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.
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
| Publisher | Kiznis Studio |
| Sources | FHWA National Bridge Inventory, public U.S. government datasets |