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)
BETHEL ROAD
FairOver: FISHING CREEK
AT FISH HATCHERY RD INT, Frederick, MD
PROVINCIAL PARKWAY
FairOver: FLAT RUN
AT N SETON AVE INTERSECTN, Frederick, MD
MD 140
FairOver: MIDDLE CREEK
0.72 MI S OF MD 904G, Frederick, MD
MD 28
FairOver: BR OF POTOMAC RIVER
0.58 MI E OF ROCK HALL RD, Frederick, MD
US 40 WBR
FairOver: ROCK CREEK
0.01 M E OF ROCK CREEK DR, Frederick, MD
MILL ISLAND PKWY
FairOver: TUSCARORA CREEK
0.9 MI. NORTH OF MD 26, Frederick, MD
MD 180
FairOver: LITTLE CATOCTIN CREEK
1.31 MILES WEST OF MD 79, Frederick, MD
MD 180 WESTBOUND
FairOver: US 15
0.49 MILE EAST OF IS 70, Frederick, MD
IS 270
FairOver: MONOCACY RIVER
1.32 MILE SOUTH OF MD 85, Frederick, MD
MD 85
FairOver: BALLENGER CREEK
1.3 MILES SOUTH OF IS 270, Frederick, MD
REICHS FORD ROAD
FairOver: MONOCACY RIVER
1.5 MILES SOUTH OF I-70, Frederick, MD
LINKS BRIDGE ROAD
FairOver: MONOCACY RIVER
0.18 MI W OF DUBLIN ROAD, Frederick, MD
ROCKY RIDGE ROAD (
FairOver: MONOCACY RIVER
1.3 MI W OF CARROLL CO, Frederick, MD
N. BENTZ STREET
FairOver: CARROLL CREEK
365' NORTH OF MD 144, Frederick, MD
IS 70 EB
FairOver: CSX TRANS.
.09 M E OF BILL MOXLEY RD, Frederick, MD
IS 270 NB
FairOver: BENNETT CREEK
1.26 MI. N. OF MD 80, Frederick, MD
IS 270 SB
FairOver: BENNETT CREEK
1.26 MI. N. OF MD 80, Frederick, MD
IS 70 WB
FairOver: CSX TRANS.
.09 M E OF BILL MOXLEY RD, Frederick, MD
IS 270
FairOver: BRANCH OF BENNETT CREEK
0.21 M S OF BR NO 1017900, Frederick, MD
IJAMSVILLE ROAD
FairOver: BUSH CREEK
1.2 MI N OF MD RTE 80, Frederick, MD
MD 77
FairOver: HUNTING CREEK
0.29 MILE WEST OF US 15, Frederick, MD
US 15 NBR
FairOver: TOMS CREEK
0.65 MILE N OF US 15BU, Frederick, MD
MD 75
FairOver: BENNETT CREEK
1.62 MILES N OF MD 355, Frederick, MD
TIMMONS ROAD
FairOver: LINGANORE CREEK
AT GLISSANS MILL RD INT, Frederick, MD
OLD FREDERICK ROAD
FairOver: HUNTING CREEK
1.5 MILES SOUTH OF MD 550, Frederick, MD
MD 806A
FairOver: HIGH RUN
0.41 MILE NORTH OF US 15G, Frederick, MD
STOTTLEMYER ROAD
FairOver: MIDDLE CREEK
0.1 MI NE OF MD 17, Frederick, MD
PETERSVILLE ROAD
FairOver: LITTLE CATOCTIN CREEK
0.61 MI N OF MD 871G, Frederick, MD
IS 70 EBR
FairOver: CATOCTIN CREEK
0.60 MILE EAST OF MD 17, Frederick, MD
IS 70 WB
FairOver: CATOCTIN CREEK
0.60 MILE EAST OF MD 17, Frederick, MD
ALBERT STAUB ROAD
FairOver: OWENS CREEK
0.5 M N OF EYLER ROAD, Frederick, MD
MT EPHRAIM ROAD
FairOver: BENNETT CREEK
0.37 MI S OF PARK MILLS R, Frederick, MD
US 15
FairOver: OWENS CREEK
0.6 MILE NORTH OF MD 550, Frederick, MD
MD 17
FairOver: MIDDLE CREEK
1.64 MILES N0RTH OF US 40, Frederick, MD
SUGARLOAF MTN RD
FairOver: BR OF BENNETT CREEK
0.12 MI S OF THURSTON RD, Frederick, MD
THURSTON ROAD
FairOver: BENNETT CREEK
0.75 MI S OF PETERS RD, Frederick, MD
FOXVLLE DEERFIELD
FairOver: OWENS CREEK
0.25 MI NW OF MD 550, Frederick, MD
US 15 NBR
FairOver: LITTLE OWENS CREEK
1.74 MILE NORTH OF MD 550, Frederick, MD
S. CARROLL STREET
FairOver: CARROLL CREEK
470' SOUTH OF SR 144, Frederick, MD
MD 77
FairOver: HUNTING CREEK
1.15 M W OF PRYOR ROAD, Frederick, MD
US 15 RAMP 'J'
FairOver: HUNTING CREEK
0.03 MI S OF MD 77, Frederick, MD
MOUNTAINDALE ROAD
FairOver: FISHING CREEK
AT PUTNAM RD INT, Frederick, MD
MOUNTAINDALE ROAD
FairOver: LITTLE FISHING CREEK
0.1 MI W OF GAMBRILL PARK, Frederick, MD
LILY PONS ROAD
FairOver: SMALL STREAM
0.1 MI EAST OF MD RTE 85, Frederick, MD
SUNDAYS LANE
FairOver: TUSCARORA CREEK
0.25 MI E OPOSSUMTOWN PIK, Frederick, MD
US 40
FairOver: LITTLE CATOCTIN CREEK
0.2 M E OF HARMONY ROAD, Frederick, MD
DAYSVILLE ROAD
FairOver: ISRAEL CREEK
0.5 MI E OF MD RTE 194, Frederick, MD
CRUM ROAD
FairOver: ISRAEL CREEK
0.5 MI S OF WALKERSVILLE, Frederick, MD
US 15
FairOver: MARYLAND MIDLAND RR
0.26 MILE SOUTH OF MD 550, Frederick, MD
MILT SUMMERS ROAD
FairOver: GRINDSTONE RUN
0.13 MILES WEST OF MD 17, Frederick, MD
Read our methodology - how this data is sourced, computed, and verified.
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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.