Frederick County, MD

491 public highway bridges

Frederick County Bridge Snapshot

According to the Federal Highway Administration's 2024 National Bridge Inventory, Frederick County, Maryland contains 491 public highway bridges. Roughly 38.9% are rated “Good,” 40.3% “Fair,” and 2.6% “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.

491
Total Bridges
38.9%
Good
40.3%
Fair
2.6%
Poor Condition

Condition Distribution

Good
38.9% (191)
Fair
40.3% (198)
Poor
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
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.