Carroll County, MD

205 public highway bridges

Carroll County Bridge Snapshot

Carroll County, Maryland contains 205 public highway bridges in the FHWA National Bridge Inventory. Roughly 26.3% are rated “Good,” 64.4% “Fair,” 5.4% “Poor,” and 5.4% 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.

205
Total Bridges
26.3%
Good
5.4%
Poor
5.4%
Structurally Deficient

Condition Distribution

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

Related

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