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: LITTLE SENECA LAKE
0.39 MILE NORTH OF MD 117, Montgomery, MD
Over: Clara Barton Parkway EB
0.34 MILE EAST OF VA LINE, Montgomery, MD
Over: CEDAR LANE
0.65 MILE EAST OF MD 355, Montgomery, MD
Over: ROCK CREEK
0.1 MI S FORSYTHE AVENUE, Montgomery, MD
Over: TRIBUTARY TO SLIGO CREEK
825 FEET EAST OF MD 97, Montgomery, MD
Over: WILLET BRANCH
0.1 MI N DORSET AVE, Montgomery, MD
Over: SLIGO CREEK
0.28 MI SE OF MONT CO, Montgomery, MD
Over: BRIER DITCH
0.11 MI N OF SARVIS AVE, Prince George's, MD
Over: WESTERN BRANCH
0.79 MILE NORTH OF MD 193, Prince George's, MD
Over: PAINT BRANCH
1.11 M E OF MONT CO LINE, Prince George's, MD
Over: HENSON CREEK
0.35 MI N OF FERGUSON LA, Prince George's, MD
Over: REHOBETH BRANCH
0.3 MI S OF REHOBETH ROAD, Somerset, MD
Over: BRANCH JARBOESVILLE RUN
.8 MI CHANCELLORS RUN RD, St. Mary's, MD
Over: TRIB TO LIT ANTIETAM CRK
0.70 MILE WEST OF US 40AL, Washington, MD
Over: ANTIETAM CREEK
2.65 MI SE OF MD RTE 65, Washington, MD
Over: AYERS CREEK
0.71 MILE WEST OF MD 611, Worcester, MD
Over: EVITTS CREEK
0.21 M E OF BR NO 0109900, Allegany, MD
Over: AMTRAK, STONY RUN
0.14 MI S OF IS 195, Anne Arundel, MD
Over: SAWMILL CREEK
0.2 MI W OF MD 3, Anne Arundel, MD
Over: LOWER LEVEL ROADWAY
BWI AIRPORT, Anne Arundel, MD
Over: LITTLE GUNPOWDER FALLS
ON HARFORD CO LINE, Baltimore, MD
Over: SLADE RUN
3.05 MI E OF MD 30, Baltimore, MD
Over: JONES FALLS
0.02 MI W OF MD 25, Baltimore, MD
Over: GWYNNS FALLS
0.03 MI S OF MD 400, Baltimore, MD
Over: THE NARROWS
ON SOLOMONS ISLAND, Calvert, MD
Over: CONE BRANCH
AT BENNIES HILL RD INT, Frederick, MD
Over: LEWIS MILL BRANCH
0.75 MI W OF OLD MIDDLETO, Frederick, MD
Over: LITTLE DEER CREEK
2.35 MILES SOUTH OF MD 24, Harford, MD
Over: BYNUM RUN
0.5 MILES NE OF MD 24, Harford, MD
Over: EAST BRANCH/WINTERS RUN
0.01 M W OF PHILLIPS M RD, Harford, MD
Over: MORGAN CREEK
0.8 MI SE OF MD RTE 213, Kent, MD
Over: NORTHWEST BRANCH
0.05 MILE SOUTH OF MD 650, Prince George's, MD
Over: POTOMAC RIVER
ON VIRGINIA LINE, Prince George's, MD
Over: SOUTHEAST CREEK
0.1 MILE SOUTH OF MD 19, Queen Anne's, MD
Over: POCOMOKE RIVER
0.19 MILES EAST OF MD 354, Worcester, MD
Over: POTOMAC RIVER
ON WEST VIRGINIA LINE, Allegany, MD
Over: TRACEYS CREEK
1.73 MI W OF MD 258, Anne Arundel, MD
Over: BELL BRANCH
1.2 MI EAST OF RTE 424, Anne Arundel, MD
Over: JONES FALLS
0.06 MILE SOUTH OF MD 133, Baltimore, MD
Over: STEMMERS RUN
0.39 MILES EAST OF I-695, Baltimore, MD
Over: WEST BRANCH OF HERBERT R
0.06 MI W OF OREGON AVE, Baltimore, MD
Over: REISTERSTOWN ROAD (MD 14
0.4 MI NW OF OWINGS MILLS, Baltimore, MD
Over: CONRAIL YARD
Milepost M56.9, Baltimore city, MD
Over: CHEMICAL ROAD
0.02 MI N OF MD RTE 173, Baltimore city, MD
Over: HUNTING CREEK
.086 MILE NORTH OF MD 263, Calvert, MD
Over: HALL CREEK
0.32 MILE EAST OF MD 778, Calvert, MD
Over: LITTLE PIPE CREEK
0.18 MI S OF UNION BRIDGE, Carroll, MD
Over: LITTLE NORTHEAST CREEK
0.65 MILE EAST OF MD 272, Cecil, MD
Over: LITTLE NORTHEAST CREEK
0.65 MILE EAST OF MD 272, Cecil, MD
Over: AMTRAK
0.17 MILE EAST OF MD 7B, Cecil, MD
Showing 2,251-2,300 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.