Total Bridges
5,527
Public highway bridges in Maryland
State profile · Below median Poor share
Condition ratings, load ratings, and Poor-condition data for every public highway bridge in Maryland, based on the FHWA National Bridge Inventory.
Data updated May 2026
Total Bridges
5,527
Public highway bridges in Maryland
Good Condition
25.9%
1,432 bridges rated 7-9
-24.1pp vs 50% benchmark
Poor Condition
4.3%
236 bridges whose lowest applicable component is rated 0-4
-2.7pp vs national avg 7.0%
Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).
Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.
Adjacent states by Poor-condition share (lower share = better)
States are ranked by the share of bridges whose lowest applicable component rating is 4 or below. This describes recorded condition; it does not measure funding effectiveness or live crossing safety. States here sit immediately above and below Maryland on the same metric.
CT
TN
MD
CO
OR
Six lowest-condition bridges in Maryland, ranked by the portal's composite display score. Inspection intervals are risk-based under current NBIS rules.
Over: BEAR CREEK
0.01 MI N OF WALNUT ST, Garrett, MD
Over: HAWLINGS RIVER
2.8 MILES NORTH OF MD 108, Montgomery, MD
Over: BEAVER CREEK
0.1 MI W OF ALT US RTE 40, Washington, MD
Over: WATERSPOUT RUN
2.63 MI. WEST MD 25, Baltimore, MD
Over: CSX RAILROAD
0.1 MI NW OF US RTE 40, Baltimore, MD
Over: LITTLE PATUXENT RIVER
0.5 MI W OF US RTE 29, Howard, MD
Over: LONG MARSH DITCH
1.6 MI S OF MD 302, Caroline, MD
Over: PINEY BRANCH
3 MILES NORTH OF MD 404, Caroline, MD
Over: LONG MARSH DITCH
2 MILES EAST OF MD 313, Caroline, MD
Over: LITTLE MORGAN RUN
1.05 MI N OF BUSHEY RD, Carroll, MD
Over: PINEY RUN
0.40 MI SOUTH OF MD 26, Carroll, MD
Over: UNNAMED STREAM
75 FT. S. OLD WEST. PIKE, Carroll, MD
Over: TRIB TO JORDAN SWAMP
.14 MILE SOUTH OF MD 5 BU, Charles, MD
Over: UNNAMED TRIBUTARY
0.3 MI S OF SMALLWOOD DR, Charles, MD
Over: UNNAMED TRIBUTARY
0.24 MI E OF MIDDLETOWN, Charles, MD
Over: WETLANDS
.4 MI N OF BILLINGSLEY RD, Charles, MD
Over: TRIBUTARY TO PINEY BRANC
1.5 MI NW of US301-MD228, Charles, MD
Over: MIDDLETOWN BRANCH
4.45 MI SE OF US RTE 50, Dorchester, MD
Over: HIGGINS MILLPOND
0.77 MI W OF US RTE 50, Dorchester, MD
Over: DRY RUN
3.10 MI S OF WASH CO, Frederick, MD
Over: TUSCARORA CREEK
0.53 MI S OF MD RTE 28, Frederick, MD
Over: BR OF TUSCARORA CREEK
AT HOWARD STUP RD INTER, Frederick, MD
Over: TRIBUTARY OF TUSCARORA C
0.1 MI E OF MOUNTVILLE RD, Frederick, MD
Over: TUSCARORA CREEK
0.1 MI SOUTH OF WILLOW RD, Frederick, MD
Over: KING BRANCH
.5 MI. WEST OF NEW DESIGN, Frederick, MD
Over: ARUNDEL BRANCH
0.25 MI W OF NEW DESIGN R, Frederick, MD
Over: ARUNDEL BRANCH
.2 MI E. OF NEW DESIGN RD, Frederick, MD
Over: PIKE BRANCH
0.39 MI EAST OF BALLENGER, Frederick, MD
Over: PIKE BRANCH
0.40 MI EAST OF BALLENGER, Frederick, MD
Over: SANDY RUN
2.5 MILES EAST OF US 15, Frederick, MD
Over: LITTLE HUNTING CREEK
0.37 MI S OF BLACKS MILL, Frederick, MD
Over: FLAT RUN
0.8 MI NORTH OF EMMITSBRG, Frederick, MD
Over: MIDDLE CREEK
AT BRANDENBURG HOLLOW RD, Frederick, MD
Over: FAHRNEY BRANCH
1.0 MI S OF MD RTE. 80, Frederick, MD
Over: TOWN BRANCH
0.1 MILE WEST OF MD 75, Frederick, MD
Over: LONG BRANCH
AT MD 144 INTERSECTION, Frederick, MD
Over: LONG BRANCH
JUST NORTH OF MD 144, Frederick, MD
Over: BRANCH OF FRIENDS CREEK
175' FROM MD RTE 550, Frederick, MD
Over: ISRAEL CREEK
0.25 MI N OF COPPERMINE R, Frederick, MD
Over: LANDER BRANCH
0.75 MI W OF MD RTE 464, Frederick, MD
Over: LEWIS MILL BRANCH
1.62 MI N OF MD RTE 180, Frederick, MD
Over: LITTLE OWENS CREEK
AT SMITH ROAD INTERSECTN, Frederick, MD
Over: LITTLE CATOCTIN CREEK
JUST EAST OF EASTERDAY RD, Frederick, MD
Over: LITTLE CATOCTIN CREEK
1.25 MI N OF US RTE 40, Frederick, MD
Over: GRINDSTONE RUN
0.87 MI WEST OF MD 17, Frederick, MD
Over: TRIB. OF CATOCTIN CREEK
0.2 MI N OF MILT SUMMERS, Frederick, MD
Over: GRINDSTONE RUN
1.35 MI WEST OF MD 17, Frederick, MD
Over: BEAVER DAM CREEK
AT WACHTER RD INTERSECTN, Frederick, MD
Over: BEAVER DAM CREEK
AT WACHTER RD INTERSECTN, Frederick, MD
Over: SOUTH FORK LINGANORE CRK
0.5 MI S OF HARRISVILLE R, Frederick, MD
Over: MIDDLE CREEK
0.2 MI N OF BIDLE ROAD, Frederick, MD
Over: BROAD RUN
0.5 MI N OF MD RTE 17, Frederick, MD
Over: BROAD RUN
0.4 MI S OF MD RTE 17, Frederick, MD
Over: TUSCARORA CREEK
0.2 MI NE OF MANOR WOODS, Frederick, MD
Over: TRIBUTARY OF RENN
0.3 MI NORTH OF MD RT 180, Frederick, MD
Over: BALLENGER CREEK
1 MI. SW OF OLD CAMP ROAD, Frederick, MD
Showing 5,151-5,200 of 5,527 bridges
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). Poor condition is an inspection-record category, not a closure or unsafe-to-cross designation. Consult the bridge owner for current status.
Understanding Bridge Conditions
How FHWA rates bridge condition on a 0-9 scale.
Check Your Daily Bridges
How to look up bridge condition data for bridges on your route.
Read our methodology — how this data is sourced, computed, and verified.
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.