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)
MD 26
FairOver: BRANCH OF LINGANORE CREE
0.58 M W ALBAUGH ROAD, Frederick, MD
MD 550
FairOver: FRIENDS CREEK
0.15 M S OF BENTZEL ROAD, Frederick, MD
LEGORE BRIDGE ROAD
FairOver: MONOCACY RIVER
3 MI N OF WOODSBORO, Frederick, MD
PARK MILLS ROAD
FairOver: BENNETT CREEK
2.75 MI SOUTH OF MD 80, Frederick, MD
KEY PARKWAY
FairOver: ROCK CREEK
500' W OF WILLOWDALE DR., Frederick, MD
COLLEGE AVENUE
FairOver: CARROLL CREEK FLOODPLAIN
0.2 MI NORTH OF MD 144, Frederick, MD
NORTH McCAIN DRIVE
FairOver: ROCK CREEK
0.2 MI. NORTH OF US 40, Frederick, MD
CHRISTOPHERS CROSS
FairOver: EDISON BRANCH
2.7 MI. WEST OF US 15, Frederick, MD
HAYWARD ROAD
FairOver: OPOSSUM BRANCH
0.7 MILES WEST OF US 15, Frederick, MD
TUSCANNEY DRIVE
FairOver: EDISON BRANCH
1.3 MI WEST OF US 15, Frederick, MD
BIGGS FORD ROAD
FairOver: DUBLIN BRANCH
1.5 MI E OF US RTE 15, Frederick, MD
MD 75
FairOver: BUSH CREEK
.65 MILE SOUTH OF MD 75FB, Frederick, MD
LIMESTONE LANE
FairOver: BR OF HOLLOW CREEK
AT BEECHTREE LANE INTERSC, Frederick, MD
MD 85
FairOver: ROCKY FOUNTAIN RUN
0.03 MILE NORTH OF MD 880, Frederick, MD
IS 270
FairOver: CSX TRANSPORTATION
1.0 MILE SOUTH OF MD 85, Frederick, MD
MD 75
FairOver: FAHRNEY BRANCH
0.43 MILE SOUTH OF MD 80, Frederick, MD
MD 144FA
FairOver: MONOCACY RIVER
1.04 MILE EAST OF IS 70, Frederick, MD
MD 77
FairOver: BR OF HUNTING CREEK
2.72 MI E OF WASH CO, Frederick, MD
ANNANDALE ROAD
FairOver: TOMS CREEK
0.62 MI W OF EMMITSBURG, Frederick, MD
ARNOLDTOWN ROAD
FairOver: BROAD RUN
0.2 MI N PICNIC WOODS RD, Frederick, MD
WWTP ROAD
FairOver: CARROLL CREEK
1.8 MI EAST OF MD 355, Frederick, MD
W. COLLEGE TERRACE
FairOver: CARROLL CREEK
0.2 MI NORTH OF MD 144, Frederick, MD
US 40
FairOver: TRIB TO HAWBOTTOM BRANCH
0.29 MI E OF HOLLOW ROAD, Frederick, MD
DOUBS ROAD
FairOver: TUSCARORA CREEK
1.23 MI W OF NEW DESIGN R, Frederick, MD
MD 75
FairOver: LINGANORE CREEK
0.73 MI N OF MD 75FC, Frederick, MD
SOUTH MARKET STREE
FairOver: CARROLL CREEK
510' SOUTH OF MD 144, Frederick, MD
MD 77
FairOver: OWENS CREEK
0.02 MI W OF FRUSHOUR RD, Frederick, MD
MD 180
FairOver: CATOCTIN CREEK
0.55 MILE EAST OF MD 872, Frederick, MD
ROY SHAFER ROAD
FairOver: CONE BRANCH
AT BENNIES HILL RD INT, Frederick, MD
POFFENBERGER ROAD
FairOver: LEWIS MILL BRANCH
0.75 MI W OF OLD MIDDLETO, Frederick, MD
YELLOW SPRINGS ROA
FairOver: LITTLE TUSCARORA CREEK
0.1 MI N WALTER MARTZ RD, Frederick, MD
DEVILBISS BRIDGE R
FairOver: MONOCACY RIVER
0.6 MI W OF DUBLIN RD, Frederick, MD
PARK ACCESS ROAD
FairOver: STREAM
0.15 MILES FROM MD ROUTE, Frederick, MD
PARK MILLS ROAD
FairOver: MONOCACY RIVER
1 MI N OF MD RTE 28, Frederick, MD
LONGS MILL ROAD
FairOver: OWENS CREEK
1.8 MI E OF MD 550, Frederick, MD
HARNEY ROAD
FairOver: MIDDLE CREEK
1.12 MI E OF EMMITSBURG, Frederick, MD
MD 806A
FairOver: LITTLE HUNTING CREEK
0.84 MILE NORTH OF US 15, Frederick, MD
MD 80
FairOver: MONOCACY RIVER
0.08 MILE EAST OF MD 880, Frederick, MD
US 15 SB
FairOver: FLAT RUN
0.2 MILE SOUTH OF MD 140, Frederick, MD
US 15 SB
FairOver: LITTLE OWENS CREEK
1.74 MILE NORTH OF MD 550, Frederick, MD
PLEASANT VIEW RD
FairOver: TUSCARORA CREEK
1.14 MI N OF MD RTE 28, Frederick, MD
MD 17
FairOver: LITTLE CATOCTIN CREEK
0.03 MI N OF HARMONY RD, Frederick, MD
LINGANORE ROAD
FairOver: LINGANORE CREEK
0.87 MI N OF MD 144, Frederick, MD
UNIONVILLE ROAD
FairOver: TRIB. OF LINGANORE CREEK
AT WOODVILLE RD INT, Frederick, MD
DEVILBISS BRIDGE R
FairOver: FISHING CREEK
0.75 MI W OF DUBLIN RD, Frederick, MD
CREAMERY ROAD
FairOver: BRANCH OF FLAT RUN
0.1 MI S OF E MAIN STREET, Frederick, MD
MD 26
FairOver: MONOCACY RIVER
0.2 MILE WEST OF MD 194, Frederick, MD
COLLEGE AVENUE
FairOver: CARROLL CREEK
790' NORTH OF MD 144, Frederick, MD
MONOCACY BOULEVARD
FairOver: MONOCACY RIVER
0.1 MI SOUTH OF GAS HOUSE, Frederick, MD
LILY PONS ROAD
FairOver: MONOCACY RIVER
1 MI E OF MD RTE 85, 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.