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.
Condition Distribution
All Bridges (491)
GRIMES ROAD
FairOver: TOMS CREEK
0.5 MILES S OF SIXES ROAD, Frederick, MD
SIMPSONS MILL ROAD
FairOver: LITTLE PIPE CREEK
1.12 MI N OF GOOD INTENT, Frederick, MD
SIXES BRIDGE ROAD
FairOver: MONOCACY RIVER
2.5 MI S OF KEYSVILLE RD, Frederick, MD
MD 17
FairOver: CATOCTIN CREEK
0.6 M S OF MAERK ROAD, Frederick, MD
MD 17
FairOver: CATOCTIN CREEK
0.6 MILE SOUTH OF IS 70, Frederick, MD
US 15
FairOver: POTOMAC RIVER, CSX, C&O
POINT OF ROCKS, Frederick, MD
MD 17
FairOver: MIDDLE CREEK
1.13 MILES N OF MD 383, Frederick, MD
US 40 ALT
FairOver: CATOCTIN CREEK
0.05 M E OF MARKER ROAD, Frederick, MD
MD 75
FairOver: PLEASANT BRANCH
1.71 MILES N OF MD 355, Frederick, MD
US 15 NBR
FairOver: FISHING CREEK
0.07 MI N OF POWELL RD, Frederick, MD
DOLLYHYDE ROAD
FairOver: NORTH FORK LINGANORE CRK
0.6 MI N OF EMERS BURR RD, Frederick, MD
POINT OF ROCKS ROA
FairOver: C&O CANAL
0.3 MILES FROM POTOMAC RI, Frederick, MD
MD 144FA & CO RD
FairOver: LONG BRANCH
0.504 M W OF CAR. CO LINE, Frederick, MD
MD 383
FairOver: CATOCTIN CREEK
1.52 MILES N OF MD 180, Frederick, MD
UTICA ROAD
FairOver: FISHING CREEK
0.12 MI W OLD FREDERICK R, Frederick, MD
MD 355
FairOver: MONOCACY RIVER
2.29 MILES SOUTH OF MD 85, Frederick, MD
MD 17
FairOver: CSX TRANS., POTOMAC, MUN
ON VIRGINIA LINE, Frederick, MD
FRIENDS CREEK ROAD
FairOver: FRIENDS CREEK
1.5 MI NE OF EYLER VALLEY, Frederick, MD
ROAD
FairOver: OWENS CREEK
Take Hwy 77 3 miles west,, Frederick, MD
MD 550
FairOver: DORCUS BRANCH
0.74 MILE SOUTH OF MD 194, Frederick, MD
US 340
FairOver: CATOCTIN CREEK
0.63 MILE EAST OF MD 180, Frederick, MD
PRIVATE LANE
FairOver: FISHING CREEK
200' W OF MOUNTAINDALE RD, Frederick, MD
MD 478
FairOver: BR OF POTOMAC RIVER
0.23 MILE EAST OF MD 180, Frederick, MD
BULLFROG ROAD
FairOver: MONOCACY RIVER
0.6 MI S OF BOLLINGER SCL, Frederick, MD
WOODVILLE ROAD
FairOver: TALBOT BRANCH
AT TALBOT RUN RD INTERSEC, Frederick, MD
OLD FREDERICK ROAD
FairOver: OWENS CREEK
0.3 MI S OF MD RTE 77, Frederick, MD
HESSONG BRIDGE RD
FairOver: LITTLE HUNTING CREEK
AT BLACKS MILL RD INT, Frederick, MD
NORMAN BALM ENTRAN
FairOver: ABANDONED RR
0.1MI NW OF 1728 N MARKET, Frederick, MD
HARBAUGH VALLEY RO
FairOver: BRANCH OF FRIENDS CREEK
0.15 MI NE OF MD RTE 550, Frederick, MD
DOGWOOD DRIVE
FairOver: TRIBUTARY NO. 8
0.7 MI EAST OF MD 355, Frederick, MD
US 40
FairOver: BRANCH OF ROCK CREEK
.036 MILE EAST OF US 40AL, Frederick, MD
UNIONVILLE ROAD
FairOver: WELDON CREEK
AT BLACK ANKLE RD INT, Frederick, MD
US 40
FairOver: CATOCTIN CREEK
0.17 MILE WEST OF MD 17, Frederick, MD
MD 77
FairOver: BEAVER BRANCH
0.63 MILE WEST OF MD 76, Frederick, MD
IS 70
FairOver: BUSH CREEK
0.84 MILE EAST OF MD 75, Frederick, MD
MD 26
FairOver: DOLLYHYDE CREEK
0.34 MILE EAST OF MD 31, Frederick, MD
MONTEVUE LANE
FairOver: CARROLL CREEK
1.1 MI. W OF US 15, Frederick, MD
MD 180
FairOver: BALLENGER CREEK
1.74 MILES WEST OF IS 70, Frederick, MD
MD 550
FairOver: MONOCACY RIVER
2.68 MILES N OF MD 194, Frederick, MD
MD 28
FairOver: MONOCACY RIVER
0.98 MI W OF MONT CO, Frederick, MD
BIGGS FORD ROAD
FairOver: MONOCACY RIVER
0.55 MI E OF US RTE 15, Frederick, MD
MD 28
FairOver: TUSCARORA CREEK
1.85 MILES WEST OF MD 85, Frederick, MD
US 15
FairOver: LITTLE HUNTING CREEK
.87 MILE NORTH OF MD 806A, Frederick, MD
US 40
FairOver: MIDDLE CREEK
0.12 MILE EAST OF MD 17, Frederick, MD
US 15 SBR
FairOver: FISHING CREEK
0.07 MI N OF POWELL RD, Frederick, MD
US 15 SB
FairOver: TOMS CREEK
0.65 MILE N OF US 15BU, Frederick, MD
US 40 MEDIAN CROSS
FairOver: ROCK CREEK
0.28 M W OF BOWERS ROAD, Frederick, MD
US 15/340
FairOver: BALLENGER CREEK
1.95 MILES SOUTH OF IS 70, Frederick, MD
MD 75
FairOver: BENS BRANCH
0.19 MI S OF MD 874C, Frederick, MD
MD 26
FairOver: LINGANORE CREEK
0.22 M W OF BR NO 1016800, Frederick, MD
Read our methodology - how this data is sourced, computed, and verified.
Related
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.