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)

BALLENGER CREEK PI

Good

Over: STORMWATER CHANNEL RELIE

2.27 MI. SOUTH OF I-70, Frederick, MD

Built 2012 Load: 43.5 t ADT: 2,462

IS 270

Good

Over: MD 85 (Buckeystown Pike)

1.0 N OF BR NO 1007400, Frederick, MD

Built 2020 Load: 43.7 t ADT: 111,550

MD 144FA

Good

Over: CARROLL CREEK

0.21 M E OF MARYLAND AVE, Frederick, MD

Built 1995 Load: 44.0 t ADT: 8,541

FLAG POND ROAD

Good

Over: DOUBS BRANCH

100' EAST OF BALLENGER CR, Frederick, MD

Built 1986 Load: 44.0 t ADT: 12

BRIDGEPORT ROAD

Good

Over: CATTAIL BRANCH

0.5 MI SW OF MD 140, Frederick, MD

Built 1978 Load: 44.4 t ADT: 73

MOSER ROAD

Good

Over: HUNTING CREEK

0.5 MI SE OF FREDERICK RD, Frederick, MD

Built 1975 Load: 44.4 t ADT: 1,372

KNOLLS PARKWAY

Good

Over: PLEASANT BRANCH

AT MD RT. 75 INTERSECTION, Frederick, MD

Built 1992 Load: 44.9 t ADT: 1,000

DOLLYHYDE ROAD

Good

Over: DOLLYHYDE CREEK

1.0 MI SOUTH OF MD RTE 26, Frederick, MD

Built 1982 Load: 44.9 t ADT: 186

EYLERS VALLEY ROAD

Good

Over: TRIB. OF OWENS CREEK

0.1 MI NE OF MD RTE 550, Frederick, MD

Built 1983 Load: 44.9 t ADT: 295

DAYSVILLE ROAD

Good

Over: CABBAGE RUN

0.8 MI EAST OF MD 194, Frederick, MD

Built 1975 Load: 45.8 t ADT: 1,619

MD 355

Good

Over: CSX TRANS.

2.11 MILES SOUTH OF MD 85, Frederick, MD

Built 2020 Load: 46.0 t ADT: 13,000

FORD ROAD

Good

Over: CLIFFORD BRANCH

0.6 MI W OPPOSSUMTOWN PIK, Frederick, MD

Built 1980 Load: 46.7 t ADT: 414

MD 140

Good

Over: FLAT RUN

0.4 MI E OF EMMITSBURG, Frederick, MD

Built 2019 Load: 47.0 t ADT: 9,011

BUCK LANTZ ROAD

Good

Over: OWENS CREEK

AT FOXVLLE DEERFLD RD INT, Frederick, MD

Built 1982 Load: 47.2 t ADT: 141

RAVEN ROCK PARK RD

Good

Over: OWENS CREEK

AT FOXVLLE DEERFLD RD INT, Frederick, MD

Built 1981 Load: 47.2 t ADT: 57

FISHERS HOLLOW RD

Good

Over: LITTLE CATOCTIN CREEK

AT HARMONY RD INT, Frederick, MD

Built 1983 Load: 47.2 t ADT: 337

OTHELLO REGIONAL P

Good

Over: LOCAL STREAM

SOUTH OF MD 180, Frederick, MD

Built 2020 Load: 47.3 t ADT: 200

MD 17

Good

Over: MIDDLE CREEK

0.9 MILE NORTH OF US 40, Frederick, MD

Built 2005 Load: 47.6 t ADT: 1,951

MD 17

Good

Over: MIDDLE CREEK

AT MIDDLE POINT ROAD, Frederick, MD

Built 2005 Load: 48.1 t ADT: 1,951

BALLENGER CREEK PI

Good

Over: BR OF TUSCARORA CREEK

SOUTH OF CAP STINE RD INT, Frederick, MD

Built 2009 Load: 48.1 t ADT: 1,797

LENHART ROAD

Good

Over: FISHING CREEK

0.25 M N DEVILBLISS BR RD, Frederick, MD

Built 1980 Load: 48.1 t ADT: 213

MD 194

Good

Over: LITTLE PIPE CREEK

ON CARROLL CO LINE, Frederick, MD

Built 1953 Load: 48.3 t ADT: 4,425

IS 70 EBR

Good

Over: MONOCACY RIVER

0.22 M S OF BR NO 1018400, Frederick, MD

Built 1985 Load: 48.5 t ADT: 72,900

IS 70 WBR

Good

Over: MONOCACY RIVER

0.22 M S OF BR NO 1018400, Frederick, MD

Built 1985 Load: 48.5 t ADT: 72,900

COXEY BROWN ROAD

Good

Over: LITTLE CATOCTIN CREEK

AT HARMONY RD INT, Frederick, MD

Built 1983 Load: 49.9 t ADT: 517

MONUMENT ROAD

Good

Over: GRINDSTONE RUN

0.75 MI WEST OF MD RTE 17, Frederick, MD

Built 1982 Load: 50.3 t ADT: 421

PARKING LOT ROAD

Good

Over: BLUE BLAZES CREEK

US-15N, WEST ON MC-77 TO, Frederick, MD

Built 2019 Load: 50.8 t ADT: 20

BIDLE ROAD

Good

Over: CATOCTIN CREEK

0.5 MI SOUTH OF ALT US 40, Frederick, MD

Built 2009 Load: 51.2 t ADT: 650

SIXES ROAD

Good

Over: TOMS CREEK

0.4 MI SOUTH OF GRIMES RD, Frederick, MD

Built 2006 Load: 51.2 t ADT: 60

ALLEN LINTON BLVD

Good

Over: TRIBUTARY OF BALLENGER C

W OF BALLENGER CREEK PIKE, Frederick, MD

Built 2008 Load: 51.2 t ADT: 585

MONOCACY BOULEVARD

Good

Over: US 15

1 MI N OF MD 26, Frederick, MD

Built 2018 Load: 52.5 t ADT: 5,800

MD 26

Good

Over: MONOCACY RIVER

0.2 MILE WEST OF MD 194, Frederick, MD

Built 1997 Load: 55.3 t ADT: 16,275

PICNIC WOODS ROAD

Good

Over: MIDDLE CREEK

0.6 MI S OF BIDLE ROAD, Frederick, MD

Built 1974 Load: 55.8 t ADT: 278

MD 140

Good

Over: CATTAIL BRANCH

0.74 MI N OF CARROLL CO, Frederick, MD

Built 1987 Load: 56.2 t ADT: 4,001

US 15 SB

Good

Over: TUSCARORA CREEK

1/4 MI. N. OF MONOCACY BL, Frederick, MD

Built 1950 Load: 56.7 t ADT: 45,700

MOUNTVILLE ROAD

Good

Over: TUSCARORA CREEK

0.19 MI NE OF ADAMSTOWN R, Frederick, MD

Built 1989 Load: 57.1 t ADT: 3,284

S. COURT STREET

Good

Over: CARROLL CREEK

595' SOUTH OF MD 144, Frederick, MD

Built 1988 Load: 57.1 t ADT: 8,370

MONOCACY BOULEVARD

Good

Over: CARROLL CREEK

0.1 MI S OF E CHURCH ST, Frederick, MD

Built 2012 Load: 57.1 t ADT: 16,392

US 15 NBR

Good

Over: TUSCARORA CREEK

1/4 MI. N. OF MONOCACY BL, Frederick, MD

Built 1972 Load: 57.6 t ADT: 45,700

ARNOLDTOWN ROAD

Good

Over: TRIB. OF BROAD RUN

0.4 MI W OF PICNIC WOODS, Frederick, MD

Built 1984 Load: 58.0 t ADT: 407

SINGLETON DRIVE

Good

Over: TRIB OF PETER PAN RUN

EAST OF ADDISON WOODS RD, Frederick, MD

Built 1999 Load: 58.5 t ADT: 600

TALBOT RUN ROAD

Good

Over: TALBOT BRANCH

0.25 MI E OF WOODVILLE RD, Frederick, MD

Built 1979 Load: 58.5 t ADT: 215

MD 180 EASTBOUND

Good

Over: US 15

0.49 MILE EAST OF IS 70, Frederick, MD

Built 2020 Load: 59.0 t ADT: 27,750

OLD FREDERICK ROAD

Good

Over: FISHING CREEK

AT UTICA RD INT, Frederick, MD

Built 1954 Load: 60.3 t ADT: 3,332

GLISSANS MILL RD

Good

Over: SOUTH FORK LINGANORE CRK

0.1 MI W OF EMERS BURR RD, Frederick, MD

Built 1983 Load: 60.8 t ADT: 884

TERRA FIRMA ROAD

Good

Over: LONG BRANCH

AT MD 144, Frederick, MD

Built 2006 Load: 60.8 t ADT: 3,143

WALTER MARTZ ROAD

Good

Over: LITTLE TUSCARORA CREEK

0.3 MI N OF POOLE JONES R, Frederick, MD

Built 2012 Load: 60.8 t ADT: 4,173

ROY SHAFER ROAD

Good

Over: CONE BRANCH

0.37 MI N OF BRDG 0306, Frederick, MD

Built 1982 Load: 61.7 t ADT: 105

ARTIE KEMP ROAD

Good

Over: TOWN BRANCH

0.2 MI WEST OF MD 75, Frederick, MD

Built 1982 Load: 63.5 t ADT: 311

THURSTON ROAD

Good

Over: LITTLE BENNETT CREEK

1.8 MI S OF PETERS RD, Frederick, MD

Built 1986 Load: 64.9 t ADT: 478

Related

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