Frederick County, MD

491 public highway bridges

Frederick County Bridge Snapshot

Frederick County, Maryland contains 491 public highway bridges in the FHWA National Bridge Inventory. Roughly 38.9% are rated “Good,” 40.3% “Fair,” 2.6% “Poor,” and 2.6% 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.

491

Total Bridges

38.9%

Good

2.6%

Poor

2.6%

Structurally Deficient

Condition Distribution

Good

38.9% (191)

Fair

40.3% (198)

Poor

2.6% (13)

SD

2.6% (13)

All Bridges (491)

Sort:

LIME PLANT ROAD

Over: TRIBUTARY OF BENS BRANCH

0.3 MI W OF DETRICK RD, Frederick, MD

Built 1972 Load: 75.3 t ADT: 128

SUGARLOAF PARKWAY

Over: PETER PAN RUN

0.1 MI N OF BUSH CREEK DR, Frederick, MD

Built 2002 Load: 75.7 t ADT: 1,080

NORTH BEACH ROAD

Over: HUNTING CREEK

CUNN. FALLS STATE PARK, Frederick, MD

Built 1980 Load: 76.6 t ADT: 100

MILT SUMMERS ROAD

Over: TRIB. OF CATOCTIN CREEK

0.3 MI W OF MT TABOR RD, Frederick, MD

Built 1977 Load: 78.5 t ADT: 1,210

US 15 BU

Over: FLAT RUN

0.75 MILE SOUTH OF US 15, Frederick, MD

Built 1927 Load: 81.6 t ADT: 1,820

BRICE ROAD

Over: MUDDY RUN

0.13 S OF BLUE MTN ROAD, Frederick, MD

Built 1998 Load: 83.0 t ADT: 292

OAKDALE SCHOOL ROA

Over: TRIBUTARY TO LONG BRANCH

0.2 MI N OF OLD NATL PIKE, Frederick, MD

Built 2001 Load: 88.0 t ADT: 1,790

MD 17

Over: BROAD RUN

0.07 MI N OF ARNOLD ROAD, Frederick, MD

Built 1959 Load: 89.3 t ADT: 2,061

US 15 BU

Over: TOMS CREEK

0.23 MILE NORTH OF US 15, Frederick, MD

Built 1923 Load: 99.9 t ADT: 7,680

US 15 & RAMP 8

Over: CARROLL CREEK

0.64 MILE NORTH OF US 40, Frederick, MD

Built 1958 Load: 99.9 t ADT: 95,190

MD 26

Over: N FORK LINGANORE CREEK

2.53 MI W OF CARROLL CO, Frederick, MD

Built 1950 Load: 99.9 t ADT: 5,272

US 340

Over: LITTLE CATOCTIN CREEK

0.36 MILE EAST OF MD 17, Frederick, MD

Built 1964 Load: 99.9 t ADT: 24,600

IS 70

Over: GRINDSTONE RUN

0.3 MILE WEST OF MD 17, Frederick, MD

Built 1968 Load: 99.9 t ADT: 70,011

IS 70

Over: LONG BRANCH

0.23 M E OF BR NO 1018400, Frederick, MD

Built 1985 Load: 99.9 t ADT: 62,311

MANOR WOODS ROAD

Over: TUSCARORA CREEK

0.53 MI E OF BALLENGER CR, Frederick, MD

Built 1970 Load: 99.9 t ADT: 965

WESTVIEW DRIVE

Over: QUARRY BRANCH

0.15 MI N OF CRESTWOOD BV, Frederick, MD

Built 2004 Load: 99.9 t ADT: 1,500

OLD FREDERICK ROAD

Over: BEAVER BRANCH

2.38 MILES N. OF MD RT 77, Frederick, MD

Built 1975 Load: 99.9 t ADT: 784

APPOLDS ROAD

Over: BEAVER BRANCH

0.6 MI WEST OF MD 76, Frederick, MD

Built 1972 Load: 99.9 t ADT: 346

YEAGERTOWN ROAD

Over: LOCAL STREAM

1.25 MI NORTH OF MD 144, Frederick, MD

Built 1982 Load: 99.9 t ADT: 3,203

HOFFMAN SEACHRIST

Over: DORCUS BRANCH

425 FT SOUTH OF MD 550, Frederick, MD

Built 1963 Load: 99.9 t ADT: 260

LEHIGH ROAD

Over: SAMS CREEK

0.1 MI E OF CLEMSONVILLE, Frederick, MD

Built 1998 Load: 99.9 t ADT: 322

WOODVILLE ROAD

Over: WOODVILLE BRANCH

0.1 MI N OF BOTTOM RD, Frederick, MD

Built 1972 Load: 99.9 t ADT: 1,333

GAMBRILL PARK ROAD

Over: LITTLE FISHING CREEK

N. OF MOUNTAINDALE ROAD, Frederick, MD

Built 1980 Load: 99.9 t ADT: 50

MOUNT PHILLIP ROAD

Over: BRANCH OF ROCK CREEK

230' S OF US ALT 40, Frederick, MD

Built 1980 Load: 99.9 t ADT: 5,847

DEVILBISS BRIDGE R

Over: GLADE CREEK

AT GLADE RD INTERSECTION, Frederick, MD

Built 1972 Load: 99.9 t ADT: 2,691

BRUNSWICK STREET

Over: LOCAL STREAM

420 FT W OF CENTRAL AVE, Frederick, MD

Built 1962 Load: 99.9 t ADT: 797

HIGHLAND STREET

Over: CARROLL CREEK

0.9 MI EAST OF MD 355, Frederick, MD

Built 1988 Load: 99.9 t ADT: 5,850

OLD CAMP ROAD

Over: ROCK CREEK

500 FEET NORTH OF US 40, Frederick, MD

Built 1976 Load: 99.9 t ADT: 6,930

WILLOWDALE DRIVE

Over: ROCK CREEK

0.4 MI NORTH OF US 40, Frederick, MD

Built 1976 Load: 99.9 t ADT: 11,232

BAUGHMANS LANE

Over: CARROLL CREEK

100' S. OF ROSEMONT AVE., Frederick, MD

Built 1961 Load: 99.9 t ADT: 20,388

BAUGHMANS LANE

Over: ROCK CREEK

1 MILE NORTH OF US 40, Frederick, MD

Built 1970 Load: 99.9 t ADT: 20,388

WAVERLY DRIVE

Over: ROCK CREEK

0.5 MILES NORTH OF US 40, Frederick, MD

Built 1971 Load: 99.9 t ADT: 5,382

BEL AIRE LANE

Over: ROCK CREEK

0.2 MI NORTH OF KEY PKWY, Frederick, MD

Built 1993 Load: 99.9 t ADT: 2,144

SCHIFFERSTADT BOUL

Over: TRIBUTARY NO. 8

0.8 MI EAST OF MD 355, Frederick, MD

Built 1986 Load: 99.9 t ADT: 3,310

SCHIFFERSTADT BOUL

Over: DETRICK BRANCH

300 FEET EAST OF MD 355, Frederick, MD

Built 1990 Load: 99.9 t ADT: 3,310

THOMAS JOHNSON DRI

Over: TWO MILE RUN

2000 FT NE OF OPOSSUMTOWN, Frederick, MD

Built 1981 Load: 99.9 t ADT: 9,570

GLENBROOK DRIVE

Over: HOLLOW CREEK

0.2 MI S OF MIDDLETWN PWY, Frederick, MD

Built 2004 Load: 99.9 t ADT: 1,115

APPLES CHURCH ROAD

Over: OWENS CREEK

1 MI S OF MUD COLLEGE RD, Frederick, MD

Built 1917 Load: 9.5 t ADT: 350

COVELL ROAD

Over: LITTLE BENNETT CREEK

WEST OF THURSTON ROAD INT, Frederick, MD

Built 1930 Load: 10.4 t ADT: 36

HOOVERS MILL ROAD

Over: OWENS CREEK

AT FRUSHOUR RD INT, Frederick, MD

Built 1887 Load: 10.4 t ADT: 59

E. CHURCH HILL RD

Over: MIDDLE CREEK

AT MD RTE 17 INT, Frederick, MD

Built 1908 Load: 10.9 t ADT: 204

DIXON ROAD

Over: BENNETT CREEK

0.4 MI S OF THURSTON RD, Frederick, MD

Built 1904 Load: 12.7 t ADT: 200

ST. MARKS ROAD

Over: BROAD RUN

0.7 MILES SOUTH OF MD 383, Frederick, MD

Built 1900 Load: 15.0 t ADT: 196

CREAMERY ROAD

Over: TOMS CREEK

0.4 MI S OF US RTE 15, Frederick, MD

Built 1928 Load: 20.0 t ADT: 263

RODDY ROAD

Over: OWENS CREEK

0.37 MI E OF US RTE 15, Frederick, MD

Built 1856 Load: 20.9 t ADT: 1,170

REICHS FORD ROAD

Over: BUSH CREEK

0.5 MI W OF IJAMSVILLE RD, Frederick, MD

Built 2020 Load: 21.1 t ADT: 1,015

LENHART ROAD

Over: FISHING CREEK

0.5 MI E OLD FREDERICK RD, Frederick, MD

Built 1906 Load: 21.3 t ADT: 166

HARNEY ROAD

Over: MONOCACY RIVER

AT CARROLL COUNTY LINE, Frederick, MD

Built 1989 Load: 22.7 t ADT: 815

MD 550

Over: BRANCH OF FRIENDS CREEK

1.2 M S OF WASH CO LINE, Frederick, MD

Built 2004 Load: 24.5 t ADT: 1,471

WINCHESTER BOULEVA

Over: TRIBUTARY OF TUSCARORA C

WEST OF HARVARD PLACE, Frederick, MD

Built 2002 Load: 27.2 t ADT: 350

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