 MI W OF POOLE ROAD, Carroll, MD

Built 1974 Load: 29.0 t ADT: 348

MD 84

Fair

Over: ROOP BRANCH

.29 MILE NORTH OF MD 800B, Carroll, MD

Built 1948 Load: 30.8 t ADT: 1,702

MD 482

Fair

Over: EAST BRANCH PATAPSCO RIV

0.80 MI W OF HAMPSTEAD, Carroll, MD

Built 1936 Load: 31.3 t ADT: 8,212

FLICKINGER ROAD

Fair

Over: BIG PIPE CREEK

0.34 MI N OF STONE RD, Carroll, MD

Built 1940 Load: 31.3 t ADT: 180

MD 31

Fair

Over: SAMS CREEK

ON FREDERICK CO LINE, Carroll, MD

Built 1921 Load: 31.7 t ADT: 2,611

TREVANION ROAD

Fair

Over: BIG PIPE CREEK

2.05 MILES N OF MD 84, Carroll, MD

Built 1966 Load: 31.7 t ADT: 2,569

JOHN HYDE ROAD

Fair

Over: LITTLE PIPE CREEK

0.01 MI S OF JASONTOWN RD, Carroll, MD

Built 1900 Load: 32.2 t ADT: 320

MD 32

Fair

Over: PINEY RUN

.432 MILE NORTH OF MD 851, Carroll, MD

Built 1957 Load: 32.7 t ADT: 26,590

SR6 (BUTTERCUP ROA

Fair

Over: PINEY RUN

@ SPRINGFIELD HOSPITAL, Carroll, MD

Built 1927 Load: 32.7 t ADT: 12,400

MD 91

Fair

Over: MIDDLE RUN

0.02 MILE NORTH OF MD 879, Carroll, MD

Built 1964 Load: 32.7 t ADT: 10,670

MD 97

Fair

Over: PINEY RUN

1.0 MILE SOUTH OF MD 850H, Carroll, MD

Built 1979 Load: 32.7 t ADT: 10,080

MD 31

Fair

Over: LITTLE PIPE CREEK

0.02 MILE WEST OF MD 852, Carroll, MD

Built 1963 Load: 32.7 t ADT: 7,321

MD 27

Fair

Over: CRANBERRY BRANCH

.52 MILE NORTH OF MD 852G, Carroll, MD

Built 1959 Load: 32.7 t ADT: 18,790

MD 140

Fair

Over: BEAR BRANCH

1.87 MILE SOUTH OF MD 832, Carroll, MD

Built 1964 Load: 32.7 t ADT: 13,070
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.